Scooter mechanic here. 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. 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.
Tuning a 4 Stroke Scooter - YouTube You will find a lot of information on those on my site :), I have found that on Tao Tao Scooters and Roketa, as well as most other Chinese scooters too; that removing the black plastic plate between the cylinder head and intake manifold greatly increases the power of the scooter, that combined with removing the air box, blocking off the emissions system with a vacuum cap on the intake manifold, replacing the main jet with a #95 jet and installing a UNI Filter is a cheap and extremely effective way of getting tons more power out of your engine. Is it going faster downhill? This can be accomplished by either drilling holes into the air intake (located above the variator case) or by removing the intake altogether. This should do the job! Hope these 50cc scooter upgrades help you make your scooter faster. We use cookies to ensure that we give you the best experience on our website. Step 2 Open up the variator system. However, sometimes the manifold is even to small for the stock carburator. What do you think about derestricting the engine? Fuel consumption usually increases but in some cases can be lower or remains the same. After numerous attempts to set the carb idol screw to bout 1,800 revs (1.8k) which is just enough to stop me mirrors vibrating and the thing takin off whilst stationary, it just keeps on fluctuating. It is a NH 125 Honda engine. 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. The Piaggio Injection models utilize a restricted CDI. Quieter and Reliable. Also, removing catalyst from exhaust is illegal. I currently have the pdf manuals: 1) Suzuki TS125 Service Manual 2) Yamaha_DT200_97(4AN8) [french version], And am watching the videos @: 1) http://www.youtube.com/playlist?list=PLmezqKXGAxLu-w1_5a7uPFAfijn4dffvX, The manuals are useless but the videos, altho for the YZ125, show me the basics. 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. Thats what I meant by being unable to modify them yourself :) 2. 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). Thus, look for the usual Minarelli restrictions and get an unrestricted CDI! This is why motherboards on PCs have one big chip for 90% of functionality (in addition to RAM/CPU/other modular parts). Normally unrestricting doesnt require any settings changes at all, so you should be good to go. Unfortunately high temperatures should try to be avoided when increasing performance (increasing temperatures equal a loss of energy into heat).. Hi, Its really difficult to find information about your scooter. The cooler alternative imho is to swap with a Minarelli 50cc engine as its 2-Stroke, but thats just me :). Will replace with new one anyway for DIRECT comparison for future reference.
How to derestrict a 4 stroke | eHow UK cheers for the info on the springs makin the noise, wouldnt have bin able to diagnose that myself.
Now to find out why its not charging my bets on the almost constant rain that weve been receiving lately. Tho, you need special hardware to do this, like a dremel and grinders. Hi mate I have a Kawasaki j125 limited edition abs and would like to gain a bit more power I have a arrow exhaust full system on it already its a 66plate and done 3000 miles what can I do to my bike to get more power out of it without do I g damage to the engine, I must say you have very interesting articles here. Your local scooter shop (if its a good one) should know what adjustments need to be done after derestricting the engine. This is often contradictory to the speed limit requirement as fast accelerating scooters also reach high top speeds. Does it raise the reed valves? Step 1 Drill holes into your Elite's intake or remove the intake entirely, to increase the airflow into your engine. Again, you get no performance boost if you take out the catalyst and let unburnt fuel pollute the air that we breath, instead of getting it burned in the catalyst. This will cut down on wind resistance. Mine has a top speed of 35mph/56kph. Examples for these parts are: electronically limited CDIs, diameter restricted inlet manifolds and increased length exhaust manifolds. Hey mate, i have a 110cc Honda Benly. I currently have a 2016 50CC TaoTao (chinese).
Any ideas? We could say that it is the equivalent of changing the carburetor, but for an injection motorcycle. This is probably somewhere around 7-800rpm. Thank you! The new muffler can be installed by reversing the order. How to Make a Honda Vision Moped Go Faster. Be careful when modifying the air filter box. Removing the catalyst from the exhaust is much more difficult as the exhaust needs to be cut open and after removal welded together again. 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. Once the variomatic nut is removed simply take out the ring that is sitting in between the two pulleys. Lexmoto, Sym, Sinnis, Direct Bikes, Keeway, Kymco etc The alterations and products available have the potential to increase your average speed by one to three miles per hour each. It should be cut off as close to the manifold as possible. whats the carburator size? Piaggio engines usually have the dummy pipe and the variator ring applied. I can perhaps get a hardly noticeable increase in power if I use a little (manual) choke. Many thanks! Any insight would be appreciated as I cant seem to find a legit answer anywhere! Best, Daniel.
50cc Scooter Performance Parts However, this will not make your scooter faster, but only allow it to rev higher.
2-Stroke vs 4-Stroke Scooters - Pros & Cons! 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. There might even be a second limiter indtalled! I covered about one third of the rubber intake tube opening with tape to duplicate the restriction of the air box. 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. Can you please, please, please give me any info about my bike and how to get rid of this restriction? 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 also means that all installed and replaced parts are yours. I have searched on ALOT of websites, and i havent found a single derestricted CDI for my Bullet RS. by removing it or even simply filing the nylon part away i found the carb butterfly opened fully and not half way as previously. 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. Time to go on the hunt! Increase the air flow to the engine. 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. Have you tried going downhill? In order to remove the dummy pipe simply cut off the pipe with a handsaw or a micro grinder. Another way to speed up your scooter is to adjust the gears. 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. The new page will be a lot easier to navigate and community features will be much improved. Here, just the thinner air does a number on your effective HP. 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. Got any tricks? There are heavy fines and you might loose your license when get caught or involved in an accident! Ensure wearing gloves and dont breath in the petrol gases when working on the carburator. Honda engines are often carburator restricted. All-in-all. The kickstart is attached to the variator system by a small . The Garage. 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. You should lower the weight of the rollers! I have cleaned the carb before I re-fitted it, cheers colin. The little clip you can find on the needle is for adjusting the fuel / air ratio. 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. I see what you mean now bout the CDI modification or lack of. 2. To stroke an engine, a tuner relocates the big-end bearing further outboard on the crank halves. They can break the piston, cylinder head and even damage the crank shaft when too much force is applied. However the top speed of the vehicle needs to be restricted to 25km/h to be compliant. Derestricting a scooter makes it faster and therefore more dangerous to ride. Attach a windshield to the handlebars of your scooter. Thanks shaun. Is your airfilter clean? 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?! Out at half throttle anybody know why. Also, run some carb cleaner through the carb and clean the air filter. Im too keen about increasing the performance of my scooter. Please Please Please Send all like links to the supplied e-mail address !!! 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. 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. This scooter is a reliable, air-cooled, 4-stroke engine with a CDI ignition system. X-Pro 150cc Moped SEE IT. 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. Its normally more expensive to use more packages, even if the total cost of the chips is more. When reassembling the variomatic the crankshaft nut should be secured using Loctite (medium) or a similar threadlocking adhesive. On the other hand the manufacturer wants to build engines that perform well in terms of acceleration. What parts are installed? 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. By doing this I increased the top speed with roughly 7mph to 32mph. 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. 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. In most cases derestricting the scooter not only improves the performance of the engine it also allows it to perform better, longer. you mentioned You cant modify them yourself. Please be a little more specific as to the type of modification(s) and the reason(s) why. Can you tell me if its possible to increase the speed. Id like some help on how to get the moped to reach higher speeds. Anyway the engine still bogs down after the initial acceleration, in fact it has the opposite of the very sharp 2 stroke acceleration I was used to with my previous 96 Piaggio. }:). 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. 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? []. TBH, if I was to do this properly, Id use a PLL with the appropriate timing diagrams to design a CDI.
How to make my 125cc scooter faster? | JCosta Your content should go viral. Hello all. The carburator needs to be adjusted according to the amount of air it is processing. The easiest way to remove the catalyst of your scooter is to replace the stock exhaust with an aftermarket model. Im really stuck with trying to find solution and its getting really frustrating how I cant overcome this stupid problem. And where does it sit? It is one of the most technical parts of an engine. 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. These are bolt on solutions and cost only about 20-30Euros. And to increase the speed of your electric scooter, all you need to do is replace the battery with a higher voltage one. I appreciate it that you like it so much. . Parabrezza Givi 288A + A5602A Piaggio Typhoon 50-125 (11-14) moto. Currently the scooter has had the carby rejetted and some sort of derestriction on the stock exhaust by the previous owner. I have noticed you dont monetize your blog, dont waste your traffic, you can earn extra cash every month. any info on this would be helpfull, i am mechanically minded. Swap out your scooter's current muffler. Hi, I have an aprillia area 51 which you hav probs seen, they are quite a big moped for a 50cc, 100kg dry weight. The resulting hole in the exhaust needs to be closed. Continutul cosului.
How to check if your Scooter CDI is restricted 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. it is very easy to slow a machine down. They are incompatible with other engines on the market and therefore less attractive for Western tuning companies. Throttle opening and air supply restrictions are often found on scooter carburators in order to restrict performance. I just finished re-porting the cylinder for a bit more hp. 4. There are some other exhaust restrictions. Assuming i dont derestrict anything else. I could take on any car on stoplights before, now I feel like Im bogging down the traffic Any idea what may be wrong? Open up the variator system, remove the front pulley wheel and pull the washer off of the front pulley rod by hand. 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 :). 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. i believe the vario roller weights need increasing is this correct and to what sort of weight ? How to de-restrict/de-limit a 50cc Euro 4 GY6 (Chineese) moped. On the other hand when derestricting the engine it should always be ensured to setup the carburetor accordingly. That is a 4 stroke, and it's Chinese. Your info is great, got a taotao just to run food for the stray cats,(deh Florida). If we decide to do any tuning mods, well have to look into Colorados rules and if we need to get a MC designation on our licenses. According to my official papers the engine is NS-50F. 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. A bigger carburetor alone will not make your bike go faster. Hope this helps! Simply grind off the small welding spot that hold the restriction in place and it can be easily removed. 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. Hi Richard Is that a 4st or 2st model? What also helps most likely is installing slighlty lighter vario sliders. 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. Is there any chance that the cdi is running a weird program? No, sorry. i dont have any money to use to upgrade it or buy parts otherwise i would buy a new one that goes faster. They are a good investment and can be used for carburators up to 21mm diameter in size. His work has appeared in The Penn, The Antithesis, New Growth Arts Review" and Deek magazine. Dont wanna make the same mistake! Those usually come with a variator ring, and a deadpipe on the exhaust. This is done by pressing down on the pedal as hard as you can while the scooter is still moving. Drill holes anywhere on outer wall of the intake. - 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.