Ensure wearing gloves and dont breath in the petrol gases when working on the carburator. will lube the pulley. You can make your four stroke scooter faster by installing a number of products or making one of a handful of aftermarket alterations. 50cc Scooters and up.. 125cc Scooters and up.. 250cc Scooters and up.. 2 Stroke Scooters. 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 carburator is responsible for supplying a mix of petrol and air to the cylinder. To avoid that the restriction piece falls into the manifold when grinding you should build a hook out of some wire and secure its position. would this be a good or bad idea. The electronically limited CDI is one of the few restrictions that does not affect the overall engine performance over time. the top speed is 58kmh,can you give me some suggestion to improve the engine performance? 3. Your scooter is electronically limited through the cdi. 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. Here, just the thinner air does a number on your effective HP. Fuel ignites with the help of air, so the more clean air that flows into the engine the more combustion you'll get. Abbigliamento, Caschi e Accessori Moto. Hi Richard Is that a 4st or 2st model? They come with a speed restricted engine that lets you touch a maximum of 30mph or 48kmph. 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. Drops in idle are often related to dirt in the carb. The restriction definitely does not lie in the front pully wheel because there is no restrictive washer in there, i have checked. It is a NH 125 Honda engine. Simply grind off the small welding spot that hold the restriction in place and it can be easily removed. many ways to do that. 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. It is simple to operate with its easy electric . Removing the glue will take forever and I think it is unlikely that you are able to free the circuit without breaking it. Listen, thanks man anyway. 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. 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. Now to find out why its not charging my bets on the almost constant rain that weve been receiving lately. This is just a general note and depends on your scooter model. Derestricting the scooter will increase performance considerably allowing for a much faster acceleration and also a higher top speed (usually about 75km/h). The carburator needs to be adjusted according to the amount of air it is processing. Many riders will derestrict their 50cc motorbikes and install performance parts to increase their top speeds. Seems it is scooter with max speed 25km/h. You can also find variator rings in some engines! Please be a little more specific as to the type of modification(s) and the reason(s) why. Its been hard to get thia restricted but I am getting there. 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). 1. Hi! Hi Russell, Those newer 4St Minarellis all have a CDI restriction applied. ), Honda ruckus, Yamaha zuma. This scooter is a reliable, air-cooled, 4-stroke engine with a CDI ignition system. After doing the above jobs i still noticed no further top end addition, although i did solve the bogging issue through the acceleration range. However, it is a lot quieter, more reliable, and significantly more fuel-efficient. 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. 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. They can break the piston, cylinder head and even damage the crank shaft when too much force is applied. P.S MOT last week showed no indication of pulley trouble, or anything else for that matter! Does it raise the reed valves? The intake is attached to the scooter by two or three bolts, usually with two attached to the underside of the rear wheel well and one attached to the variator case. Is your airfilter clean? I had to push the frakin thing up to a lesser incline the shame. Any tips would be appreciated, cheers colin. I have noticed you dont monetize your blog, dont waste your traffic, you can earn extra cash every month. In most cases, the connecting rod is shortened the same distance that the big end bearing is moved. This should do the job! I believe that I have a restricted CDI. By doing those few things you will have an extremely noticeable increase in power. 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. There are heavy fines and you might loose your license when get caught or involved in an accident! In addition, it can compromise the integrity of our engine for a use for which it was not manufactured. A derestricted CDI is not a problem at all. Removing the restriction does not require any welding. You should lower the weight of the rollers! What other ways do Chinese manufactures do to restrict RPM and performace. The little clip you can find on the needle is for adjusting the fuel / air ratio. Quieter and Reliable. For example here in Germany we have a very popular license class that allows riding 50cc mopeds with the age of 15 already. If you fail to do this you are wasting speed and horse power. I tried fitting the old Aprilia thermostat into the Italkit cylinder head and it fit, but when I tried to put it together I noticed that the thermostat is too long to fit into the cylinder and let the head seal to the cylinder. thanks shaun. Another exhaust restriction can sometimes be found in the exhaust silencer of aftermarket exhausts (Yasuni). Hi Daniel, The bike runs the same whether I fit the standard CDI or the unrestricted CDI. 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?! 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. 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. The intake manifold needs to be replaced when using a bigger carburator. But did you know that there is a tool that allows you to create new posts using existing content (from article directories or other blogs from your niche)? A catalyst has to operate at a high temperature to perform in its intended way. It is true that, in terms of performance, a 4-stroke scooter will gain between 1hp or 2hp. I would go with 1. and buy an unrestricted CDI. 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. 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. And yes, China Scooters aint so good, a Piaggio or Japanese model is certainly less of a hassle :-/, Im curious, also. UNBURNT so, of course there is no loss of energy. Unscrew the fastening bolts located near the connect point between the exhaust pipe and the muffler. A 125 2 stroke might go faster but the 125 4 stroke should top out around 60 to 65 but will not last very long without a lot of work if you run it at those speeds. Im bout oleo the vriator racing weight to this model,Do you think i have done it correctly ? It can be divided into three groups: This can be covered quickly as I only know about the catalyst applied to exhausts. Pretty sure it has the blind pipe on it. The new muffler can be installed by reversing the order. what jetsize do you currentlt have installed? 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. My parents got me a scooter just because Im not licensed to ride motorbikes. How to derestrict a 50cc Scooter TuningMatters.com. 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? You will then remove each pulley wheel by unscrewing the centre bolt holding them in place. However the top speed of the vehicle needs to be restricted to 25km/h to be compliant. ;), 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. If not done correctly the engine might overheat and can be heavily damaged. The 150cc, air-cooled, 4-stroke engine is . Im really stuck with trying to find solution and its getting really frustrating how I cant overcome this stupid problem. 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. I can perhaps get a hardly noticeable increase in power if I use a little (manual) choke. 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. 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. cheers james. What kind, where, how many etc). Maybe 0.5-0.8g less! Some catalyst exhausts have a hose connected to the transmission housing (Piaggio). ive just derestricted my sx1 and its capable of 90km the only problem is it wont pull off the line. This is probably somewhere around 7-800rpm. ;). 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. Got any tricks? We're always willing to return your call if you have questions. I was curious whether or not i should apply to a light bike/motorcycle frame, to get that kind of bobber or kikker look. Thanks Lee. how DO you tell a chink bike from a jap? To stroke an engine, a tuner relocates the big-end bearing further outboard on the crank halves. []. If you aren't, sell it and buy a reputable brand's 2 stroke, it'll automatically be peppier and easy to hop up. Hi Matus, It seems like the garage replaced the rollers with heavier ones? I dont have the money to pay a workshop so would appreciate a little advice. How Can I Make My Stock Exhaust Sound Deeper? you mentioned You cant modify them yourself. it is very easy to slow a machine down. Russell. Complicating the issue further still are derestrictions and modifications. Can you get a vespa lx50 derestricted or something to make it faster. Increase the air flow to the engine. 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. BELT (default width = TBA)(verified width = TBA) never thought about it being too narrow?! You can remove old mortar with the chisel and hammer method also. Hello Daniel! Would this simply be a case of wear-an-tear? There are heavy fines and you might loose your license when getting caught or involved in an accident! have you done any other changes besides the CDI? Shopping Cart. Pull the old muffler off of the exhaust system. p.s i have a full bike licsence and also have a VFR800 slightly faster than the neos. Alter the variator system by removing the restricting washer underneath the front pulley wheel. Out at half throttle anybody know why. Hope this helps! Its normally more expensive to use more packages, even if the total cost of the chips is more. P.S. There are some bigger engine scooters with restrictions but it is very untypical for them to be restricted. Mine has a top speed of 35mph/56kph. Some also come with a variator ring and the carburator air intake restriction! All that happens will be, that you simply break it. 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. This can be accomplished by either drilling holes into the air intake (located above the variator case) or by removing the intake altogether. It can be removed when disassembling the silencer. This can be accomplished by either drilling holes into the air intake (located above the variator case) or by removing the intake altogether. 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. Look for the common restrictors as outlined in the article and if its a 4st model look for an unrestricted CDI. What would you recommend for me to just tuned it up a little bit more.? Hi i want to derestrict my 2 stroke 50cc scooter it is a Honda Hero Winner. Will replace with new one anyway for DIRECT comparison for future reference. Compare the pressure with the max cold PSI number written on the sidewall of the tire. At JCosta we are specialists in performance elements for scooters always ensuring a correct functioning and the integrity of your vehicle. 50cc scooters are available in two . Hello all. you seem like a smart guy and i have faith in you! 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. Archivi Products Biondi Accessori. It usually is about 5mm thick. 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?
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