If you are interested in topic: earn online money by typing keyboarding games you should read about Bucksflooder first, OK, Daniel My Chinese 50cc 4 stroke scooter already hauls ass Sort of. If you are looking to enhance your scooter enter our store and find all the components of the highest quality for your model at the best price. For example, mufflers for 50cc scooters can be installed on any 50cc scooters. Mhm normally this sounds like a carb adjustment issue (too big mainjet), but since you run the stock carb it should rather be too lean (too small jet). They come with a speed restricted engine that lets you touch a maximum of 30mph or 48kmph. You will be happy to hear that I am currently working on the relaunch of Tuningmatters.com. Try 1-2grams lighter ones. What would you recommend for me to just tuned it up a little bit more.? Some allow riding a scooter without a drivers license and others have multiple different licenses for various engine sizes. Tho, you need special hardware to do this, like a dremel and grinders. We're always willing to return your call if you have questions. I have a 98 Yamaha that is dangerously slow going up any sort of hill. We must be very careful since it is possible that, by modifying the injection and the engine map, the emissions generated by the engine are higher and we do not comply with environmental regulations. Hi, I have a friend who just unplugged the cdi( black box in battery area if the name is wrong) and just uses his kick start and it worked for him, will this work for all models or only certain ones. Pretty sure it has the blind pipe on it. All-in-all. hi david i live in pakistan and have a yamaha junoon yd 100 and its cdi has gone faulty.the original is 1.too expensive 2.not availble any where near to me 3.its quality is not good as compared to the original one that came with the bike so it will probs go faulty again.what im thinking is of installing cg 125s cdi and coil with my own bikenow what i wanted to know is what are the disadvantages of having too much spark in the spark plug.i mean im installing a heavy cdi in place of original one, Hi I have this 50cc Pocket bike Im a person that loves to go fast. If there is no distance ring between the two vario plates and the belt does not reach the top, this could have several reasons. Not sure if this cost-per-part-to-solder issue is true for simpler devices, though. The safest way to block the crankshaft is to buy the special blocking tool. We recommend that you carefully evaluate your case and needs before making any modifications and, above all, that you purchase high quality components with European homologation. This is probably somewhere around 7-800rpm. by removing it or even simply filing the nylon part away i found the carb butterfly opened fully and not half way as previously. 2ndly do you know of any other restrictions? Is the rev increasing then? Thus, look for the usual Minarelli restrictions and get an unrestricted CDI! Are there other easy mods that would give me the same results? Hi G, Sorry only now saw your comment. How you install the windshield depends on which windshield you choose, but usually it involves removing the aesthetic panelling on the front of the handlebars and attaching the shield to the bolt holes that once held that panelling in place. the variator ring actually damage the variator over time. You will be getting the same kind of power that you would typically get from a 2-stroke 50cc motor. Does anyone know what restrictions are on the Lexmoto vienna 50cc. If your electric scooter comes with a 24-volt battery, you can find a 48-volt replacement and plug it into the scooter to make it run faster. As said in my email, you probably received the wrong exhaust. I have cleaned the carb out but I have not changed the main jet or the piece that connects the carb to the engine. Coleman Powersports JL50QT-14 49cc Moped. If, on the other hand, we drive more on highways or interurban roads, we can install higher weights in our variator to achieve more top speed. Petrol is poisonous and causes cancer. Ps that should have been a post not a reply?! Rear Pulley I believe the sound comes from either the pulley spring, or the clutch springs. For the more advanced tile enthusiasts, having tile nippers, tile cutters and trowels would be good. In order to remove the dummy pipe simply cut off the pipe with a handsaw or a micro grinder. Im now wondering if it could be the pulley making this noise due to some kind of interference. There really isnt much else out there, than the described restrictions! Have a look at our derestriction article to read more about this [], No further news to add as of yet altho did hit 50mph yesterday in the liverpool tunnel (down hill) on my nifty ;). A 125 2 stroke might go faster but the 125 4 stroke should top out around 60 to 65 but will not last very long without a lot of work if you run it at those speeds. Is there any chance that the cdi is running a weird program? Hi Dylan, Unfortunately Honda makes their very own engines just for their scooters. I have searched on ALOT of websites, and i havent found a single derestricted CDI for my Bullet RS. Also, removing catalyst from exhaust is illegal. Hey, I have a taotao racer and idk which wire to pull to derestrict it if you can text me@ 302-272-2012. It is not limited CDI as I have run 91-92k rpm at over 50mph. Maybe the problem is much more with the cdi. Can you please, please, please give me any info about my bike and how to get rid of this restriction? The kind that had epoxy not to keep moisture out, but human eyes. Twist the throttle, and the Elite 80 will be pulling strong, unlike 50cc 4-strokers. Hi i want to derestrict my 2 stroke 50cc scooter it is a Honda Hero Winner. Thank you for recommending the page and I hope to see you on TuningMatters.com 2.0! I currently have a 2016 50CC TaoTao (chinese). You should be happy that it goes 35. Great website. There are heavy fines and you might loose your license when get caught or involved in an accident! In the case of the Spanish territory, you should know that a person with a B license (3 years old) or with an A1 license is limited to drive a motorcycle up to 125cc and 11kW, which translated to horsepower is 15hp, with a weight/power ratio of 0.1 kW/kg. might have gotten ahead of myself here but just picked up a suzuki ts125x as a first geared project, as never ridden one b4, and am having trouble finding the relevant service manuals and was wondering if you could point me in the right direction? hi , i have a pulse scout, i found and removed a restriction using a dremmel pencil grinder, it was located in the throttle twist grip housing ,was a thin barrier part of the ally casting that simply stopped the twist grip from fully rotating by catching on a nylon lug on the twist grip!! what manifold do i need to buy? The fastest it will go is about 58km/h and if im lucky 60km/h. Whilst running & idol my revs wont sit still. We're always willing to return your call if you have questions. It usually is about 5mm thick. I would like to increase the speed but not sure what I should buy, nor if thats what is the problem or if they are even able to be customized to high performance engines. If you know of any CDI for my scooter (IF its CDI restricted ofc) PLEASE link it, I live in Europe btw. If it revs higher than 8000rpm you're don't have a restricted CDI in place. the bike is in pieces and needs to be rebuilt from the ground up, so i generally need to know where everything goes including wiring diagrams? Throttle opening and air supply restrictions are often found on scooter carburators in order to restrict performance. ;), On Google, this found the correct schematics: gy6 cdi mod For practical intents and purposes, unless you know a lot about electronics and EXACTLY the schematic of yours, CDIs are pretty hard to clone and even harder to mod. Mostly the complex air routing of air filter increases filtering performance therefore allowing the engine to perform well under any conditions (be it a heavy monsun in India or a sandstorm in the desert). Ive got a 1984 honda nh125 / 1999 af28 dio you will have to see it to get what I mean but the problem is for me that it is only getting up to 1/2 the speed that the specks say it can reach and thats after having a few aftermarket parts can you help please. If you continue to use this site we will assume that you are happy with it. We could say that it is the equivalent of changing the carburetor, but for an injection motorcycle. p.s i have a full bike licsence and also have a VFR800 slightly faster than the neos. Is your airfilter clean? Do you have any tips for me on how to derestrict it and/or improve performance. Larger Air Fuel Mixture + Hotter Spark = Increase Horsepower and Speed I have 2012 Piaggio typhoon 50 and at present it will do approx 65-70kmh max on the flat and 30-50kmh uphill and id really like your advice on how to make my scooter better at travelling up hills. The exhaust restriction is applied to most scooters and can be easily removed. it would explain in some manner why there is absolutely on acceleration to speak of when taking off on the damn thing, compared to other niftys Ive rode that take off as fast as a bra in a strip club. The new muffler will enable your scooter's engine to expel exhaust faster and cleaner, allowing more air to enter the engine during fuel combustion. Welcome to Part 1: How to derestrict a 50cc scooter. It is an old scooter and it comes out of the hole hard esp when the clutch is cold. Would this simply be a case of wear-an-tear? Step 1 Disassemble the air box and remove the filter. Thanks for the information dont have the money right now but its useful to plan with. Please Please Please Send all like links to the supplied e-mail address !!! This hose is needed to keep the catalyst clean. Hi Daniel, The bike runs the same whether I fit the standard CDI or the unrestricted CDI. Trikes. also how would I go about finding an unrestricted CDI? Does it take a while on the straight from standing before the engine picks up on speed and starts revving higher? Thinkin it would just be easier to put the thing on e-bay or auto-trader an buy me a 125! That will limit your top speed. any info on this would be helpfull, i am mechanically minded. I tried to adjust the needle in the carb but its non adjustable Clutch locks up at 4200 rpm and revs up to 7800-8000rpm before the variator starts to expand and shift Drops down to 6k and slow to build rpm back up to redline which is 8k. Oh well, sorry for rambling, hopefully youve got a clue about how my moped is restricted, because being LOCKED down in 50 KPH is very annoying. These restrictions are not stock and therefore need to be installed by the vendor of the scooter. ive just derestricted my sx1 and its capable of 90km the only problem is it wont pull off the line. The scooter brakes through the 140 mm drum-type brake at its rear. By good I mean these can be removed easily without spending a single penny (given the right tools). Remove that and you will get some more top end. They can break the piston, cylinder head and even damage the crank shaft when too much force is applied. If you fail to do this you are wasting speed and horse power. Also didnt notice much wear on rollers when last looked but will double check anyway, While I get the weights & measures TBAd above, heres another one for ye. Your CDI is restricted and does not allow to exceed a certain rpm (VERY COMMON ON CHINESE SCOOTERS) 2. Get an unrestricted CDI if the scooter wont go faster, even downhill. Simply remove the air filter hose from your carburator and look out for plates that prevent the air flowing through your carburator when its throttle is opened. Open up the variator system, remove the front pulley wheel and pull the washer off of the front pulley rod by hand. This lead me to the conclusion that the thing was restricted in some other manor, so before coming here i trawled the net and found info on carb jet cleaning, jet needle adjustment and air/fuel calibration among others. The little clip you can find on the needle is for adjusting the fuel / air ratio. Always ride within your limits and be aware that you might need a different drivers license when a scooter exceeds a certain speed or engine capacity. Hi Daniel, I have bought a sachs sx-1 which was standard but broken so I have fitted a new 70cc cylinder and cylinder head, new Leo Vince exhaust (with restrictor removed) and unrestricted new C D I. There is two things you can do: 1. i have a 2009 50cc keeway f-act japanese performance scooter..does it have restrictions and where and what would be the restrictions on it. If not done correctly the engine might overheat and can be heavily damaged. just read the article and reverse engineer the restrictions. Fast vehicles are dangerous. I bought a 2013 Kymco super 8 50cc 2t scooter last month. The carburator needs to be adjusted according to the amount of air it is processing. Increase the air flow to the engine. Also I dont know what Im looking for as far as performanceI love speed and if I could get this little beast to do a wheelie Id be in heaven. The local dealer is really uncooperative and refuses to provide any info on the restriction itself (i.e. you seem like a smart guy and i have faith in you! In most cases derestricting the scooter not only improves the performance of the engine it also allows it to perform better, longer. They practically could be made entirely from mechanical devices like cams no ICs and only a few switches (transistors/SCRs). Or will it still make a difference to change it with the stock exhaust. Hi Matus, It seems like the garage replaced the rollers with heavier ones? Hi, This sounds a bit odd. When i removed the vario to inspect the ring, with two lengths of bicycle chain linked together and attached round the center stand structure for leverage by the way, i immediately noticed that the travel line of the belt was a poor 2/3rds of the way up the var and looked like it had never even been close to full potential. Hey Daniel, I live in the states and ive been looking into getting a 50cc engine. Hi Daniel. Thanks, Hi Arrie, Have you gone through the article and checked which of the restrictions apply to your model? Hi, No, usually the stock mainjet is ok for derestricting. You can drill or poke holes into the intake with any size drill bit or awl, as it is non-rigid plastic. Ive a fairly good understandin of the importance of o2 in the combustion process, and how sealing up the filter hole would invariably lead to a loss in power output, but it is not this that vexes me?! Simply grind off the small welding spot that hold the restriction in place and it can be easily removed. I just cant wrap my head around a carb getting to much air Really Lol Thanks. Just purchase an unrestricted one for 50Euros and everything will be ok! The Piaggio Injection models utilize a restricted CDI. Removing this washer requires minimal mechanical know-how and few tools. 50cc scooters are built to offer limited speed and range. We recommend that before buying a new exhaust for your motorcycle, you take into consideration the emissions and road regulations, as our new exhaust must be homologated. A 50cc two stroke that can get a minimum of 40-45 mph with minimum work (ie, simple derestricting). Sorry was mistake in cdi code, I have ordered cdi ducati 639978. When the air/petrol mix supply is restricted the engine cannot perform at its full power. I have a 125cc honda Aero, currently it goes around 45-50. These are the most common restrictions applied to scooters nowadays and probably the main reason why you are reading this post. Tho, it might be that the engine is really just crap and wont go faster even tho its derestricted. Hey great Blog I Understand the limits and everything at the time, I just got a TaoTao Zummer 2014 50cc it has a limit at 40mph, but here in florida if you go Slow, you probably going to get run over. Your scooter is electronically limited through the cdi. His work has appeared in The Penn, The Antithesis, New Growth Arts Review" and Deek magazine. 1. You take the quartz from your cdi and solder it onto this device, that then gets soldered to the original quartz posts. the variomatic ring grinds into the aluminium of the variomatic over time causing it to break, or the exhaust restrictions increasing the overall of the engine temperature by blocking the gas flow. It is a NH 125 Honda engine. You can also find variator rings in some engines! My sons got a Lexmoto lsm 50. lol in all seriousness, though, best of luck at you next inspection. Variator weights are so light, that the given engine speed does not produce enough g-fore to pull the variator plates together. Just bought a kymco k pipe 50 and though it will do 38 on a flat run it drops down to 20 or less on all but the slightest of hills.Can you tell me how the bike is restricted and I will endeavour to work around it. Removing restrictions and riding a scooter without having the appropriate drivers license is illegal. Cheap replacement manifolds can be found on eBay for around 15. We use cookies to ensure that we give you the best experience on our website. For other brands this might not be the case. the top speed is 58kmh,can you give me some suggestion to improve the engine performance? Have a look at our articles section. When the catalyst exhaust is being replaced this hose should be removed and the hole in the engine block closed. Mhm, it sounds like a carb issue then. Top of the range in every sense really! Not sure I how to increase the performance of this type of engine , been looking at all of performance heads and cylinders, carburetors, transmissions, etc. Ive built many engines in past years Cars Twin turbo 300zx, Corvettes, Porsche v8 928s4 etcand crotch rockets as well as dirt bikes. Even though its tempting, the use of piston stoppers should be avoided. This is just a general note and depends on your scooter model. 4. It is at this point where most scooters waste the most power, as it does not usually take advantage of all the torque generated by the engine of our scooter. Examples for these are variomatic rings, exhaust dummy pipes and carburetor opening restrictions. Your manual will indicate the engine size, and the mechanic or salesperson will show you the range of muffler options. ), Honda ruckus, Yamaha zuma. Do you know much about where the restrictions in these lie and how id go about removing them? Look for the common restrictors as outlined in the article and if its a 4st model look for an unrestricted CDI. It depends on what is available in your country, but I recommend the Naraku Unrestricted CDI available from Racing-Planet (they have shops in Germany and US). I own a TGB Bullet RS. Never even considered opening it up and by-passing the restriction, which is, im guessing, the mod youre talkin bout!? Hi Daniel. All that is needed is a little grinder (ideally Dremel, Proxxon, or other micro grinders). nothing illegal in racing besides the unburnt fuel fume coming out the pipe smells terrific and thats what were after. Hi Dan, What do you know about restrictions on SYM jets port 50x 2013, A catalyst has to operate at a high temperature to perform in its intended way. If you want a good balance of performance and sound muffling, you would likely pick a more thickly packed muffler. But I believe you should replace after every 10.000km. Alter the variator system by removing the restricting washer underneath the front pulley wheel. Swap out your scooter's current muffler. Youre right it is difficult! I bet most bikes use AC CDIs for example. Hi, Its really difficult to find information about your scooter. You can make your four stroke scooter faster by installing a number of products or making one of a handful of aftermarket alterations. Derestricting a scooter makes it faster and therefore more dangerous to ride. Listen, thanks man anyway. I have a 4 stroke 50cc ice bear rocket. Continutul cosului. Hi Marco, The Honda 4 Stroke engines are not restricted in the common way. Attach a windshield to the handlebars of your scooter. Hi, would a geared bike have front pulleys and if so where would they be. Have a look whats hooked up to the battery and the stock cdi. This can be accomplished by either drilling holes into the air intake (located above the variator case) or by removing the intake altogether. Hey Shaun, No pulley on bikes with gears! There are some other exhaust restrictions. The filter is one of the cheapest components of a 125cc motorcycle but one of the most important. This should do the job! Piaggio engines usually have the dummy pipe and the variator ring applied. It is simple to operate with its easy electric . The bike starts and ticks over and runs at low revs OK but when I give it a hand full of throttle it bogs down and backfires. These restrictions are usually provided by third parties which means it is not a restriction applied by the manufacturer of the scooter but a kit bought from a company that specialises in restricting scooters to comply with local drivers license laws. 2. Thanks so much for your comment! . Otherwise the carburator can not work at its maximum performance. But as my name suggests, i am still relatively new to all this, and so follows the first of my quandaries, Still with the nifty (JC 50 QT-20 sudoku) http://www.mopo.fi/ajoneuvot.php?ajn=21&merkki=3, No dummy pipe fitted, unsure bout other exhaust ress as no weldin equip available, vario (? It should be removed as the ring causes the engine to run at a high engine revenue speed most of the time (imagine you cycle on a bike always on the first three gears even though the bike has seven). Piaggio for example gives full warranty when derestricting the scooter through a certified vendor/repair shop. I covered about one third of the rubber intake tube opening with tape to duplicate the restriction of the air box. Many thanks! Its normally more expensive to use more packages, even if the total cost of the chips is more. 40mph would be great! How Can I Make My Stock Exhaust Sound Deeper? i believe the vario roller weights need increasing is this correct and to what sort of weight ? I would go with 1. and buy an unrestricted CDI. It is a bit of an open story if air filter restrictions are really applied. Thank you for the information combined in such a nice article! Any tips would be appreciated, cheers colin. Open up the variator system. Also, run some carb cleaner through the carb and clean the air filter. Also, would cdi box benefit me or no. Usually too big when it bogs but if your airfilter is too big (eg racing airfilter) this also happens when the jet is too small. Thanks in advance Martin. And since my place doesnt have enough tuners who can get me increased performance, Im depending on online help to get more power out of my scooter. Assuming i dont derestrict anything else. Help just had clutch to bits on piaggio nr3 now engine cuts. It is one of the most technical parts of an engine. Do you have a 125cc scooter and don't know how to get more performance out of it? There are a handful of 50cc scooters that can touch top speeds of 60mph, but that's only if you unlock the engine or modify components within the engine. For example some stock exhausts use a very long exhaust manifold that decreases the gas flow and therefore resulting in reduced performance. am reaching 17.5k on the clock an i bet the belt aint bin changed yet so theres another new part for the ever-growing list. I ride around the University of Florida and would like just a little more acceleration and speed. Tho, even without the restriction, those new 4st engines are made for fuel efficiency rather than high speeds, so dont expect too much :-/, Hi I just bought a 2010 kymco super 8 50 2t I enjoy it but it tops out at 25mph is there any advice you could give me to increase the mph to at least 40. i have a gilera ice 50, ive recently bought a stage 6 exhaustm which should have fit on my ped, but the mainfold where i join them together are 90 degrees out? I just cause traffic everywhere i go and in South Africa that is not a good thing. And after some research i thought a derestricted cdi would help so i bought one, installed, and no change. Honda engines are often carburator restricted. When we finally stopped for a chat, i had a go of his myself so i could see how mine should ride with no restrictions in place and the thing nearly took off from under my asre the acceleration was that fast! Any ideas? Hi, This sounds like your rollers in the variator are a bit too heavy. Whilst it does not directly restrict engine speed it is still recommended to remove the catalyst when tuning a scooter. I tried fitting the old Aprilia thermostat into the Italkit cylinder head and it fit, but when I tried to put it together I noticed that the thermostat is too long to fit into the cylinder and let the head seal to the cylinder. Frustrated, I left the damn thing alone for a few days, then thinking that the restriction may have something to do with the revs,i remembered a video id downloaded off youTube that mentioned a pink wire, and after hours of collaborative research into it, i was under the assumption that as my CDI was 6 pin with 6 wires, one being predominantly white with a pink stripe, and being located at the pin that leads from the CDI to the stator trigger pulse, that temporarily cutting this wire would fool the bike into thinking it is standing still, and allow you to rev the bike as high as you want!, alas guess what happened when i cut it ;) thats right absolutely JACK $H|T, it wouldnt even start, so reattached wire an starts fine as usual. In most cases, the connecting rod is shortened the same distance that the big end bearing is moved. Hey Daniel, Do you have any ideas/tips on how to derestrict a 2016 Lance Cabo 50? Apparently they are built for maximum fuel efficiency and to not go faster than 30mph. To emphasize that with a performance variator we are not going to increase the horsepower of the bike, but we will modify the power curve and get all the horses of the scooter to reach our wheel. This is why statements about higher top []. REAR PULLEY There is a squealing noise coming from around the rear wheel when I initially start up and pull away, the same noise as you sometimes hear on a car as it pulls away, but i might have mistakenly put this down to the brake needing to be replaced, although the brake has poor stopping distance! 2-4 are very unusual. How to derestrict a 50cc Scooter TuningMatters.com. Brought to you by Leaf Group Step 1 Detach the kickstart from the variator system. Time to go on the hunt! You would need to check what the default width of the belt is, and use a gauge to verify this (or better buy a new belt right away, but you still need to know the size) 3. Even for someone like me who today, for the first time, had a go at de-restricting my variator with little success. Or more common sense language: These engines all need mostly the same timing because theyre all GY6 clones! Im really stuck with trying to find solution and its getting really frustrating how I cant overcome this stupid problem. The variomatic ring restriction prevents the engine transmission from reaching its maximum gear ratio, thus limiting the top speed of the engine. I see that you dont update your page too often. It goes about 58-60mph on the flat, 65mph downhill, and maybe 45 uphill, variator ring is out, what else could be done to speed it up, its quick as it is but I want more! When i drive on flat surface my moped comes up to 50 KPH and stops there, it sounds like something is stopping the rev because it sounds like drrrrrrr (bad impression but yeah), it sounds like it wants to go faster. To modify it, youd need to identify which transistor controls the maximum RPMs, and what components set the frequency at which the transistor stops allowing the oscillator to speed up. This is the intake stroke. Also have a look for the exhaust restirctions. Many riders will derestrict their 50cc motorbikes and install performance parts to increase their top speeds. X-Pro 150cc Moped SEE IT. Mine has a top speed of 35mph/56kph. from Piaggio). I have just purchased a new stock sr50r carby version and Im yet to pick it up, My shop is derestricting it for me by doing the exhaust and the variator ring derestrictions as you have outlined in this great article. How to de-restrict/de-limit a 50cc Euro 4 GY6 (Chineese) moped. The resulting hole in the exhaust needs to be closed. Got to thinkin bout rollers in vario. Is it going faster downhill? The alterations and products available have the potential to increase your average speed by one to three miles per hour each. Does it raise the reed valves? 90 on a stock engine is way too big! What other ways do Chinese manufactures do to restrict RPM and performace. I just finished re-porting the cylinder for a bit more hp. It is attached to the system by a pin that is tightened into place with a small bolt. Best parts to make your 4 stroke scooter faster , hands on reviewsFollow me on twitter@mopedtuninghelp These can be assumed safe to remove without affecting the life time of an engine. 5. make your Scooter Faster by Inducing a Turbo There are a few tricks you can try to make your scooter go faster. LIST: Peugeot Speedfight 50cc, Keeway f-act 50cc, Aprilia sr50cc (ditech? Scooter mechanic here. I have ready that changin the main carb valve for a 60 valve is a good option. it is very easy to slow a machine down. My question is my bike seems like it loses power or acceleration. Also, this is only valid for the 50cc models. Altogether I recommend to get another (newer) scooter model as tuning parts for these old Hondas are very expensive if you can find any at all :-/. The carb restriction is a big piece of plastic that prevents the carb to open completely. Have you received a list of what was done in detail? Removing the glue will take forever and I think it is unlikely that you are able to free the circuit without breaking it. Thank you! . My highest was 45 and that was down hill.

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