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Examples for these are variomatic rings, exhaust dummy pipes and carburetor opening restrictions. But there are a lot of variables here that affect belt life. How Can I Make My Stock Exhaust Sound Deeper? At JCosta we are specialists in performance elements for scooters always ensuring a correct functioning and the integrity of your vehicle. This should do the job! The Piaggio Injection models utilize a restricted CDI. 55+MPH 50cc mods - ProBoards any info on this would be helpfull, i am mechanically minded. Derestricting your 4-stroke 50CC scooter is an accomplishable task with the right tools and know-how. Base your decision on your performance desires. Thank you. Daniel, I have a new Italkit 70cc cylinder kit for a Aprilia Morini engine. The Primavera 50 is a 50cc engine powered by a 4.1 horsepower four-stroke engine with a top speed of about 40 MPH. Hey Daniel, unfortunately, you dont have a clue what is going on there, so here it is: High temperatures, of course, can not be avoided, be it in engine or exhaust, be it stock scooter or not. What also helps most likely is installing slighlty lighter vario sliders. cheers james. Shopping Cart. lol in all seriousness, though, best of luck at you next inspection. Bought it @ 150. 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. A 50cc two stroke that can get a minimum of 40-45 mph with minimum work (ie, simple derestricting). 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. Your scooter is electronically limited through the cdi. After doing the above jobs i still noticed no further top end addition, although i did solve the bogging issue through the acceleration range. I can perhaps get a hardly noticeable increase in power if I use a little (manual) choke. Here's an easy way to understand how an engine creates power. It can be removed when disassembling the silencer. The new posts are unique and pass the copyscape test. 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. For example some stock exhausts use a very long exhaust manifold that decreases the gas flow and therefore resulting in reduced performance. Trikes. }:). Thanks in advance Martin. 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)? Currently the scooter has had the carby rejetted and some sort of derestriction on the stock exhaust by the previous owner. Mostly the complex air routing of air filter increases filtering performance therefore allowing the engine to perform well under any conditions (be it a heavy monsun in India or a sandstorm in the desert). Do you know what engine it has? The diameter restriction is often found on street legal after market exhausts (Stage6 Replica, Yasuni Z, LeoVince, Tecnigas, etc.). A catalyst has to operate at a high temperature to perform in its intended way. This can be accomplished by either drilling holes into the air intake (located above the variator case) or by removing the intake altogether. Removing this washer requires minimal mechanical know-how and few tools. These can be assumed safe to remove without affecting the life time of an engine. There are some bigger engine scooters with restrictions but it is very untypical for them to be restricted. Can you take a photo of it? Basically, tiles are placed on a surface and the spacing in between tiles is filled using a powder called grout. It also has a hydraulic caliper at the front that chomps down on a 200 mm disc. Hi, I live in Spain and my 50cc scooter has just failed its test because it goes too fast :)) There doesnt seem to be a single article to tell me how to restrict it. It is not limited CDI as I have run 91-92k rpm at over 50mph. I would go with 1. and buy an unrestricted CDI. How to derestrict a 50cc Scooter - TuningMatters.com There are different ways to improve the performance of a 125cc 4-stroke motorcycle. Fuel consumption usually increases but in some cases can be lower or remains the same. Drill holes anywhere on outer wall of the intake. Is driving with a derestricted CDi bad for the scooter in anyway? The only thing that happens is that it allows to rev the engine higher. 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. 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! You can make your four stroke scooter faster by installing a number of products or making one of a handful of aftermarket alterations. The rear pulley acts weirdly and doesnt fully close, hence does not allow the belt to travel all the way up. 90 on a stock engine is way too big! I see what you mean now bout the CDI modification or lack of. 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. The ring also grinds into the aluminium of the variomatic over time causing it to break. Fast vehicles are dangerous. 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? Would this simply be a case of wear-an-tear? 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! If your electric scooter comes with a 24-volt battery, you can find a 48-volt replacement and plug it into the scooter to make it run faster. All-in-all. Id increa the mainjet then by 5-10 numbers! I own a TGB Bullet RS. Your manual will indicate the engine size, and the mechanic or salesperson will show you the range of muffler options. Hey mate, i have a 110cc Honda Benly. Am lookin into buyin an unrestricted one at the mo, seems a lot of people buyin em on eBay an buyin the wrong ones. Many thanks! Unfortunately high temperatures should try to be avoided when increasing performance (increasing temperatures equal a loss of energy into heat). 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. Top of the range in every sense really! Unlike with the stock restrictions, these custom restrictions are explained in detail in your operating license. Out at half throttle anybody know why. I cant find much on this scooter so i know nothing about it. Ive asked the shops about the CDIs, and they are saying it doesnt work with the Bullet RS. Can you please, please, please give me any info about my bike and how to get rid of this restriction? The carburator is responsible for supplying a mix of petrol and air to the cylinder. But I believe you should replace after every 10.000km. As said in my email, you probably received the wrong exhaust. The resulting hole in the exhaust needs to be closed. Alter the variator system by installing aftermarket variator pulleys. whats the carburator size? what jetsize do you currentlt have installed? ;), 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. This is the intake stroke. 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. 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. It has a Minarelli 50cc engine. What parts are installed? For example, mufflers for 50cc scooters can be installed on any 50cc scooters. Air filters come in different colors, such as yellow, red or white. Hi Daniel. I just cant wrap my head around a carb getting to much air Really Lol Thanks. 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. How to derestrict a 50cc Scooter TuningMatters.com. 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). This will cut down on wind resistance. The belt is too narrow. Throttle opening and air supply restrictions are often found on scooter carburators in order to restrict performance. so, bore big drown the engine and only necessary dwarf pipe hail brute force !!! just read the article and reverse engineer the restrictions. 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. I am new here. Thank you! I wrote this article with the goal, of having a complete overview about the different forms of restrictions applied to 50cc engines nowadays. These restrictions are not stock and therefore need to be installed by the vendor of the scooter. Honda Elite 80 Specs and Review Road Sumo 50cc scooters are available in two . 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. This hose is needed to keep the catalyst clean. There are some tuners in Japan that make products for Honda engines but rather for the newer models (Dio, Zoomer, etc). Hi Kimmy, Nice, this sounds good! However, this will not make your scooter faster, but only allow it to rev higher. 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. They are incompatible with other engines on the market and therefore less attractive for Western tuning companies. The alterations and products available have the potential to increase your average speed by one to three miles per hour each. Welding a washer onto the hole should do the job. 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. Your info is great, got a taotao just to run food for the stray cats,(deh Florida). 3. Whats the best 50cc moped to derestrict for acceleration and top speed thanks. 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. Youd probably need to increase your gear ratio if you want higher top speeds! 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. X-Pro 150cc Moped SEE IT. Thanks so much for your comment! I see that you dont update your page too often. Hi Theodor, Sorry for the late reply. Have a look whats hooked up to the battery and the stock cdi. 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. If you want to derestrict in disguise you can weld the dummy pipe back onto the exhaust on top of the washer :). 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. Hi, would a geared bike have front pulleys and if so where would they be. They usually require the purchase of an unrestricted part or considerable amount of modification. 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. On the other hand the manufacturer wants to build engines that perform well in terms of acceleration. I have cleaned the carb before I re-fitted it, cheers colin. All that happens will be, that you simply break it. Does anyone know what restrictions are on the Lexmoto vienna 50cc. Hi, I have a friend who just unplugged the cdi( black box in battery area if the name is wrong) and just uses his kick start and it worked for him, will this work for all models or only certain ones. REAR PULLEY There is a squealing noise coming from around the rear wheel when I initially start up and pull away, the same noise as you sometimes hear on a car as it pulls away, but i might have mistakenly put this down to the brake needing to be replaced, although the brake has poor stopping distance! It currently does 87kmh but it can only do 62kmh max to pass the test. I suggest to not modify the air filter or cut out parts. Continutul cosului. Thanks Lee. Pretty sure it has the blind pipe on it. Increase the air flow to the engine. They practically could be made entirely from mechanical devices like cams no ICs and only a few switches (transistors/SCRs). Some allow riding a scooter without a drivers license and others have multiple different licenses for various engine sizes. And yes, China Scooters aint so good, a Piaggio or Japanese model is certainly less of a hassle :-/, Im curious, also. How To Make A 50cc Scooter Faster (5 Easy & Free Methods) The safest way to block the crankshaft is to buy the special blocking tool. Be careful when modifying the air filter box. Fastest 50cc Scooter in 2020 | The Adrenaline Buff Never even considered opening it up and by-passing the restriction, which is, im guessing, the mod youre talkin bout!? When reassembling the variomatic the crankshaft nut should be secured using Loctite (medium) or a similar threadlocking adhesive. The carburator needs to be adjusted according to the amount of air it is processing. It features 12-inch cast-aluminum rims with five paired spokes. This is the compression stroke. How can I make my 4 stroke, 50cc yamaha vino a bit faster? In order to comply with various speed limit laws for scooters the manufacturer needs to ensure that the scooter does not go faster than the allowed speed in the country it is sold. 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. Complicating the issue further still are derestrictions and modifications. It usually is about 5mm thick. also how would I go about finding an unrestricted CDI? Your content should go viral. I noticed that the variator roller weights are pretty . Look for the common restrictors as outlined in the article and if its a 4st model look for an unrestricted CDI. 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. 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). I covered about one third of the rubber intake tube opening with tape to duplicate the restriction of the air box. The easiest way to remove the catalyst of your scooter is to replace the stock exhaust with an aftermarket model. Now to find out why its not charging my bets on the almost constant rain that weve been receiving lately. 3. Archivi Products Biondi Accessori. Any tips would be appreciated, cheers colin. Different countries have different laws. In most cases, the connecting rod is shortened the same distance that the big end bearing is moved. Can you give me some idea about Scooter vespa LX50 4T, engene code C389M. On the other hand when derestricting the engine it should always be ensured to setup the carburetor accordingly. When buying an already restricted scooter make sure to receive all the parts needed to derestrict the scooter again. The filter is one of the cheapest components of a 125cc motorcycle but one of the most important. Hope this helps! Please be a little more specific as to the type of modification(s) and the reason(s) why. 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. 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. Which parts are necessary to buy to tune up the engine? Piaggio for example gives full warranty when derestricting the scooter through a certified vendor/repair shop. I dont know the differences in performance between the two but he was on a 2 stroke compared to my 4. In the case of the Spanish territory, you should know that a person with a B license (3 years old) or with an A1 license is limited to drive a motorcycle up to 125cc and 11kW, which translated to horsepower is 15hp, with a weight/power ratio of 0.1 kW/kg. Continutul cosului. How to get massive traffic? The easiest way to remove the catalyst of your scooter is to replace the stock exhaust with an aftermarket model. Many riders will derestrict their 50cc motorbikes and install performance parts to increase their top speeds. This is just a general note and depends on your scooter model. Even though its tempting, the use of piston stoppers should be avoided. 4. Usually when scooters are restricted to 25kmh there are additional restrictions over the factory restrictions in place! If it revs higher than 8000rpm you're don't have a restricted CDI in place. Rev the engine up slowly and check if at some point the engine stops revving for no reason. The Chinese all use CDI restricted Minarelli clones. Get an unrestricted CDI (apparently the stock CDI is limited). These devices follow some kind of voodoo for the average person kind of like the old AC/Heater timer controllers about 25 years ago. How to make electric scooter faster? | Step By Step Guide Open up the variator system, remove the front pulley wheel and pull the washer off of the front pulley rod by hand. I have a 125cc honda Aero, currently it goes around 45-50. before i noticed this i was getting a good 45mph [Level Road], after i noticed i made a judgement call to seal it best i could til can afford new one, so when fully sealed max mph is reduced to 30-33 [LR]. Dont wanna make the same mistake! 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. more to follow. ( 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 ? Tho, it might be that the engine is really just crap and wont go faster even tho its derestricted. Have you tried going downhill? It is simple to operate with its easy electric . This is possibly the thread with the worst advice on here right now, so I'll chime in. Hi Daniel, I just had a read of your de restriction page and it was very helpful. 4. I need help. you mentioned You cant modify them yourself. 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. In theory, it would be possible to black-box reverse-engineer a clone of CDIs based on oscilloscope traces. I believe that I have a restricted CDI. 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. 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. Im really stuck with trying to find solution and its getting really frustrating how I cant overcome this stupid problem. What other ways do Chinese manufactures do to restrict RPM and performace. cant find any info anywhere. Is it only nessesary to change this if I am adding a performance exhaust?? Any help would be so welcome. Been a bit busy here recently 1. Almost all China engines have the limited CDI installed. What exhaust are you running with the 90cc kit? Its been hard to get thia restricted but I am getting there. And where does it sit? Piaggio engines usually have the dummy pipe and the variator ring applied. 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).
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