thanks guys. 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). Disengage the kickstart from the variator system. Hi Nigel, Its actually the other way around. Restrictions through replaced parts on the other hand cant be simply removed. The Naraku ones from Racing Planet are cheap and good! All-in-all. This means that the manifold at its smallest point needs to have a diameter of at least 12mm as well. It currently does 87kmh but it can only do 62kmh max to pass the test. Hey Shaun, Yes, this sounds like the gears are too short! Thank you. Thanks Shaun. It also has a hydraulic caliper at the front that chomps down on a 200 mm disc. 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 at this point where most scooters waste the most power, as it does not usually take advantage of all the torque generated by the engine of our scooter. the variator ring actually damage the variator over time. 5. Throttle opening and air supply restrictions are often found on scooter carburators in order to restrict performance. If you want a good balance of performance and sound muffling, you would likely pick a more thickly packed muffler. P.S. It features 12-inch cast-aluminum rims with five paired spokes. 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 ? ) 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? Hi, This sounds a bit odd. Honda engines are often carburator restricted. It usually is about 5mm thick. The X-PRO 150cc Adult Moped is everything you could want in a fun, reliable, and compact gas-powered scooter. No, usually not. 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. Some allow riding a scooter without a drivers license and others have multiple different licenses for various engine sizes. Thanks, Hi Arrie, Have you gone through the article and checked which of the restrictions apply to your model? This is possibly the thread with the worst advice on here right now, so I'll chime in. 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. 1. Can you get a vespa lx50 derestricted or something to make it faster. Pull the old muffler off of the exhaust system. Does it take a while on the straight from standing before the engine picks up on speed and starts revving higher? 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. It runs great and has only done 2500 miles but it will only do 29mph flat out even down a hill! If it needs a CDI then please tell me which one to get and where from. Removing the restriction does not require any welding. If you aren't, sell it and buy a reputable brand's 2 stroke, it'll automatically be peppier and easy to hop up. Some people say these routing channels limit air flow and therefore act as a restriction. 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. 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. This can be accomplished by either drilling holes into the air intake (located above the variator case) or by removing the intake altogether. Do you have any idea, how to make this scooter faster? The scooter brakes through the 140 mm drum-type brake at its rear. They are incompatible with other engines on the market and therefore less attractive for Western tuning companies. I really struggle for information about my 4 stroke Yamaha aerox 2015. It reaches 45 on the flat (even with the variator restriction), but will slow to under 20 on even a moderate gradient. When reassembling the variomatic the crankshaft nut should be secured using Loctite (medium) or a similar threadlocking adhesive. 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. cheers james. Hi G, Sorry only now saw your comment. What other ways do Chinese manufactures do to restrict RPM and performace. Have a look whats hooked up to the battery and the stock cdi. Best parts to make your 4 stroke scooter faster , hands on reviewsFollow me on twitter@mopedtuninghelp Step 1 Disassemble the air box and remove the filter. Either by air intake or by not allowing the full opening of the throttle. they all look the same! 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. If so, then the rollers are too heavy. 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. Hi, Its really difficult to find information about your scooter. 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. 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. They usually require the purchase of an unrestricted part or considerable amount of modification. There are heavy fines and you might loose your license when get caught or involved in an accident! Be careful when modifying the air filter box. Did I say funny? Do you know much about where the restrictions in these lie and how id go about removing them? How to de-restrict/de-limit a 50cc Euro 4 GY6 (Chineese) moped. 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. You can also find variator rings in some engines! Could it be the same OM cdi with built in speed limiter? Enter your email address to subscribe and receive notifications of new posts by email. Hi Marco, The Honda 4 Stroke engines are not restricted in the common way. But there are a lot of variables here that affect belt life. Hope this helps! I covered about one third of the rubber intake tube opening with tape to duplicate the restriction of the air box. 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. The resulting hole in the exhaust needs to be closed. This is just a general note and depends on your scooter model. Magnum tuning sells a programmable rev limiter for $165. Belt Belt life depends more on the usage raher than the age. I need help. The only parts acceptable to remove from an air filter are diameter restricting nozzles as pictured below. 2. For other brands this might not be the case. My question is my bike seems like it loses power or acceleration. You take the quartz from your cdi and solder it onto this device, that then gets soldered to the original quartz posts. Filed Under: Performance Tagged With: faster , mod , modifications , modify , performance , racing , speed , top speed , torque , upgrade How about TGB Tapo 50, what/where are the restrictions? Im certain it has to do with the mainjet. 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. Continutul cosului. Whilst it does not directly restrict engine speed it is still recommended to remove the catalyst when tuning a scooter. The scooter most likely has a variator ring installed. Thanks for the information dont have the money right now but its useful to plan with. There are a handful of 50cc scooters that can touch top speeds of 60mph, but that's only if you unlock the engine or modify components within the engine. Hi daniel, bike has standard exhaust with the baffles removed, It revs up fine and does 35mph downhill bit the revs just keep increasing till it sounds like its going to explode. 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 have a 125cc honda Aero, currently it goes around 45-50. I bet most bikes use AC CDIs for example. How to derestrict a 50cc Scooter TuningMatters.com. However, it is a lot quieter, more reliable, and significantly more fuel-efficient. Aftermarket exhausts do not have catalysts for one reason only profit of manufacturers. How Can I Make My Stock Exhaust Sound Deeper? The new posts are unique and pass the copyscape test. Search for: Murgrabias tools go viral. Ive only found CDIs for TGB Akros, Jetfighter etc etc. 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). That is a 4 stroke, and it's Chinese. 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 can make your four stroke scooter faster by installing a number of products or making one of a handful of aftermarket alterations. 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? The air supply restriction is very simple to find. Thank you very much. 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. Here's an easy way to understand how an engine creates power. Which scooter should I start out with. I currently have a 2016 50CC TaoTao (chinese). 2. Those restrictions from the manufacturer are kind of funny in Colorado. Step 2 Open up the variator system. There is only loss of pollution to air. Certainly too heavy rollers. Time to go on the hunt! The filter is one of the cheapest components of a 125cc motorcycle but one of the most important. Quieter and Reliable. Thanks. Trikes. 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. When reaching a certain engine revenue the limited CDI simply stops the engine from revving any higher by stopping ignition of the spark plug any faster. Thanks Lee. 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! 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. Variator weights are so light, that the given engine speed does not produce enough g-fore to pull the variator plates together. Rev the engine up slowly and check if at some point the engine stops revving for no reason. 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. Hi Dan, What do you know about restrictions on SYM jets port 50x 2013, A catalyst has to operate at a high temperature to perform in its intended way. There is two things you can do: 1. What parts are installed? Im too keen about increasing the performance of my scooter.