- 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 should I check/change/adjust next? I have tested the auto choke by wiring it to a 12v battery and it seems to work ok (gets warm and extends out by 5-10mm) but I am not sure how far it should go back in when cold do you think this has anything to do with the problem, cheers colin. Some also come with a variator ring and the carburator air intake restriction! 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. Fuel consumption usually increases but in some cases can be lower or remains the same. This modification is more often done for aesthetics and sound than for performance, but if you are looking to increase a little the performance of the bike without modifying anything mechanically and also give another look to your scooter, this is your option. hi Daniel, the air cleaner has been cleaned I have not changed the jetting at all its the same as when it left the factory ( if I have to change the main jet do I go bigger or smaller ? ) 1. Lexmoto, Sym, Sinnis, Direct Bikes, Keeway, Kymco etc I just cause traffic everywhere i go and in South Africa that is not a good thing. I have Peugeot Speedfight 3 2012 plate, and it does not run over 30-32MPH and it extremely irritating because when within the limit I want to go faster. By doing this I increased the top speed with roughly 7mph to 32mph. It also has a hydraulic caliper at the front that chomps down on a 200 mm disc. Alter the variator system by removing the restricting washer underneath the front pulley wheel. A bigger carburetor alone will not make your bike go faster. Examples for these are variomatic rings, exhaust dummy pipes and carburetor opening restrictions. If you want to derestrict in disguise you can weld the dummy pipe back onto the exhaust on top of the washer :). However, it is a lot quieter, more reliable, and significantly more fuel-efficient. In theory, it would be possible to black-box reverse-engineer a clone of CDIs based on oscilloscope traces. I really struggle for information about my 4 stroke Yamaha aerox 2015. Samuel Hamilton has been writing since 2002. 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. The Chinese all use CDI restricted Minarelli clones. Thats one thing they have in common with US companies cost-price analysis. This is just a general note and depends on your scooter model. 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. Unfortunately high temperatures should try to be avoided when increasing performance (increasing temperatures equal a loss of energy into heat).. This also means that all installed and replaced parts are yours. Hi i want to derestrict my 2 stroke 50cc scooter it is a Honda Hero Winner. Thats what I meant by being unable to modify them yourself :) 2. 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 (? 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. One is to induce a turbo. This makes it easier to find and remove the restrictions. Piaggio for example gives full warranty when derestricting the scooter through a certified vendor/repair shop. Removing the variomatic ring is difficult as the variomatic is sitting on the crankshaft which spins when trying to unscrew the nut. It is attached to the system by a pin that is tightened into place with a small bolt. Disengage the kickstart from the variator system. Most stock exhaust feature a dummy pipe on the exhaust manifold whereas restricted after market exhausts have a little diameter restriction welded into the down pipe. Ive asked the shops about the CDIs, and they are saying it doesnt work with the Bullet RS. Compare the pressure with the max cold PSI number written on the sidewall of the tire. 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. 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. Also have a look for the exhaust restirctions. There are different ways to improve the performance of a 125cc 4-stroke motorcycle. I noticed that the variator roller weights are pretty . What exhaust are you running with the 90cc kit? 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!! Hi Marco, The Honda 4 Stroke engines are not restricted in the common way. Im certain it has to do with the mainjet. It is one of the most technical parts of an engine. My sons got a Lexmoto lsm 50. I see what you mean now bout the CDI modification or lack of. the top speed is 58kmh,can you give me some suggestion to improve the engine performance? To stroke an engine, a tuner relocates the big-end bearing further outboard on the crank halves. Have a look on eBay for the proper blocking tools available for your scooter. Maybe 0.5-0.8g less! I could take on any car on stoplights before, now I feel like Im bogging down the traffic Any idea what may be wrong? cheers james. We're always willing to return your call if you have questions. Time to go on the hunt! 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 have a 125cc honda Aero, currently it goes around 45-50. 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. The new posts are unique and pass the copyscape test. Thanks. This means that the manifold at its smallest point needs to have a diameter of at least 12mm as well. Apparently they are built for maximum fuel efficiency and to not go faster than 30mph. We empower you to efficiently solve each new challenge and make your life better and easier. Derbi has Minarelli engines I believe. Those usually come with a variator ring, and a deadpipe on the exhaust. This page has stopped me dead in my tracks and made me re-evaluate everything i thought i knew about scooters! Hi, No, usually the stock mainjet is ok for derestricting. 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). TBH, if I was to do this properly, Id use a PLL with the appropriate timing diagrams to design a CDI. Have you done it? Parabrezza Givi 288A + A5602A Piaggio Typhoon 50-125 (11-14) moto. Your local scooter shop (if its a good one) should know what adjustments need to be done after derestricting the engine. When the catalyst exhaust is being replaced this hose should be removed and the hole in the engine block closed. Air filters come in different colors, such as yellow, red or white. No, sorry. 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. It is a NH 125 Honda engine. Hi Nigel, Its actually the other way around. Just purchase an unrestricted one for 50Euros and everything will be ok! Search for: Murgrabias tools go viral. 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. Do you have any tips for me on how to derestrict it and/or improve performance. What parts are installed? and where to buy them at. Hi Bryan, Congrats on the purchase :) Most Asian scooters have a restricted CDI, which means they wont go faster, even when going downhill. When buying an already restricted scooter make sure to receive all the parts needed to derestrict the scooter again. Another way to speed up your scooter is to adjust the gears. 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. Also make sure that youre main jet is choosen correctly. 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. Hey Daniel, Do you have any ideas/tips on how to derestrict a 2016 Lance Cabo 50? would this be a good or bad idea. Id increa the mainjet then by 5-10 numbers! Hi, This sounds a bit odd. Im too keen about increasing the performance of my scooter. Now although his nifty is noticeably smaller in size to mine, Im having to push myself off when starting up even the smallest of inclines, my god i went to my grandmothers the other day an she lives on a fairly steep hill an as i was leaving i couldnt even get the bike to move up hill with me on it! The safest way to block the crankshaft is to buy the special blocking tool. One of the advantages of installing a performance variator on our scooter is that we can modify the performance according to our needs. Your manual will indicate the engine size, and the mechanic or salesperson will show you the range of muffler options. I bet most bikes use AC CDIs for example. Step 1 Disassemble the air box and remove the filter. If so, then the rollers are too heavy. The throttle opening restriction prevents the rider to open the carburator completely. There are some other exhaust restrictions. When the air/petrol mix supply is restricted the engine cannot perform at its full power. Surely, the Chinese bike companies would know which is most cost-effective. I suggest to not modify the air filter or cut out parts. Help just had clutch to bits on piaggio nr3 now engine cuts. BELT (default width = TBA)(verified width = TBA) never thought about it being too narrow?! Im really stuck with trying to find solution and its getting really frustrating how I cant overcome this stupid problem. I know that writing articles is boring and time consuming. I have searched on ALOT of websites, and i havent found a single derestricted CDI for my Bullet RS. When reassembling the variomatic the crankshaft nut should be secured using Loctite (medium) or a similar threadlocking adhesive. 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. 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. 5. make your Scooter Faster by Inducing a Turbo There are a few tricks you can try to make your scooter go faster. Though i didnt think to check if the idle had settled at the time, regardless the problem is still there, Please forgive my naivety in the next sentence, its just the way i was brought up, Im in no way racist but. And to increase the speed of your electric scooter, all you need to do is replace the battery with a higher voltage one. 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. 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! I appreciate it that you like it so much. 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?! It features 12-inch cast-aluminum rims with five paired spokes. You will be getting the same kind of power that you would typically get from a 2-stroke 50cc motor. Whilst running & idol my revs wont sit still. 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. Did I say funny? 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. . 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. Hi Adam, Great engine, lots of parts available for it. Piaggio engines usually have the dummy pipe and the variator ring applied. Dont wanna make the same mistake! 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. How does the bike feel. On the other hand the manufacturer wants to build engines that perform well in terms of acceleration. 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. I currently have a 2016 50CC TaoTao (chinese). 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. Can you give me some idea about Scooter vespa LX50 4T, engene code C389M. You will then remove each pulley wheel by unscrewing the centre bolt holding them in place. Is it going faster downhill? 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 little clip you can find on the needle is for adjusting the fuel / air ratio. It is an old scooter and it comes out of the hole hard esp when the clutch is cold. 2. Could I run the scooter without a thermostat or would you not recomend doing that. The resulting hole in the exhaust needs to be closed. 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. 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 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 mean bike is only 3yrs old, and has more than likely never bin changed, which begs the question of the longevity of belts? Your content should go viral. Hi! Use an impact wrench to do this. Im now wondering if it could be the pulley making this noise due to some kind of interference. I covered about one third of the rubber intake tube opening with tape to duplicate the restriction of the air box. Swap out your scooter's current muffler. Best, Daniel, Are there washers on the needle valve that can be moved around to increase speed. My parents got me a scooter just because Im not licensed to ride motorbikes. Install lighter ones and acceleration will be fine again. The carburator needs to be adjusted according to the amount of air it is processing. The ring also grinds into the aluminium of the variomatic over time causing it to break. This is done by pressing down on the pedal as hard as you can while the scooter is still moving. 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. Out at half throttle anybody know why. Thank you for recommending the page and I hope to see you on TuningMatters.com 2.0! 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. p.s i have a full bike licsence and also have a VFR800 slightly faster than the neos. The scooter most likely has a variator ring installed. It currently does 87kmh but it can only do 62kmh max to pass the test. 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. However the top speed of the vehicle needs to be restricted to 25km/h to be compliant. They are a good investment and can be used for carburators up to 21mm diameter in size. 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? I ride around the University of Florida and would like just a little more acceleration and speed. what i have read and further more what i understand, so far makes some sense. These devices follow some kind of voodoo for the average person kind of like the old AC/Heater timer controllers about 25 years ago. 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. Can you please, please, please give me any info about my bike and how to get rid of this restriction? 3. 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). Now to find out why its not charging my bets on the almost constant rain that weve been receiving lately. And its restricted, though Im not sure if its the CDI box. thanks shaun. Tho, it might be that the engine is really just crap and wont go faster even tho its derestricted. Is there any chance that the cdi is running a weird program? Top of the range in every sense really! 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? 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. I have cleaned the carb out but I have not changed the main jet or the piece that connects the carb to the engine. 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). Filed Under: Performance Tagged With: faster , mod , modifications , modify , performance , racing , speed , top speed , torque , upgrade Im bout oleo the vriator racing weight to this model,Do you think i have done it correctly ? It might be the case that your gears are simply to short and you need to install longer ones! Hey, I have a taotao racer and idk which wire to pull to derestrict it if you can text me@ 302-272-2012. 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. You have to have a longer and hotter spark to ensure the entire Air Fuel mixture gets combusted. I call it this as youve just clarified every issue Ive been having over the past few months [as a newbie] whilst trying to de-restrict / re-tune my own nifty50! The rear pulley acts weirdly and doesnt fully close, hence does not allow the belt to travel all the way up. 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. 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). 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. 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. Is the rev increasing then? [] mph). . These are bolt on solutions and cost only about 20-30Euros. These can only be replaced by buying a shortened exhaust manifold. Your scooter is electronically limited through the cdi. Simply grind off the small welding spot that hold the restriction in place and it can be easily removed. I am new here. The variomatic ring restriction prevents the engine transmission from reaching its maximum gear ratio, thus limiting the top speed of the engine. Whats the jetting like? 2-4 are very unusual. I cant find much on this scooter so i know nothing about it. i just personally think they look and i think it would look cool to putt around town on. Does it take a while on the straight from standing before the engine picks up on speed and starts revving higher? They usually require the purchase of an unrestricted part or considerable amount of modification. There is an article on how to build a mid race engine and an article about which parts match with what! I wrote to Racing planet but they do not support this bike. Ive built many engines in past years Cars Twin turbo 300zx, Corvettes, Porsche v8 928s4 etcand crotch rockets as well as dirt bikes. Any advice or info on what I should do to increase my scooters performance especially for the annoying hills would be appreciated. You basically need an oscillator, a way to control its speed, a way to control duty, and advance phase(advance timing in ECU terms)? Fast vehicles are dangerous. You can use the best adsense alternative for any type of website (they approve all websites), for more details simply search in gooogle: boorfes tips monetize your website. The restriction definitely does not lie in the front pully wheel because there is no restrictive washer in there, i have checked. I have a 2013 Honda Ruckus and I was wondering if derestricting it is possible and is it worth it? ;), 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. Does anyone know what restrictions are on the Lexmoto vienna 50cc. Hey Shaun, Yes, this sounds like the gears are too short! Honda engines are often carburator restricted. Which scooter should I start out with. 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. more to follow. Unlike with the stock restrictions, these custom restrictions are explained in detail in your operating license. 90 on a stock engine is way too big! 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. You should lower the weight of the rollers! I have a 98 Yamaha that is dangerously slow going up any sort of hill. 5. There are heavy fines and you might loose your license when get caught or involved in an accident! What other ways do Chinese manufactures do to restrict RPM and performace. are there other black boxes? Does it rev up cleanly or are there problems? No, usually not. You cant modify them yourself but they are fairly cheap (about 30-40 euros). Best Overall. Some allow riding a scooter without a drivers license and others have multiple different licenses for various engine sizes. How to derestrict a 50cc Scooter TuningMatters.com. Scooter Dealers, The Good and The Bad. Have you received a list of what was done in detail? Is driving with a derestricted CDi bad for the scooter in anyway? The air supply restriction is very simple to find. There are different reasons why scooters are having restrictions applied. duncanville high school football coaching staff,