4. The Yamaha Minarelli engines have a dummy pipe and a variator ring applied, similar to the Piaggio 2 Strokes. 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! Ideally have someone to help you holding it in place. 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. Either by air intake or by not allowing the full opening of the throttle. Derestricting your 4-stroke 50CC scooter is an accomplishable task with the right tools and know-how. Hi Russell, Those newer 4St Minarellis all have a CDI restriction applied. I need help. 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. Whilst it does not directly restrict engine speed it is still recommended to remove the catalyst when tuning a scooter. Thanks for the quick reply.No other changes made other than the cdi.The air filter is stock and the main jet is 90,we tried an 80 and it made it worse. Not sure if this cost-per-part-to-solder issue is true for simpler devices, though. ring previously removed, no slider openin ress, no carb air supply ress, intake manifold size unchecked as further reading required. Cheap replacement manifolds can be found on eBay for around 15. Basically, tiles are placed on a surface and the spacing in between tiles is filled using a powder called grout. The bike starts and ticks over and runs at low revs OK but when I give it a hand full of throttle it bogs down and backfires. There really isnt much else out there, than the described restrictions! 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 ? Hey Daniel, Do you have any ideas/tips on how to derestrict a 2016 Lance Cabo 50? I can just be sittin on it not touchin a thing an the rev needle will raise to 2k 2.2k then drop either back to or below 1.8k and bounce about like this almost constantly, but only while idol. Samuel Hamilton has been writing since 2002. At JCosta we are specialists in performance elements for scooters always ensuring a correct functioning and the integrity of your vehicle. 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. Its normally more expensive to use more packages, even if the total cost of the chips is more. This scooter is a reliable, air-cooled, 4-stroke engine with a CDI ignition system. 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). If its whiteish, its too lean and needs a bigger jet! You should lower the weight of the rollers! 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. Hello all. Dont wanna make the same mistake! It usually is about 5mm thick. also how would I go about finding an unrestricted CDI? Will a bigger carb make my bike faster? 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. Your info is great, got a taotao just to run food for the stray cats,(deh Florida). Tho, even without the restriction, those new 4st engines are made for fuel efficiency rather than high speeds, so dont expect too much :-/, Hi I just bought a 2010 kymco super 8 50 2t I enjoy it but it tops out at 25mph is there any advice you could give me to increase the mph to at least 40. i have a gilera ice 50, ive recently bought a stage 6 exhaustm which should have fit on my ped, but the mainfold where i join them together are 90 degrees out? Hi, I have a yamaha YN50 neos 49cc 2011 4 STROKE scooter. And where does it sit? Petrol is poisonous and causes cancer. 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. You need initial traffic only. I suggest to not modify the air filter or cut out parts. This can be accomplished by either drilling holes into the air intake (located above the variator case) or by removing the intake altogether. Brought to you by Leaf Group Step 1 Detach the kickstart from the variator system. This also means that all installed and replaced parts are yours. http://www.mopo.fi/ajoneuvot.php?ajn=21&merkki=3, http://www.youtube.com/watch?v=vP7OnJZGcCc, http://www.jincheng-global.com/zdw3.asp?prmo=JC50QT-20&tyno=A&ptty=A02, How To Maintain A Scooter | TuningMatters.com, http://www.youtube.com/playlist?list=PLmezqKXGAxLu-w1_5a7uPFAfijn4dffvX, , How Fast Is 50cc and 125cc? I found some circuit diagrams of CDIs on an image search and they seem pretty simple. Step 1 Disassemble the air box and remove the filter. you mentioned You cant modify them yourself. Hi Adam, Great engine, lots of parts available for it. We're always willing to return your call if you have questions. Pretty sure it has the blind pipe on it. Rollers Not sure what you mech meant, but you need the right rollers for your enigne configuration. These can be assumed safe to remove without affecting the life time of an engine. Is the CDI the only restriction i should worry about? Thank you! Now to find out why its not charging my bets on the almost constant rain that weve been receiving lately. Abbigliamento, Caschi e Accessori Moto. Hi, would a geared bike have front pulleys and if so where would they be. 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? This can be accomplished by either drilling holes into the air intake (located above the variator case) or by removing the intake altogether. I have had a problem with the auto choke as the bike is hard to start and does not rev slightly higher when first started but seems ok when it warms up. Welcome to Part 1: How to derestrict a 50cc scooter. Thanks for the information dont have the money right now but its useful to plan with. Whether you need to fix, build, create or learn, eHow gives you practical solutions to the problems life throws at you. Your manual will indicate the engine size, and the mechanic or salesperson will show you the range of muffler options. The air supply restriction is very simple to find. More fresh air in the mix increases the temperature during the ignition process. 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 wrote this article with the goal, of having a complete overview about the different forms of restrictions applied to 50cc engines nowadays. Ive built many engines in past years Cars Twin turbo 300zx, Corvettes, Porsche v8 928s4 etcand crotch rockets as well as dirt bikes. will lube the pulley. Thanks in advance. This is just a general note and depends on your scooter model. Cold-blooded. 3. There's a quartz on a chip like in a watch that limits the rpms to 8750 (39mph for Japan). These can only be replaced by buying a shortened exhaust manifold. LIST: Peugeot Speedfight 50cc, Keeway f-act 50cc, Aprilia sr50cc (ditech? 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. I wrote to Racing planet but they do not support this bike. What kind, where, how many etc). 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. I can perhaps get a hardly noticeable increase in power if I use a little (manual) choke. Count the teeth on the front cogwheel and and get 1 size bigger one (means one more tooth there). I noticed that the variator roller weights are pretty . I see what you mean now bout the CDI modification or lack of. These are the good restrictions. List of questions still remain unanswered tho! Welding a washer onto the hole should do the job. Idle Speed This needs to be adjusted when the engine is warm. Maybe 0.5-0.8g less! The diameter restriction is often found on street legal after market exhausts (Stage6 Replica, Yasuni Z, LeoVince, Tecnigas, etc.). You should be happy that it goes 35. The intake manifold needs to be replaced when using a bigger carburator. 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. Either way, Im swaying towards this as being the problem due to it never excelling past 7.5-8 thou revs! And to increase the speed of your electric scooter, all you need to do is replace the battery with a higher voltage one. 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. Tho, it might be that the engine is really just crap and wont go faster even tho its derestricted. How to make electric scooter faster? | Step By Step Guide They usually require the purchase of an unrestricted part or considerable amount of modification. Best 49cc Scooters: FAST and Durable Models [2023] - Inboard Skate For the more advanced tile enthusiasts, having tile nippers, tile cutters and trowels would be good. cheers james. Alter the variator system by removing the restricting washer underneath the front pulley wheel. A catalyst has to operate at a high temperature to perform in its intended way. Hi Kimmy, Nice, this sounds good! They are incompatible with other engines on the market and therefore less attractive for Western tuning companies. Shopping Cart. How Fast Can a 50cc Scooter Go? | ElectroMobiler Best Gas Scooters For Adults (Review & Buying Guide) in 2023 - The Drive - Request assistance from the technical team, - Terms and conditions of sale and returns -. If not done correctly the engine might overheat and can be heavily damaged. 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. you seem like a smart guy and i have faith in you! Here is my questioni dont understand how removing the air box will cause the engine to bog down bad It wont take the gas like it did with the restrictive air box Im stumped.I placed a piece of tape over the intake that connected to the air box and that fixed the problem. Archivi Products Biondi Accessori. . Most important is the wiring diagrams tho, as the loom i have for it is seperate from the bike and has wires that are cut and need replacing! It reaches 45 on the flat (even with the variator restriction), but will slow to under 20 on even a moderate gradient. Any advice or info on what I should do to increase my scooters performance especially for the annoying hills would be appreciated. Please note: It is not possible to derestrict the CDI by yourself. E.g. In addition, it can compromise the integrity of our engine for a use for which it was not manufactured. I have ready that changin the main carb valve for a 60 valve is a good option. You can drill or poke holes into the intake with any size drill bit or awl, as it is non-rigid plastic. The Chinese all use CDI restricted Minarelli clones. Is it accelerating quickly, or super slow? Hi G, Sorry only now saw your comment. What carb is it? 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. 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. TBH, if I was to do this properly, Id use a PLL with the appropriate timing diagrams to design a CDI. 50cc scooters are built to offer limited speed and range. The resulting hole in the exhaust needs to be closed. Fuel ignites with the help of air, so the more clean air that flows into the engine the more combustion you'll get. Do you know much about where the restrictions in these lie and how id go about removing them? 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 ? ) Compare the pressure with the max cold PSI number written on the sidewall of the tire. 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. There are some other exhaust restrictions. 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! 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 (? Hi, Im Daniel I write this blog and love scooters! You will then remove each pulley wheel by unscrewing the centre bolt holding them in place. Hi, Its really difficult to find information about your scooter. ( I noticed you mentioed Here in Germany ) And was hoping you could tell me where I can find out information regarding what is or isnt legal in German ? We could say that it is the equivalent of changing the carburetor, but for an injection motorcycle. There are 24 to 48-voltage batteries available in the market. 2. hi daniel, I have an aprilia Rx50 2009 model and when accelerating down a hill after 40mph it will not accelerate anymore could this be the CDI restricting it? Still, keeping the rear pulley well lubricated is essential. I mean bike is only 3yrs old, and has more than likely never bin changed, which begs the question of the longevity of belts? Whilst running & idol my revs wont sit still. The belt is too narrow. It is true that, in terms of performance, a 4-stroke scooter will gain between 1hp or 2hp. I have cleaned the carb before I re-fitted it, cheers colin. Maybe the problem is much more with the cdi. P.S MOT last week showed no indication of pulley trouble, or anything else for that matter! Get an unrestricted CDI (apparently the stock CDI is limited). 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). It wont even get up hills, yet alone drive at dangerous speeds! Hi! On a stock carb (12mm) it should be about 60-65 for a stock engine with a sport exhaust, unless you have modified anything else! This is due to some restricting parts not allowing the engine to perform as it is was designed to. You have to have a longer and hotter spark to ensure the entire Air Fuel mixture gets combusted. 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. Have a look at our derestriction article to read more about this [], No further news to add as of yet altho did hit 50mph yesterday in the liverpool tunnel (down hill) on my nifty ;). Can you please, please, please give me any info about my bike and how to get rid of this restriction? Sure, I can reach 60kph now, but getting to 40kph is a pain. Another exhaust restriction can sometimes be found in the exhaust silencer of aftermarket exhausts (Yasuni). Thanks Lee. Thats one thing they have in common with US companies cost-price analysis. Many thanks! as is the carb. Unfortunately high temperatures should try to be avoided when increasing performance (increasing temperatures equal a loss of energy into heat). Best Overall. 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. Hi, This sounds a bit odd. 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. I had to push the frakin thing up to a lesser incline the shame. 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. Got any tricks? 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. thanks shaun. This is why motherboards on PCs have one big chip for 90% of functionality (in addition to RAM/CPU/other modular parts). The CDI (Capacitor Discharge Ignition) is a black piece of electronics that handles the ignition process of the scooter. Currently the scooter has had the carby rejetted and some sort of derestriction on the stock exhaust by the previous owner. There are different reasons why scooters are having restrictions applied. There are different ways to improve the performance of a 125cc 4-stroke motorcycle. You can remove old mortar with the chisel and hammer method also. I have cleaned the carb out but I have not changed the main jet or the piece that connects the carb to the engine. Continutul cosului. 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. 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. New spark plug wouldnt hurt neither! 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. NONE of this explains to me why the belt is not traveling fully up the vario and so allowing the bike to reach its intended potential, or maybe im just missing something thats staring me right in the face and i just dont know to look for it yet? 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!! 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. There might even be a second limiter indtalled! Detach the kickstart from the variator system. 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.