The variomatic ring restriction prevents the engine transmission from reaching its maximum gear ratio, thus limiting the top speed of the engine. Count the teeth on the front cogwheel and and get 1 size bigger one (means one more tooth there). Any ideas? Removing this washer requires minimal mechanical know-how and few tools. Thanks mate. Some also come with a variator ring and the carburator air intake restriction! Whilst this can be done it is usually not worth the effort. If there is no distance ring between the two vario plates and the belt does not reach the top, this could have several reasons. p.s i have a full bike licsence and also have a VFR800 slightly faster than the neos. from Piaggio). 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. When the catalyst exhaust is being replaced this hose should be removed and the hole in the engine block closed. Honda engines are often carburator restricted. 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. You can make your four stroke scooter faster by installing a number of products or making one of a handful of aftermarket alterations. Hi Lee, This sound indeed weird. Is there any chance that the cdi is running a weird program? My moped is from 2012 please let me know as soon as possible. Either by air intake or by not allowing the full opening of the throttle. and where to buy them at. - Monimoto US, How To Quickly Determine The (DellOrto) Carburetor Main Jet Size, How To Check Your Spark Plug for the Correct Carburetor Setting, How to check if your Scooter CDI is restricted, The Ultimate Scooter Tuning Exhaust Test (70cc Sport), To allow for use with a certain drivers license class, To comply with speed limits and legal requirements, Check the vario rollers for wear and replace them with new ones, Ensure that the belt is still within specification or just get a new one, Remove the vario restriction as described in the article. For example, mufflers for 50cc scooters can be installed on any 50cc scooters. For example some stock exhausts use a very long exhaust manifold that decreases the gas flow and therefore resulting in reduced performance. Hi I have two kemco scooters 2013 50cc likes would like them to go faster need some help thanks. they all look the same! Surely, the Chinese bike companies would know which is most cost-effective. . 50cc scooters are built to offer limited speed and range. Archivi Products Biondi Accessori. Is it going faster downhill? Thanks Lee. No risk for engine damage or anything! However, sometimes the manifold is even to small for the stock carburator. the variator ring actually damage the variator over time. Larger Air Fuel Mixture + Hotter Spark = Increase Horsepower and Speed If its whiteish, its too lean and needs a bigger jet! 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. This can be accomplished by either drilling holes into the air intake (located above the variator case) or by removing the intake altogether. Thank you for the information combined in such a nice article! A stock carburator usually has a diameter of 12mm. How to get massive traffic? just finished reading the How to de-restrict a 50cc Scooter page, and i must say that Ive just learnt more in the past 15 minutes, than i have in the 2 years of riding & reading nothing but $H|T on the net. 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. Hi i want to derestrict my 2 stroke 50cc scooter it is a Honda Hero Winner. 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). Hi G, Sorry only now saw your comment. Shopping Cart. How to derestrict a 50cc Scooter TuningMatters.com. The easiest way to remove the catalyst of your scooter is to replace the stock exhaust with an aftermarket model. However, I would like to reach atleast 35mph. 4. Will replace with new one anyway for DIRECT comparison for future reference. Derestricting your four-stroke scooter requires you to remove a small washer from the pulley system which transfers energy produced by the engine into the wheels. Beware as the stock exhausts are usually much more expensive than an aftermarket part and at the end of the day you will buy an aftermarket exhaust anyways when considering tuning as a serious hobby :). also how would I go about finding an unrestricted CDI? The kind that had epoxy not to keep moisture out, but human eyes. Use an impact wrench to do this. The carb restriction is a big piece of plastic that prevents the carb to open completely. Thus, look for the usual Minarelli restrictions and get an unrestricted CDI! In return, as a sign of respect for finally organizing the mass of de-fragmented scooter info in my head, i will recommend visiting this page in every forum im listed with. The alterations and products available have the potential to increase your average speed by one to three miles per hour each. Im bout oleo the vriator racing weight to this model,Do you think i have done it correctly ? Maybe the problem is much more with the cdi. Theyre all either yobs wanting to outrun the 5 0, or either have the understanding and are lax in presenting it, or they just dont care for the fine collaboration of the machine parts to enhance performance whilst maintaining its longevity. The Naraku ones from Racing Planet are cheap and good! In some states, 50cc scooters that can travel over 30mph must be registered as larger class motorcycles. These are bolt on solutions and cost only about 20-30Euros. Do you have a 125cc scooter and don't know how to get more performance out of it? Hi, It is actually a Chinese scooter, not a Japanese. At least YOU have an understanding of the operation & function of the parts you talk about, and describe them in a manner that is easy to comprehend. The following restrictions can be found on pretty much every scooter sold nowadays and can be split into two categories: Whats meant by added parts? The safest way to block the crankshaft is to buy the special blocking tool. Hi I just bougt an Honda NSC50R in Norway , it is limited to go in max speed 45 kmh i have ordered a CDI /Turbo kit TK-TJ015-UR1VN Have i ordered the right part ? Id like some help on how to get the moped to reach higher speeds. I dont understand how a carburetor can get to much air. This is often contradictory to the speed limit requirement as fast accelerating scooters also reach high top speeds. There are different ways to improve the performance of a 125cc 4-stroke motorcycle. any info on this would be helpfull, i am mechanically minded. My sons got a Lexmoto lsm 50. There are some tuners in Japan that make products for Honda engines but rather for the newer models (Dio, Zoomer, etc). as they have not mentioned this to me. it is very easy to slow a machine down. My parents got me a scooter just because Im not licensed to ride motorbikes. . you mentioned You cant modify them yourself. Russell. Ive spoken to many people about this, and theyve said that it isnt CDI restricted because their TGB Jetfighter or other TGB scooter wasnt CDI restricted. Is your airfilter clean? Just purchase an unrestricted one for 50Euros and everything will be ok! I bet most bikes use AC CDIs for example. 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. Hi, I am in the process of restricting my keeway fact 50. There are 24 to 48-voltage batteries available in the market. It is not limited CDI as I have run 91-92k rpm at over 50mph. Tho, you need special hardware to do this, like a dremel and grinders. That will limit your top speed. If you fail to do this you are wasting speed and horse power. so it wont join as the holes for the bolts need to be moved round? I own a TGB Bullet RS. Not sure if this cost-per-part-to-solder issue is true for simpler devices, though. Hi! Trikes. When buying an already restricted scooter make sure to receive all the parts needed to derestrict the scooter again. Thank you. I have a 98 Yamaha that is dangerously slow going up any sort of hill. How to recalibrate a speedometer after a How to Derestrict a 4-Stroke 50CC Scooter, How to increase the speed of a puch moped, How to Change the Exhaust on a 50CC Scooter, How to Replace a Corsa Instrument Cluster. As said in my email, you probably received the wrong exhaust. Whats the best 50cc moped to derestrict for acceleration and top speed thanks. Swap kits plus motor cost about 5-600$ and gets you up to about 6-70mph afaik. I could take on any car on stoplights before, now I feel like Im bogging down the traffic Any idea what may be wrong? 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. And those CDIs have 6 pins, which also mine has. It is always recommended to play with 1 gram at most in the weights of our variator so that it does not change drastically the operation of our motorcycle. It does not affect speed or performance. Thats one thing they have in common with US companies cost-price analysis. Restrictions through replaced parts on the other hand cant be simply removed. It wont even get up hills, yet alone drive at dangerous speeds! I currently have a 2016 50CC TaoTao (chinese). This is probably somewhere around 7-800rpm. What is this black plastic plate you are describing? It is one of the most recommended modifications if you are looking to take advantage of all the power generated by your engine, since we will be able to send it to our rear wheel through the belt. Cold-blooded. Thanks for the information dont have the money right now but its useful to plan with. Hi Matus, It seems like the garage replaced the rollers with heavier ones? Daniel, I have a new Italkit 70cc cylinder kit for a Aprilia Morini engine. New spark plug wouldnt hurt neither! And where does it sit? Still a lot of tuners prefer to do an engine swap to a Minarelli engine as its easier to find parts for them :-/ You can try tracking down by looking for the engine rather than your model. Help just had clutch to bits on piaggio nr3 now engine cuts. The X-PRO 150cc Adult Moped is everything you could want in a fun, reliable, and compact gas-powered scooter. For the more advanced tile enthusiasts, having tile nippers, tile cutters and trowels would be good. Hi daniel, bike has standard exhaust with the baffles removed, It revs up fine and does 35mph downhill bit the revs just keep increasing till it sounds like its going to explode. Hey, I have a taotao racer and idk which wire to pull to derestrict it if you can text me@ 302-272-2012. A derestricted CDI is not a problem at all. Hi, I live in Spain and my 50cc scooter has just failed its test because it goes too fast :)) There doesnt seem to be a single article to tell me how to restrict it. Detach the kickstart from the variator system. Some catalyst exhausts have a hose connected to the transmission housing (Piaggio). Loosen the bolt and pull the pin and you can remove the kickstart from the scooter. Im an under age scooter rider from India. Brought to you by Leaf Group Step 1 Detach the kickstart from the variator system. Been a bit busy here recently 1. Throttle opening and air supply restrictions are often found on scooter carburators in order to restrict performance. Which parts are necessary to buy to tune up the engine? However, it is a lot quieter, more reliable, and significantly more fuel-efficient. Normally unrestricting doesnt require any settings changes at all, so you should be good to go. The local dealer is really uncooperative and refuses to provide any info on the restriction itself (i.e. Can you take a photo of it? For example, if you don't mind sacrificing quietness for speed, you might choose to leave the muffler off entirely, or you could install a lightly packed muffler. Cart. They usually require the purchase of an unrestricted part or considerable amount of modification. The rear pulley acts weirdly and doesnt fully close, hence does not allow the belt to travel all the way up. I have searched on ALOT of websites, and i havent found a single derestricted CDI for my Bullet RS. []. I know i cant half go on, but youve bin a god send in helping me understand this as a greenhorn, theres just so much to take in with so little explanation other than here. Here, just the thinner air does a number on your effective HP. P.S MOT last week showed no indication of pulley trouble, or anything else for that matter! Hey mate, i have a 110cc Honda Benly. i just personally think they look and i think it would look cool to putt around town on. Fuel consumption usually increases but in some cases can be lower or remains the same. The intake is attached to the scooter by two or three bolts, usually with two attached to the underside of the rear wheel well and one attached to the variator case. Drill holes anywhere on outer wall of the intake. Abbigliamento, Caschi e Accessori Moto. It usually is about 5mm thick. Hello. Your manual will indicate the engine size, and the mechanic or salesperson will show you the range of muffler options. Hi Theodor, Sorry for the late reply. To avoid that the restriction piece falls into the manifold when grinding you should build a hook out of some wire and secure its position. The exception to this rule are scooters that have developed proprietary parts (for example, Honda). Open up the variator system. Is driving with a derestricted CDi bad for the scooter in anyway? Although I have zero experience with these seemingly disposable 2 wheelers Everything breaks Lol. Would really like to see it. Ive asked the shops about the CDIs, and they are saying it doesnt work with the Bullet RS. It also has a hydraulic caliper at the front that chomps down on a 200 mm disc. Im really stuck with trying to find solution and its getting really frustrating how I cant overcome this stupid problem. Or more common sense language: These engines all need mostly the same timing because theyre all GY6 clones! If you want a good balance of performance and sound muffling, you would likely pick a more thickly packed muffler. Hi Russell, Those newer 4St Minarellis all have a CDI restriction applied. In addition, it can compromise the integrity of our engine for a use for which it was not manufactured. 3. Variator weights are so light, that the given engine speed does not produce enough g-fore to pull the variator plates together. Hi Daniel, The bike runs the same whether I fit the standard CDI or the unrestricted CDI. Listen, thanks man anyway. If so, then the rollers are too heavy. 2. There are different reasons why scooters are having restrictions applied. Hope this helps! I wrote to Racing planet but they do not support this bike. The only parts acceptable to remove from an air filter are diameter restricting nozzles as pictured below. We use cookies to ensure that we give you the best experience on our website. Derestricting a scooter makes it faster and therefore more dangerous to ride. Attach a windshield to the handlebars of your scooter. just read the article and reverse engineer the restrictions. cheers for the info on the springs makin the noise, wouldnt have bin able to diagnose that myself. They practically could be made entirely from mechanical devices like cams no ICs and only a few switches (transistors/SCRs). What do you think about derestricting the engine? 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. Is the rev increasing then? We empower you to efficiently solve each new challenge and make your life better and easier. In this way, we ensure that, even if we increase the power of our 125cc 4-stroke scooter, we will not have reliability problems and our bike will last longer. Thus your top speed will increase. cant find any info anywhere. Maybe 0.5-0.8g less! Apparently they are built for maximum fuel efficiency and to not go faster than 30mph. 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. One of the advantages of installing a performance variator on our scooter is that we can modify the performance according to our needs. Do you have any tips for me on how to derestrict it and/or improve performance. Buying these usually will cost more than buying a 70cc kit off of ebay and learning how to do it properly will also take a lot of time. 50cc Scooters and up.. 125cc Scooters and up.. 250cc Scooters and up.. 2 Stroke Scooters. These are the most common restrictions applied to scooters nowadays and probably the main reason why you are reading this post. Sure, I can reach 60kph now, but getting to 40kph is a pain. I have cleaned the carb out but I have not changed the main jet or the piece that connects the carb to the engine. Piaggio engines usually have the dummy pipe and the variator ring applied. I wrote this article with the goal, of having a complete overview about the different forms of restrictions applied to 50cc engines nowadays. Does anyone know what restrictions there are on a Yamaha YN 50 E Neos ? Also have a look for the exhaust restirctions. Hey Shaun, Yes, this sounds like the gears are too short! No, sorry. It is one of the most technical parts of an engine. You should be happy that it goes 35. Do anybody know if that bike is restricted if so how can I disable it so I can get the top speed, Hello Daniel, I have a 2008 yamaha yq50 2st what are the best checks to see if this has been de-restricted it will do about 38 on the flat and just a touch over 40 down hill , I used to own a 2003 Gilera runner 2003 50cc and this did 50mph (on the speedo) just on the flat. Search for: Murgrabias tools go viral. I have ready that changin the main carb valve for a 60 valve is a good option. That is, if we do more urban stretches where what we want is more acceleration, we can equip the variator with lower weights so that it revs more and gives us more power at low speeds. For other brands this might not be the case. One is to induce a turbo. Will try the recommendations you suggest an be back in touch soon, hopefully with news that ive just come outa hospital coz youve solved all my problems an ive crashed the frackin thing into a lampost on take off ;), [] like, e.g. 3. in the case of the rollers I finally got my bro the mech to come on a little ride the other day, see hes got a nifty himself (I forget the make an model) and its rapid to say the least and i wanted to see how it compared to mine. Removing the variomatic ring is difficult as the variomatic is sitting on the crankshaft which spins when trying to unscrew the nut. Hi, would a geared bike have front pulleys and if so where would they be. Please Please Please Send all like links to the supplied e-mail address !!! Step 1 Drill holes into your Elite's intake or remove the intake entirely, to increase the airflow into your engine. This is why motherboards on PCs have one big chip for 90% of functionality (in addition to RAM/CPU/other modular parts). 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. Alter the variator system by removing the restricting washer underneath the front pulley wheel. In oder to stay within the limits but still have a well performing engine various restrictions are applied to the engine so the scooter can receive its road legal certification. Place your scooter on the main stand and make sure it's secure. Is it accelerating quickly, or super slow? Thanks. All that is needed is a little grinder (ideally Dremel, Proxxon, or other micro grinders). When reaching a certain engine revenue the limited CDI simply stops the engine from revving any higher by stopping ignition of the spark plug any faster. P.S. Be it rust, damage, lack of lubrication, or something else??? The Yamaha Minarelli engines have a dummy pipe and a variator ring applied, similar to the Piaggio 2 Strokes. Hi, Its really difficult to find information about your scooter. Any advice or info on what I should do to increase my scooters performance especially for the annoying hills would be appreciated. Can you please help me with tips on making it go faster? Hi there I have just bought myself a 2008 generic cracker 50cc been driving about on it and it is going way too slow on flats i am reaching about 25 mph tops and I really need to do something about this as I am getting left wayyy behind by other people on 50ccs is there anything i can do or get that would give me more speed even to fully top the speed out.

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