how to make a 4 stroke scooter faster

Get an unrestricted CDI (apparently the stock CDI is limited). Is it going faster downhill? This scooter is a reliable, air-cooled, 4-stroke engine with a CDI ignition system. And its restricted, though Im not sure if its the CDI box. Which scooter should I start out with. also how would I go about finding an unrestricted CDI? ), Honda ruckus, Yamaha zuma. Im really stuck with trying to find solution and its getting really frustrating how I cant overcome this stupid problem. Either way, Im swaying towards this as being the problem due to it never excelling past 7.5-8 thou revs! Hey Shaun, Yes, this sounds like the gears are too short! Use an impact wrench to do this. The CDI (Capacitor Discharge Ignition) is a black piece of electronics that handles the ignition process of the scooter. what manifold do i need to buy? Best get in touch with your manufacturer or your local scooter shop and ask them if derestricting your engine has an affect on your warranty. They are incompatible with other engines on the market and therefore less attractive for Western tuning companies. There are heavy fines and you might loose your license when getting caught or involved in an accident! Hi Dylan, Unfortunately Honda makes their very own engines just for their scooters. 2. You take the quartz from your cdi and solder it onto this device, that then gets soldered to the original quartz posts. 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. Does it take a while on the straight from standing before the engine picks up on speed and starts revving higher? minimal damage to seat, fairings, etc but also dmg to air filter, was virtually hangin off where the piping exits the filter heading towards the carb. 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. I noticed that the variator roller weights are pretty . I have a 125cc honda Aero, currently it goes around 45-50. Will they need to do any carby adjustments, upsizing the main jet etc ? Please Please Please Send all like links to the supplied e-mail address !!! Besides the discussed stock restrictions below there are other restrictions possible that allow you riding a scooter with a drivers license it was originally not designed for. There are some bigger engine scooters with restrictions but it is very untypical for them to be restricted. I assume it is a used scooter, therefore I would check these things first: Hi Daniel, I have a lexmoto lsm 50 with a 90cc big bore kit I have changed the main jet to a 105 that was recommended by a motorcycle shop and have changed the cdi to a full power one but the bike still tops out at 30 mph is there any other ways of restricting it I can look for. If there is no direction you can point me in then maybe you know of other bikes that match the specs of the TS so I can look their manuals and vids up instead? By doing those few things you will have an extremely noticeable increase in power. 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!! Rev the engine up slowly and check if at some point the engine stops revving for no reason. Loosen the bolt and pull the pin and you can remove the kickstart from the scooter. 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. Thanks Lee. I have a couple in mind already, but heres what I want. 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 ? I dont speak very well English, and I was wondering if you can help me, my moped is a Honda vision 50 cc 4 stroke. Unfortunately after a long-long time checking here and there, trying to find an unrestricted CDI for my scooter I couldnt even find any info not only about that but also about my engine in general. nothing illegal in racing besides the unburnt fuel fume coming out the pipe smells terrific and thats what were after. They usually require the purchase of an unrestricted part or considerable amount of modification. 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 :-/. Best, Daniel, Are there washers on the needle valve that can be moved around to increase speed. This is the intake stroke. It is attached to the system by a pin that is tightened into place with a small bolt. There is two things you can do: 1. You can also find variator rings in some engines! The Ruckus is a dope scooter, tho the engine is unfortunately not so great You can look for the general restrictions like carburator and variator ring and remove it, tho the most people go fo an engine swap and use a GY6 150cc china engine. 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. All Piaggio engines are the same, therefore if the exhaust doesnt fit, its probably for a different engine Although the Stage6 have shown some horrible quality control in the past with their China goods Anyways, get in touch with the dealer and ask for a replacement. 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. 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. 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. Also make sure that youre main jet is choosen correctly. Still, keeping the rear pulley well lubricated is essential. Ps that should have been a post not a reply?! Pull the old muffler off of the exhaust system. 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. Thats what I meant by being unable to modify them yourself :) 2. 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. I dont understand how a carburetor can get to much air. Do you have any tips for me on how to derestrict it and/or improve performance. Please note: It is not possible to derestrict the CDI by yourself. Any advice or info on what I should do to increase my scooters performance especially for the annoying hills would be appreciated. In theory, it would be possible to black-box reverse-engineer a clone of CDIs based on oscilloscope traces. 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. We empower you to efficiently solve each new challenge and make your life better and easier. However the top speed of the vehicle needs to be restricted to 25km/h to be compliant. Hi, would a geared bike have front pulleys and if so where would they be. 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. 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. . P.S. The X-PRO 150cc Adult Moped is everything you could want in a fun, reliable, and compact gas-powered scooter. Listen, thanks man anyway. 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. Alternatively it is also possible to buy unrestricted exhaust manifolds (e.g. To stroke an engine, a tuner relocates the big-end bearing further outboard on the crank halves. Variator weights are so light, that the given engine speed does not produce enough g-fore to pull the variator plates together. how DO you tell a chink bike from a jap? This is why statements about higher top []. Hi i want to derestrict my 2 stroke 50cc scooter it is a Honda Hero Winner. Im looking to get into customising mopeds but would like to find out some information as to what the restrictions are in German. 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. A catalyst has to operate at a high temperature to perform in its intended way. After doing the above jobs i still noticed no further top end addition, although i did solve the bogging issue through the acceleration range. And yes, China Scooters aint so good, a Piaggio or Japanese model is certainly less of a hassle :-/, Im curious, also. would this be a good or bad idea. Does it rev up cleanly or are there problems? Replacement mufflers are universal depending on how large your scooter's engine is, not necessarily on the make and model of the scooter. If you choose to make all of the potential alterations available to you, they could improve your four stroke's top speed by five to ten miles per hour. cheers james. Any tips would be appreciated, cheers colin. Examples for these parts are: electronically limited CDIs, diameter restricted inlet manifolds and increased length exhaust manifolds. they all look the same! Lexmoto, Sym, Sinnis, Direct Bikes, Keeway, Kymco etc 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? Step 1 Drill holes into your Elite's intake or remove the intake entirely, to increase the airflow into your engine. I covered about one third of the rubber intake tube opening with tape to duplicate the restriction of the air box. It does not affect speed or performance. Removing the variomatic ring is difficult as the variomatic is sitting on the crankshaft which spins when trying to unscrew the nut. 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. Do you know much about where the restrictions in these lie and how id go about removing them? What exhaust are you running with the 90cc kit? I ride around the University of Florida and would like just a little more acceleration and speed. In some states, 50cc scooters that can travel over 30mph must be registered as larger class motorcycles. I could take on any car on stoplights before, now I feel like Im bogging down the traffic Any idea what may be wrong? Out at half throttle anybody know why. Even though its tempting, the use of piston stoppers should be avoided. Get an unrestricted CDI if the scooter wont go faster, even downhill. 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. Detach the kickstart from the variator system. The carburator is responsible for supplying a mix of petrol and air to the cylinder. This is done by pressing down on the pedal as hard as you can while the scooter is still moving. 2-4 are very unusual. If you continue to use this site we will assume that you are happy with it. 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. Mine has a top speed of 35mph/56kph. 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). Russell. The Primavera 50 is a 50cc engine powered by a 4.1 horsepower four-stroke engine with a top speed of about 40 MPH. Hi G, Sorry only now saw your comment. 40mph would be great! Continutul cosului. Following your guide I have now removed the variator ring, and looked for the exhaust restriction on the Leo Vince Touring, but it was not present. Have a look whats hooked up to the battery and the stock cdi. Weve derestricted by buying the modded cdi,when opening up to full throttle it only revs up to 9000 rpm then backs down to 8000 and keeps alternating between the two,you can get past it by adjusting how much throttle you give it but if you give it too much it bogs. If you know of any CDI for my scooter (IF its CDI restricted ofc) PLEASE link it, I live in Europe btw. [] RicambiMoto2000.it Ricambi e accessori per scooter e moto. In most cases derestricting the scooter not only improves the performance of the engine it also allows it to perform better, longer. Can you get a vespa lx50 derestricted or something to make it faster. Any help would be so welcome. Throttle opening and air supply restrictions are often found on scooter carburators in order to restrict performance. Thanks so much for your comment! Certainly too heavy rollers. Maybe the problem is much more with the cdi. The little clip you can find on the needle is for adjusting the fuel / air ratio. Under inflated tires will slow your scooter down significantly. Seems it is scooter with max speed 25km/h. at 12mm the mainjet should be 55 or 60! Drill holes anywhere on outer wall of the intake. This page has stopped me dead in my tracks and made me re-evaluate everything i thought i knew about scooters! I mean bike is only 3yrs old, and has more than likely never bin changed, which begs the question of the longevity of belts? Does anyone know what restrictions are on the Lexmoto vienna 50cc. Removing this washer requires minimal mechanical know-how and few tools. The airbox is relatively small and can be tuned but it is not necessary if you keep your engine stock and just want to derestrict it! Compare the pressure with the max cold PSI number written on the sidewall of the tire. I know that writing articles is boring and time consuming. Am lookin into buyin an unrestricted one at the mo, seems a lot of people buyin em on eBay an buyin the wrong ones. Hi Daniel. What do you think about derestricting the engine? These restrictions are not stock and therefore need to be installed by the vendor of the scooter. His work has appeared in The Penn, The Antithesis, New Growth Arts Review" and Deek magazine. The problem Im having when I crank it up and rev it up fast it cuts off and I idle it and it still doing it. I had to push the frakin thing up to a lesser incline the shame. Hi Daniel, I just had a read of your de restriction page and it was very helpful. 50cc Scooters and up.. 125cc Scooters and up.. 250cc Scooters and up.. 2 Stroke Scooters. My highest was 45 and that was down hill. Over the next days/weeks I will explain the basics of scooter tuning, starting with simple improvements like derestrict a 50cc scooter and later going deeper into engine tuning concepts like flowing or changing the engine timings. Hi just wondering if you can give me some advice on how to tune my speedfight 1 50cc it has 70cc kit but reaching 45 max Thanks. Your CDI is restricted and does not allow to exceed a certain rpm (VERY COMMON ON CHINESE SCOOTERS) 2. More fresh air in the mix increases the temperature during the ignition process. 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. The kickstart is attached to the variator system by a small . 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. Currently the scooter has had the carby rejetted and some sort of derestriction on the stock exhaust by the previous owner. 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 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. Welcome to Part 1: How to derestrict a 50cc scooter. It can be removed when disassembling the silencer. The Chinese all use CDI restricted Minarelli clones. 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. 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? 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. What should I check/change/adjust next? Have a look at our articles section. The carb restriction is a big piece of plastic that prevents the carb to open completely. It features 12-inch cast-aluminum rims with five paired spokes. Have you received a list of what was done in detail? The new muffler can be installed by reversing the order. Cold-blooded. so, bore big drown the engine and only necessary dwarf pipe hail brute force !!! If you want to derestrict in disguise you can weld the dummy pipe back onto the exhaust on top of the washer :). You will be getting the same kind of power that you would typically get from a 2-stroke 50cc motor. You can drill or poke holes into the intake with any size drill bit or awl, as it is non-rigid plastic. They can break the piston, cylinder head and even damage the crank shaft when too much force is applied. Swap out your scooter's current muffler. Removing the glue will take forever and I think it is unlikely that you are able to free the circuit without breaking it. 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. The only parts acceptable to remove from an air filter are diameter restricting nozzles as pictured below. 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.
Kickboxing Dayton Ohio, Did Questlove Leave The Tonight Show, New Restaurant Germantown, Worst Streets In Rochester, Ny, Articles H