Thats what I meant by being unable to modify them yourself :) 2. Petrol is poisonous and causes cancer. I suggest to not modify the air filter or cut out parts. The Naraku ones from Racing Planet are cheap and good! Hi, No, usually the stock mainjet is ok for derestricting. it is very easy to slow a machine down. Maybe the problem is much more with the cdi. Also, run some carb cleaner through the carb and clean the air filter. How to make my 125cc scooter faster? | JCosta Ensure wearing gloves and dont breath in the petrol gases when working on the carburator. 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. 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. If you aren't, sell it and buy a reputable brand's 2 stroke, it'll automatically be peppier and easy to hop up. Help just had clutch to bits on piaggio nr3 now engine cuts. so it wont join as the holes for the bolts need to be moved round? I currently have a 2016 50CC TaoTao (chinese). However, it is a lot quieter, more reliable, and significantly more fuel-efficient. I just finished re-porting the cylinder for a bit more hp. Hi Bryan, Congrats on the purchase :) Most Asian scooters have a restricted CDI, which means they wont go faster, even when going downhill. Thank you very much. Bought it @ 150. It is attached to the system by a pin that is tightened into place with a small bolt. Ultimately it is best to get a 70cc kit and some matching exhaust. i believe the vario roller weights need increasing is this correct and to what sort of weight ? 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? Along with that I will also explain which parts should be installed first when starting tuning a scooter and which ones need to be replaced when getting more serious. They follow a pretty simple (and thus easy to identify) formula, obviously. 5. You will be getting the same kind of power that you would typically get from a 2-stroke 50cc motor. The exhaust restriction is applied to most scooters and can be easily removed. On the other hand the manufacturer wants to build engines that perform well in terms of acceleration. If you continue to use this site we will assume that you are happy with it. 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. 2015 TuningMatters.comConcept and Development Daniel-Klose.com. Hi just wondering if you can give me some advice on how to tune my speedfight 1 50cc it has 70cc kit but reaching 45 max Thanks. These can be assumed safe to remove without affecting the life time of an engine. Altogether I recommend to get another (newer) scooter model as tuning parts for these old Hondas are very expensive if you can find any at all :-/. Shopping Cart. Ive got a 1984 honda nh125 / 1999 af28 dio you will have to see it to get what I mean but the problem is for me that it is only getting up to 1/2 the speed that the specks say it can reach and thats after having a few aftermarket parts can you help please. how DO you tell a chink bike from a jap? All-in-all. Especially the main jet might need to be increased to comply with the higher engine revenues and the increased amount of fresh air supply. It usually is about 5mm thick. 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. I ride around the University of Florida and would like just a little more acceleration and speed. If you want to derestrict in disguise you can weld the dummy pipe back onto the exhaust on top of the washer :). This is probably somewhere around 7-800rpm. Its normally more expensive to use more packages, even if the total cost of the chips is more. Russell. 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. 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. I was looking here, for info just to get the bike performing to the levels it would in a higher-pressure, warmer climate, with a lack of hills with 10% inclines. Best, Daniel, Are there washers on the needle valve that can be moved around to increase speed. 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. Those restrictions from the manufacturer are kind of funny in Colorado. It is one of the most technical parts of an engine. 2ndly do you know of any other restrictions? The following restrictions can be found on pretty much every scooter sold nowadays and can be split into two categories: Whats meant by added parts? 3. Use an impact wrench to do this. 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. Look for the common restrictors as outlined in the article and if its a 4st model look for an unrestricted CDI. Do you have any idea, how to make this scooter faster? If you are looking for an inexpensive scooter by a well-known manufacturer that can get you around smoothly, then this JLQT-14 gas-powered scooter may be the one for you. My moped is from 2012 please let me know as soon as possible. The air supply restriction is very simple to find. No risk for engine damage or anything! Pull the old muffler off of the exhaust system. Complicating the issue further still are derestrictions and modifications. 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. I know that writing articles is boring and time consuming. 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. 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. Whether you need to fix, build, create or learn, eHow gives you practical solutions to the problems life throws at you. Removing the catalyst from the exhaust is much more difficult as the exhaust needs to be cut open and after removal welded together again. However the top speed of the vehicle needs to be restricted to 25km/h to be compliant. You can try squeezing out a bit more by modifying the stock airfilter. 1. Step 2 Open up the variator system. Peace-out! You can remove old mortar with the chisel and hammer method also. thanks guys. Hi! the top speed is 58kmh,can you give me some suggestion to improve the engine performance? 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. 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. 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. Unlike with the stock restrictions, these custom restrictions are explained in detail in your operating license. 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). Cart. The panel says its restricted to 30 And my question is that i would like to increases the speed more than 30, at least to 40 because going up the hill it goes to 20, and when I am caring one bag of shopping its more slow. It wont even get up hills, yet alone drive at dangerous speeds! Thanks so much for your comment! The Primavera 50 is a 50cc engine powered by a 4.1 horsepower four-stroke engine with a top speed of about 40 MPH. 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. The rear pulley acts weirdly and doesnt fully close, hence does not allow the belt to travel all the way up. I have a couple in mind already, but heres what I want. This hose is needed to keep the catalyst clean. The diameter restriction is often found on street legal after market exhausts (Stage6 Replica, Yasuni Z, LeoVince, Tecnigas, etc.). 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! Hi Daniel, I just had a read of your de restriction page and it was very helpful. Hi ,daniel ,I have a yamaha neos yn50 2 stroke,I have put a q-tre sports exhaust on will I have to put a different jet size on carb the one I have on is size 60. size 60 should be ok. Maybe size 65 check the spark plug! 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 :). 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. Been a bit busy here recently 1. Another exhaust restriction can sometimes be found in the exhaust silencer of aftermarket exhausts (Yasuni). If its whiteish, its too lean and needs a bigger jet! I have noticed you dont monetize your blog, dont waste your traffic, you can earn extra cash every month. the variator ring actually damage the variator over time. Is the rev increasing then? How to Make My Honda Elite Scooter Go Faster | It Still Runs Im certain it has to do with the mainjet. 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). Thanks in advance Martin. Welding a washer onto the hole should do the job. Hey mate, i have a 110cc Honda Benly. 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. Here's an easy way to understand how an engine creates power. Unscrew these bolts to remove the intake entirely. 3. Check your rear tyre's pressure with a tire gauge. Have you done it? The new muffler will enable your scooter's engine to expel exhaust faster and cleaner, allowing more air to enter the engine during fuel combustion. Whilst running & idol my revs wont sit still. For the more advanced tile enthusiasts, having tile nippers, tile cutters and trowels would be good. Be it rust, damage, lack of lubrication, or something else??? It is not limited CDI as I have run 91-92k rpm at over 50mph. We're always willing to return your call if you have questions. 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?! UNBURNT so, of course there is no loss of energy. 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. Could it be the same OM cdi with built in speed limiter? Fast vehicles are dangerous. Any ideas? Apparently they are built for maximum fuel efficiency and to not go faster than 30mph. 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? The CDI (Capacitor Discharge Ignition) is a black piece of electronics that handles the ignition process of the scooter. Hope this helps! They are a good investment and can be used for carburators up to 21mm diameter in size. I have ordered new cdi (602882M083), changed it, but without any change, the same speed -max25/km/h. 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? P.S. I dont know the differences in performance between the two but he was on a 2 stroke compared to my 4. 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. Great website. Throttle opening and air supply restrictions are often found on scooter carburators in order to restrict performance. It also has a hydraulic caliper at the front that chomps down on a 200 mm disc. 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. Many riders will derestrict their 50cc motorbikes and install performance parts to increase their top speeds. 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. Step 1 Drill holes into your Elite's intake or remove the intake entirely, to increase the airflow into your engine. Open up the variator system, remove the front pulley wheel and pull the washer off of the front pulley rod by hand. This can be accomplished by either drilling holes into the air intake (located above the variator case) or by removing the intake altogether. Maybe 0.5-0.8g less! 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). How to check if your Scooter CDI is restricted A limiter within the carburator blocks the movement of the slider. you mentioned You cant modify them yourself. Please Please Please Send all like links to the supplied e-mail address !!! Fuel ignites with the help of air, so the more clean air that flows into the engine the more combustion you'll get. The carb restriction is a big piece of plastic that prevents the carb to open completely. 4. 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! I have a 125cc honda Aero, currently it goes around 45-50. The cooler alternative imho is to swap with a Minarelli 50cc engine as its 2-Stroke, but thats just me :). Belt Belt life depends more on the usage raher than the age. The Yamaha Minarelli engines have a dummy pipe and a variator ring applied, similar to the Piaggio 2 Strokes. After doing the above jobs i still noticed no further top end addition, although i did solve the bogging issue through the acceleration range. Different countries have different laws. No, sorry. Thank you! There's a quartz on a chip like in a watch that limits the rpms to 8750 (39mph for Japan). Do you know much about where the restrictions in these lie and how id go about removing them? . Thank you for the information combined in such a nice article! These can only be replaced by buying a shortened exhaust manifold. When reassembling the variomatic the crankshaft nut should be secured using Loctite (medium) or a similar threadlocking adhesive. How to get massive traffic? 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. Hi Daniel. Hi, It is actually a Chinese scooter, not a Japanese. 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. It has a Minarelli 50cc engine. Im now wondering if it could be the pulley making this noise due to some kind of interference. 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. ;). The scooter brakes through the 140 mm drum-type brake at its rear. I need help. 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. What kind, where, how many etc). Simply remove the limiter and you will be able to fully open the slider. 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? The belt is too narrow. 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. I have ready that changin the main carb valve for a 60 valve is a good option. If it needs a CDI then please tell me which one to get and where from. 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. Be careful when modifying the air filter box. Thanks Shaun. Youd probably need to increase your gear ratio if you want higher top speeds! Time to go on the hunt! These are the most common restrictions applied to scooters nowadays and probably the main reason why you are reading this post. A bigger carburetor alone will not make your bike go faster. Thanks. Hi Daniel, Thanks for the interesting article. LIST: Peugeot Speedfight 50cc, Keeway f-act 50cc, Aprilia sr50cc (ditech? Count the teeth on the front cogwheel and and get 1 size bigger one (means one more tooth there). These restrictions are not stock and therefore need to be installed by the vendor of the scooter. I have a 98 Yamaha that is dangerously slow going up any sort of hill. Ideally have someone to help you holding it in place. it would explain in some manner why there is absolutely on acceleration to speak of when taking off on the damn thing, compared to other niftys Ive rode that take off as fast as a bra in a strip club. The alterations and products available have the potential to increase your average speed by one to three miles per hour each. cheers james. 2. Usually when scooters are restricted to 25kmh there are additional restrictions over the factory restrictions in place! The easiest way to remove the catalyst of your scooter is to replace the stock exhaust with an aftermarket model. They usually require the purchase of an unrestricted part or considerable amount of modification. 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. My sons got a Lexmoto lsm 50. 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 ? You will need to buy a new one here. 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!! If you are looking to enhance your scooter enter our store and find all the components of the highest quality for your model at the best price. Certainly too heavy rollers. Base your decision on your performance desires. I wrote to Racing planet but they do not support this bike. 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. Top of the range in every sense really! 50cc 4 Stroke De-Restriction, Euro 4 GY6/New Type Scooter - YouTube Thank you. The X-PRO 150cc Adult Moped is everything you could want in a fun, reliable, and compact gas-powered scooter. 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. My highest was 45 and that was down hill. Tho the stock engine wont have the power to rev higher by default. The scooter most likely has a variator ring installed. If so, then the rollers are too heavy. Unfortunately high temperatures should try to be avoided when increasing performance (increasing temperatures equal a loss of energy into heat). What other ways do Chinese manufactures do to restrict RPM and performace. 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. Fastest 50cc Scooter in 2020 | The Adrenaline Buff Your manual will indicate the engine size, and the mechanic or salesperson will show you the range of muffler options. Drill holes anywhere on outer wall of the intake. 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. Also, would cdi box benefit me or no. Best Overall. 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. 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. Hi Matus, It seems like the garage replaced the rollers with heavier ones? There are heavy fines and you might loose your license when get caught or involved in an accident! If there is no distance ring between the two vario plates and the belt does not reach the top, this could have several reasons. This also means that all installed and replaced parts are yours. And where does it sit? 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. A derestricted CDI is not a problem at all. by removing it or even simply filing the nylon part away i found the carb butterfly opened fully and not half way as previously. For example, if you don't mind sacrificing quietness for speed, you might choose to leave the muffler off entirely, or you could install a lightly packed muffler. Thanks. 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. Sure thing to get a caliper and measure from time to time. Out at half throttle anybody know why. 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. 1. Removing restrictions and riding a scooter without having a valid drivers license is illegal. This is the intake stroke. Larger Air Fuel Mixture + Hotter Spark = Increase Horsepower and Speed How to Make a Honda Vision Moped Go Faster. will lube the pulley. This is possibly the thread with the worst advice on here right now, so I'll chime in. I noticed that the variator roller weights are pretty . 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 carburator is responsible for supplying a mix of petrol and air to the cylinder. But there are a lot of variables here that affect belt life.

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