I was curious whether or not i should apply to a light bike/motorcycle frame, to get that kind of bobber or kikker look. I dont know the differences in performance between the two but he was on a 2 stroke compared to my 4. Is driving with a derestricted CDi bad for the scooter in anyway? My moped is from 2012 please let me know as soon as possible. How does the bike feel. Abbigliamento, Caschi e Accessori Moto. 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. 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. If you continue to use this site we will assume that you are happy with it. Please be a little more specific as to the type of modification(s) and the reason(s) why. And it does it very well. Unscrew these bolts to remove the intake entirely. The resulting hole in the exhaust needs to be closed. 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. I wrote to Racing planet but they do not support this bike. Hi I have two kemco scooters 2013 50cc likes would like them to go faster need some help thanks. The kit mostly contains of an electronically limited CDI and some other parts (removal of the pillion seat, cylinder head spacer to decrease compression, etc). It might be the case that your gears are simply to short and you need to install longer ones! 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. Piaggio engines usually have the dummy pipe and the variator ring applied. Look for the common restrictors as outlined in the article and if its a 4st model look for an unrestricted CDI. Does it take a while on the straight from standing before the engine picks up on speed and starts revving higher? To stroke an engine, a tuner relocates the big-end bearing further outboard on the crank halves. Any idea what the top speed would be with a un-restricted CDI? A 4-stroke engine works as follows: The piston goes down in the combustion chamber, the intake valve opens, and the air/fuel mixture enters. 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. If you are looking for an inexpensive scooter by a well-known manufacturer that can get you around smoothly, then this JLQT-14 gas-powered scooter may be the one for you. ), Honda ruckus, Yamaha zuma. All that is needed is a little grinder (ideally Dremel, Proxxon, or other micro grinders). Continutul cosului. Im an under age scooter rider from India. Windscherm Origineel Hoog Aprilia SR Motard 50 / Piaggio Typhoon II 50 2018 Origineel 1B005934 (+ Montageset) Accessori: PARABREZZA CON ATTACCHI GIVI PER PIAGGIO TYPHOON 50 125 2011 2012 288A + A5602A. Hey Daniel, Do you have any ideas/tips on how to derestrict a 2016 Lance Cabo 50? the variator ring actually damage the variator over time. 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. I covered about one third of the rubber intake tube opening with tape to duplicate the restriction of the air box. All that happens will be, that you simply break it. Thanks shaun. It wont even get up hills, yet alone drive at dangerous speeds! Please Please Please Send all like links to the supplied e-mail address !!! at 12mm the mainjet should be 55 or 60! Derestricting the scooter will increase performance considerably allowing for a much faster acceleration and also a higher top speed (usually about 75km/h). They are incompatible with other engines on the market and therefore less attractive for Western tuning companies. Your CDI is restricted and does not allow to exceed a certain rpm (VERY COMMON ON CHINESE SCOOTERS) 2. Hi, I have an aprillia area 51 which you hav probs seen, they are quite a big moped for a 50cc, 100kg dry weight. I have searched on ALOT of websites, and i havent found a single derestricted CDI for my Bullet RS. 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. The filter is one of the cheapest components of a 125cc motorcycle but one of the most important. Hey mate, i have a 110cc Honda Benly. it is very easy to slow a machine down. 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. We're always willing to return your call if you have questions. Examples for these parts are: electronically limited CDIs, diameter restricted inlet manifolds and increased length exhaust manifolds. You will need to buy a new one here. Thank you for the information combined in such a nice article! Compare the pressure with the max cold PSI number written on the sidewall of the tire. The air supply restriction is very simple to find. They practically could be made entirely from mechanical devices like cams no ICs and only a few switches (transistors/SCRs). You will be getting the same kind of power that you would typically get from a 2-stroke 50cc motor. So you took the clutch a part and now it only goes half speed? 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? This scooter is a reliable, air-cooled, 4-stroke engine with a CDI ignition system. Hope these 50cc scooter upgrades help you make your scooter faster. 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. What is this black plastic plate you are describing? I've created a Patreon page if you'd like to contribute to this and future projects athttps://www.patreon.com/brianmdiy Thank you!Side Gap A Spark PlugSimila. Tho, it might be that the engine is really just crap and wont go faster even tho its derestricted. Quieter and Reliable. Whether you need to fix, build, create or learn, eHow gives you practical solutions to the problems life throws at you. Remove that and you will get some more top end. I could take on any car on stoplights before, now I feel like Im bogging down the traffic Any idea what may be wrong? Easiest is to swap the cylinder with a racing kit, like the Stage6 Sport Pro! Have you received a list of what was done in detail? What should I check/change/adjust next? }:). Thanks so much for your comment! 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. 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. Fast vehicles are dangerous. In this article we are going to explain you how to increase the power of your 125cc scooter that you want so much on your 4-stroke scooter. For other brands this might not be the case. The electronically limited CDI is one of the few restrictions that does not affect the overall engine performance over time. Whats the jetting like? Hi, This sounds a bit odd. CDI Obviously pink wire had no effect, but would i be right in deducing that de-restricted CDIs have only 5 wires regardless of the pin count? Tho the stock engine wont have the power to rev higher by default. as is the carb. 2-4 are very unusual. 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. I dont understand how a carburetor can get to much air. Hi Lee, This sound indeed weird. I have a couple in mind already, but heres what I want. will lube the pulley. 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. The 150cc, air-cooled, 4-stroke engine is . Alternatively you can attach the exhaust of the same scooter model without catalyst (Minarelli and Piaggio engines have usually equivalent models with a non-cat exhaust). 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. 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. 3. Disengage the kickstart from the variator system. Hamilton holds a Master of Arts in English education from the University of Pittsburgh, and a Master of Arts in composition from the University of Florida. 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. This will help in clarifying my understanding of the CDI, as im only JUST learning how it functions. [] mph). Thanks. It is true that, in terms of performance, a 4-stroke scooter will gain between 1hp or 2hp. CDI The problem with those CDIs is that they are a) not documented, so youd need to reverse engineer the circuit yourself and b) they are usually one big piece of glue underneath the plastic. Im bout oleo the vriator racing weight to this model,Do you think i have done it correctly ? 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. There is only loss of pollution to air. Ps that should have been a post not a reply?! The Piaggio Injection models utilize a restricted CDI. Some catalyst exhausts have a hose connected to the transmission housing (Piaggio). In most cases derestricting the scooter not only improves the performance of the engine it also allows it to perform better, longer. Did I say funny? Can you give me some idea about Scooter vespa LX50 4T, engene code C389M. JCosta speed variator to increase the power of a 125cc scooter Change the electronics of the motorcycle If what you want is to increase the power of the bike to your liking and directly modify the engine map of our scooter and its injection, this is your modification. any info on this would be helpfull, i am mechanically minded. 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. The exact process of installing aftermarket pulleys depends on the size and type of pulleys you purchase, but for any scooter it will require you to remove the faceplate of the variator case which is held on by six bolts. If its whiteish, its too lean and needs a bigger jet! Thanks for the information dont have the money right now but its useful to plan with. Especially the main jet might need to be increased to comply with the higher engine revenues and the increased amount of fresh air supply. Removing restrictions and riding a scooter without having the appropriate drivers license is illegal. What do you think about derestricting the engine? Base your decision on your performance desires. The intake is the black, plastic part on the left side of your scooter above the box (variator system) to which your kickstart is attached. Scooter mechanic here. I just finished re-porting the cylinder for a bit more hp. My initial worry was that the belt looked like it had too much slack, as if it had been over-stretched, but i know virtually nothing bout em. Hi I have a 50cc derbi pro 2011, i have taken off the restrictor plate, do you know if you are supposed to raise the jet or lower the jet? I bought a 2013 Kymco super 8 50cc 2t scooter last month. Its confirmed as being a Long Case GY6 139QMB engine according to the chassis and: http://www.youtube.com/watch?v=vP7OnJZGcCc, And a JCM139QMB according to: http://www.jincheng-global.com/zdw3.asp?prmo=JC50QT-20&tyno=A&ptty=A02. The exception to this rule are scooters that have developed proprietary parts (for example, Honda). I just bought a 2009 Super 8 (4 stroke version) and I have removed the shoulder on the variator boss and I have also removed one of the purpole wires going into the CDI. When the air/petrol mix supply is restricted the engine cannot perform at its full power. 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. The most common would be to increase the cubic capacity of the bike by changing the cylinder, piston and cylinder head, but, besides being a very expensive modification, we would be outside the law. No, sorry. Can you double check with them? Got to thinkin bout rollers in vario. 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. If you want a good balance of performance and sound muffling, you would likely pick a more thickly packed muffler. Consult your owner's manual and a motorcycle or scooter mechanic or salesperson to determine what type of replacement muffler system you should purchase and install. ive just derestricted my sx1 and its capable of 90km the only problem is it wont pull off the line. 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! On the other hand the manufacturer wants to build engines that perform well in terms of acceleration. 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. This is why statements about higher top []. Id increa the mainjet then by 5-10 numbers! Can you tell me if its possible to increase the speed. We hope this article has been of interest to you and that you have been able to learn how to increase the power of your 125cc motorcycle. 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. Cold-blooded. Youd probably need to increase your gear ratio if you want higher top speeds! 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. Also have a look for the exhaust restirctions. Maybe 0.5-0.8g less! Its given to me as a company vehicle, so i only want to derestrict it, because quite honestly the lack of performance scares me more than my Ninja, and its definitely got more go in it than Honda is giving me from the factory. Therefore, we can say that we will gain about 2hp (depending on the model) complying with all regulations since we are not modifying the power of the engine. - 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. what jetsize do you currentlt have installed? Continutul cosului. Also, would cdi box benefit me or no. Here, just the thinner air does a number on your effective HP. 1. 4. 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. What would you recommend for me to just tuned it up a little bit more.? For example some stock exhausts use a very long exhaust manifold that decreases the gas flow and therefore resulting in reduced performance. I have a 98 Yamaha that is dangerously slow going up any sort of hill. UNBURNT so, of course there is no loss of energy. 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. Im really stuck with trying to find solution and its getting really frustrating how I cant overcome this stupid problem. Usually when scooters are restricted to 25kmh there are additional restrictions over the factory restrictions in place! Mhm, it sounds like a carb issue then. Anyway the idle speed you mentioned makes sense as my air filter is still holier than the pope an i CAN imagine their being debris gettin in but just cant afford any new parts at the mo as am recently outa the job so itl have to wait, Although I havent yet put carb cleaner through the system, I did think there might be some debris cloggin the jets or somethin else, so took the carb apart an ensured all openings were free of dirt by threading fuse wire through them. Thanks for the help have ordered some new sprockets thanks shaun, Hi, I just got my Vespa Primavera 50 2T derestricted in certified Vespa garage, but on my way home I noticed that acceleration isnt what it used to be. Heck, it would probably be easy to make a near-universal one given the network theory of economics/engineering that says that over 90% of designs are using at most 10% of components and design choices. Buying an unrestricted CDI overcomes this limitation. Idle Speed This needs to be adjusted when the engine is warm. BELT (default width = TBA)(verified width = TBA) never thought about it being too narrow?! ;). whats the carburator size? But it goes 35 mostly and less often it hits 40. Open up the variator system. 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. . Normally unrestricting doesnt require any settings changes at all, so you should be good to go. However the top speed of the vehicle needs to be restricted to 25km/h to be compliant. Increase the air flow to the engine. Could it be the same OM cdi with built in speed limiter? The kind that had epoxy not to keep moisture out, but human eyes. Magnum tuning sells a programmable rev limiter for $165. Im looking to get into customising mopeds but would like to find out some information as to what the restrictions are in German. This is due to some restricting parts not allowing the engine to perform as it is was designed to. Have you done it? 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. Can you take a photo of it? Ensure wearing gloves and dont breath in the petrol gases when working on the carburator. 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. Belt Belt life depends more on the usage raher than the age. It has a Minarelli 50cc engine. Whilst running & idol my revs wont sit still. 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.
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