How To Derestrict A 50cc Scooter / Moped Make It Go Faster




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Peter Kapica: All you did was remove the rev limiter and thats leaning, not richening. If its a 2 stroke, the engine will seize very fast. If i were you, just buy a racing cdi and performance coils and plugs for it and that will make a small difference. Or if you got big bucks, upgrade the carb.

Вадим Иванин: Хуйни ты намутил. Быстрее он не станет 100% Так как проделывал всё то же самое! И не только это! Так ты только собьёшь настройки и он станет ехать только хуже. Реально сделает его быстрее это ЗАМЕНА ЦПГ на больший объём, ЗАМЕНА карбюратора, ЗАМЕНА вариатора. ВООБЩЕМ хочешь что бы ехал быстрее МЕНЯЕШ ЦЕЛИКОМ ЗАПЧАСТЬ! А лучше просто не покупать это дерьмо а взять сразу 150сс.

mapbike: moving the clip up on the metering rod allows less fuel from main jet into the engine at low to moderate rpms and at wide open throttle the metering rod is alway far enough from main jet that it has no effect on the amount of fuel that the engine gets, sorry BillyUK but you are completely wrong about this and you can potentially lean an engine out more at aprt throttle and cause it to run hotter and be harder to start when its cold. lower the c clip on that needle and you richen the part throttle mixture and decrease the temp of the engine if its a bit on the lean side. for very cheapbyou can get a replacement CDI that has no rev limitation and actually advances the ignition timing about 4 degrees which help the engine make more power in it low to medium rpm range. increase main jet size in carb and install free flowing exhaust with a higj flow air filter on carby and you'll see a definite performance increase and you wont hurt the engine if carb is jetted correctly. You should either revise or remove the part in this vid where you're doing that useless carb mod. it could cause someone to hurt their engine, that isnt an improvement at all unless the engine is already running to rich because its being used in a very high elevation area where the air is thin.

lowell curtis: Stupid, leaning your mixture alone will blow an engine , Definately don't know what you are doing. 

James79561: All you did by moving the clip on the needle up one is lean the engine out which makes the engine run hotter and wear quicker. DONT DO THIS !! Placing the clip in a lower position raises the needle enriching the emulsion tube with more fuel and makes the engine run richer. This setting allows the engine to run cooler .The video is sorry and it's incorrect info. Do the research and get the facts. NEVER use a electric driver on carb screws !!!

Gary Johnson: if you drive your scooter at full blast when it is new, you will ruin the engine. If you don't go above 20mph the first 100 miles, the engine will last many years, probably. If you go full blast the first 100 miles, the piston ring is very tight in the bore hole. It will create a lot of friction and heat the borehole til it melts and rubs off, widens the borehole and then your engine is crap. You will lose compression because you freaked your engine, your engine will not have much power, it will die because it cannot maintain compression. Never remove the governor, doing so will ruin your engine. Loss of compression will mean bad gas mileage, also.

Teddy Huttner: I would like to know if I need to change the carburetor when I put the big bore kit on my 49cc motor

trickey57: So you don't need that spring you lost?

Sayem Alam: Plan b - how to derestrict your moped 

biggunzcdb: The advice on the needle height setting by the E-clip is suspect, unless he is meaning to "Lean" the mixture. To get MORE fuel or to make the fuel curve "Richer" you should move the E-clip down thus lifting the graduated needle higher in the main jet venturi and dumping more fuel at lower engine speeds, these are "Mikuni" style carb.s the amount of air entering the carb inflates and raises the "slide" (the "Black thing" is a DIAPHRAGM" that lifts the slide) so a higher pin(IE moving the clip lower) setting will cause more of the graduated needle to be pulled sooner IE more fuel...This isn't rocket science people, anyone that can't see how these things work just by looking at them ,shouldn't touch them... I often leave the needle alone and just swap in a higher number main jet, they only cost .99c you get 5 jets for 5 bucks from Ebay ,and a "Race" CDI that require no cutting on your wiring harness and comes with a hotter ignition coil only costs about $19.99. My scooters do 65+ because i install the 2.80:1 rear gear ( versus the stock 3.30:1) $30 and the 81.3cc Big Bore Kit, but this guy probably doesn't have the skill to crack open cases and build engines like I do....

droid: RPM limiters suck, all they do is keep the engine within operating tolerances so it won't break. freak that crap.

swektmaico: Raising the clip which is lowering the needle will reduce gas content in the mixture and lean it out.

kevin swithenbank: The main restriction on small CC engines I'm the UK is a metal ring In the exhaust port that narrows the diameter of the outlet port thus slowing engine. Lifting the "cir-clip" will make engine rum slightly leaner and yes a slight increase in power but at the risk of seizing the engine. You do not need to cut wires to disconnect the ECU meter. . I been making scooters go faster for over 35,years now and my advice is if you want more speed hang out at race events and talk to the mechanics working on lambrettas etc in the pits. They love it when young kids ask questions and show interest in tuning engines. Trust me you won't annoy them by showing an interest in what they are doing..advice off you.tube is at best contradictory and at worst is a con from a pickle ! ! 

Focus Cardona: U move the clip on the neddle the wrong way to get more gas u nedd to move the clip down that way the needle will raise down richer up leaner

spiderroot: You need to change the intake manifold mate. It as a crack on it. Nice video!

TheWoodart: Why Can't We REMOVE Bad Wrong Incorrect Vids Like This One!!!! OMGG WTF

ryon hazen: you didnt even say the different in speed

aaron jones: where i live you don't need license and insurance. you just have to be 15 with a helmet or 18 without a helmet

john bard: Turn zoom off the camera dumbass, and like the other guy said DONT DO THIS I've built a similar engine and played with the settings of a needle just like that. He is a retard

bliephoofd: Just spend some money in a new big bore cylinder head and a new carb and a new exhaust, way better then freak with your electronics

Steven Lamphear: Thanks for sharing your 'hack'. Word of warning though...you want to raise the needle to richen the mixture. There fore move the spring clip to the next lower notch, which will raise the needle in the bore.

Finstaa: Ok let me get few things straight for you who have never worked on your bikes 1.look for info about your bike on internet, you will pretty much always find out what is restricted what is worth doing and how to do it 2.if not necessary do NOT modify stock parts, you might need them someday and the resell value is a lot higher. Usually aftermarket parts also give more boost to your bikes performance 3.Carburetor settings. Extremely important especially on 2 strokes. always adjust your carburetor settings after modifying your bikes performance. If you don't do this you will have really high chance of blowing up your engine + you won't gain the max performance you could be getting.

pitbikeboy98: Anyone know how to derestrict a pulse phantom 50?

James79561: leave it alone and enjoy riding it. Your not going to get much out of a 50 anyway.

Stitch Echo: Work with cpi hussar 50cc

Tom Gallier: Mine doesn't have an adjustment. On the dykon49cc its just a 2inch or so pin that holds a while clip for the spring to seat on... Any ideas? I have a everyday driver I don't wanna put money into. This idea would a been perfect. Not sure if the taotao I'm building has this. But I will check

Zteve W: It would've been a good idea to ride it at top speed before and after your modifications. I'm not a mechanic so I can't comment but I do know all doubt would be eliminated if you could give us a before and after. 

chris walker: yall trying to get motorcycle speeds out of a scooter..bottom line is if you do perfermance mods the proper way to increase ur hp you will have put just as much money in your scooter as you paid for it..and who the hell wants to be on a scooter that does 80mph...NOT I

Jason Carmichael: What was the speed before and after? Did you look at taking out the washer holding the variator apart? (That is if your scooter has it)

diane colenso: U dont know freak all theres a bjtmin he engin aswell

yellstrom: Do you have to mod the engine if u cut the cable? 

Xvinfajtr: Here is some info, if you cut that cable your scooter/moped will break after a while.

Leandro Papas: You suck man... delete the video LOL

Ryno Hugo: I just want to know at 7:25 the white bit, does it not tourque in? my scooters carb looks exactly like that and just want to know do you only have to put the white bit on or kinda let it skrew into the groove? If im not mistaken the white bit also have a spring and if I just put it on looks like it could come out at any moment.

Chase Renfro: This is what you do. Number one: don't cut that pink wire leave it the hell alone. 2: move the needle washer up two.3: get an exhaust and shorty intake filter. 4: jet it (usely just and 80 bump it up to so 84 size jet or 85. 5: racing cdi box(will make it rev out more but safer than the pink wire) These 50cc enignes aren't really made for modding but what I just told you will make a 10 20 mph diffrents.

Brit rider: Buy a real motorcycle.

Tim T: What if use use change the CDI to a high performance one with no restriction. Would that in theory make your scooter faster without damaging it. Any advice on this will be appreciated. Thanks in Advance.

ric Maunder: dumb arse..................

vipersrule: I have exsperence with engines and i would put a perfomance cdi box on and be done with it

mark ward: that guy just leaned out the mixture by moving the clip up one notch

HaCkErZ931: Hello. I've just done the bit with the washer as my moped does not have a restricter. It actually has made it faster! Thanks so much. I've always been a slug around my friends... Still am but not by a lot! :)

Deagle9k: Will this work on a 2stroke?

rbnetpinoy: i think u did lowered the needle causing less fuel to come out... u should put it on the next lower slot of the needle to make the needle a bit higher to release more fuel

Denver Morgan: Ok where are my wire cutters lol

DAVID LEE: this is on an auto moped scooter what about a geared moped such as aprilia sx 50 do you not have to rejet the carb and the exhaust needs attention for deresrict it.

Kostas Kostakis: i done it and i increased my scooters's speed, but i repeated it and i couldn put easylly the needle and the speed didn tbeen increase. By any chance because of i destroyed the end of needle because of failure to put easely the needle?thats why i couldnt to increased the speed?

Zack Harjoe: I appreciate this video, however, I am reticent to cut anything , knowing that a new carb n exhaust are SO in important...cdi box.. $!0.00 (hmmm)).

dean31black: it also blows the magneto out as it pulls too much current as completly unrestricted, the proper unrestricted cdi,s still have some resistance to control the voltage being taken by the cdi unit. unrestricted cdi,s only give a fatter, more powerful spark to burn the fuel better hence a bit more speed!! but remember peoples that its only 49ccs so u aint gonna go that fast no matter what u do to it!! doing the needle is the better idea though, fairplay

MLud: I'm not sure why this guy is being berated for this... the CDI 'is' limited and will stop the scoot from going above a certain road speed as dictated by the speed of the rear wheel. This info is passed to the CDI via that pink lead. I've got a 2010 model VClic with the green loop on the CDI which is now cut and taped. The speedo now happily goes into the red on the flat (maybe an extra 4mph) and way into the red going down hill (speed depends on steepness of the hill). Previously it would have stubbornly stuck at the redline regardless. What derestricting the CDI will NOT do is give you more power. You'd need to change rollers and springs to help the scoot work in the power band (slightly higher revs) but even that doesn't strictly give it more power. Pull the pink lead and give it a try... you can always plug it back in again if you don't like the result! :)
Rating:
How to derestrict a 50cc scooter / moped Make it go Faster 4.2 out of 5

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How to derestrict a 50cc scooter / moped Make it go Faster