How To Adjust Your Clutch For 48cc 50cc 66cc 80cc 2-Stroke Motorized Bike By BikeBerrycom




What do you think about this video?

Samuel Poe: I just purchased an 80cc engine and installed on to my bike. Everything is working except the clutch. I can get the motor running but when i try to stop at a stop sign or just stop, i pull in the clutch lever and the engine noise increases dramatically. I have no choice but to push the kill switch. I can't keep the motor running. Sounds like it will explode if i did. I know it is not suppose to do that. It's suppose to keep the motor running at a lower noise, then when you resume riding, you let the clutch lever out. Do you need to peddle again to keep the motor running after resuming the ride after leaving a stop sign? or is the 80cc motor capable of resuming the ride after a stop at a stop sign without needing to peddle?

jmld69: Thanks that was really helpfull I was looking everywear for videos on how to dismantle clutch and u answered my question

R. Beyer: thank you much

Jose Cortese: the clutch handle is stickey 

Lang palmer: my clutch gear is rubbing on the bottom of the motor case WTF do i do?? i tried this out of spite but no luck obviously is the gear grinding along the bottom Plz help?!

Jason Teasdale: Hi Bike Berry, I find your vids very helpful. I have built 5 of these Grubee Skyhawk kits now, and sell them. The last 48 cc I did has a rattling noise in the clutch area. Now I have heard this is "normal" sometimes the pressure plate is out of round or something like that? I haven't opened it up yet, but do you have any suggestions on what that rattling might be? the nut loose maby? The engine and clutch work except the clutch will not engage until the clutch lever is almost ALL the way out. On my 66cc it is not like that. I will try and adjust it this weekend and see if anything is loose in there, but your opinion would be greatly appretiated! 

William Stark: My clutch is stuck stuck stuck. Those three prongs won't spin no matter how long I bang on them. I'm afraid I'm going to break them.

pavel1809: let says if my motor is off and i ride my bike for 4 miles my cluch will get bad

Dominic Suniga: Ok i just set mine up and when i try to pedal that engine tries to turn over and wont let me pedal will doing this help

Mexside619: just adjust the screw on the side to let less air in

bikr1975: ohh yeah, i replaced the plug with a small engine type for honda. is there any difference in resistive to non-resistive plugs as far as power goes? the original dies and replaced it with a similar sized one. when i first got it, it was like it was turbocharged. had lots of low end power. now, all of a sudden, it bogs right down with no low end power and feels like it wants to lock up if i try to get more speed. im using a 40:1 full synthetic racing oil. no plug fouling. bad CDI????? help.

BikeBerrycom: It's locking up because the fuel ratio is incorrect. These engines require a much richer fuel mix. I say flush your motor, and refuel it with a 24:1 ratio. If it's still in the break-in period, 16:1 or 18:1 should be the fuel mixture.

wav5000kb: Weird background noises,turn up the volume an listen.

chappytk: You should make more videos. Concise and well edited. Thanks!

RockLobster2402: I bought a small Bike engine exactly like this- except it does not say Skyhawk, I did everything you say to do, and I found the Spring in the video at 1:39 (time) is missing. ----- where can I buy that Spring?Are they universal? The Name on my box the bike came in says BGF "Boy Go Fast" if that is any help. I got this back over the Summer and with the Hurricane and other things,Am just now able to put it on--- Thanks.

BikeBerrycom: That's the first time I've heard of that problem. If it doesn't effect your flower nut negatively, you may want to file down the clutch pin. Please do so at your own discretion though, as we are not reliable for this advice. PLEASE NOTE: do so ONLY if it doesn't affect the flower nut negatively, as in, it causes the flower nut to sit and screw back on the clutch pin improperly.

rodney dikin: i've got the grubee skyhawk 66cc and i absolutely love it. i customized a cannondale h300 and installed this motor kit. i used some of the parts that came in the kit but did away with most of it and upgraded better parts. the engine is fantastic. get rid of the sparkplug that comes with it. it's crap. get a ngk or autolite. and your best friend is going to be loctite. use it to the max. it will save you from loosing parts and keep your motor secure. email me at rgd62@live.com for more tips

hamslam199: man im glad i finnaly found out how to fix this thanks man

tibetoo7: hello.can u use this in a kart ?

BikeBerrycom: In all fairness, it's true that the 2-stroke engine kits or "china girls" need fine tuning. I can't speak for most other stores, but we offer a 6 month parts exchange warranty. We understand how these engines work and will work with you in making sure you get your parts to get your engine running smooth.

paraglidermx: All china girl motors are POS,,if you dont know how to work on 2 strokes,,dont buy one from anybody,,I have no problem buying them fro ebay for 139 dollars,,just need to go over them and fine tune,,they all run great with some TLC :)

BikeBerrycom: Power loss is generally due to the carburetor not being adjusted properly. When you twist for more power, the carburetor is trying to feed more fuel and air through a small jet.

BikeBerrycom: No problem, Alex. Glad it helped :)

sagy cohen: Why when i stop the bike the engine is just shut down?

ThePeoplepimp: This is trouble shooting not adjustment, but cool video...

shredderjoachim: Hey man here is my problem. I have tried putting the cover that goes on to the sprocket on the side of the clutch that you were showing in the very beginning of the video but the pin is blocking me from putting the cover back on. I have tried taking the clutch cover off and the plate as well and fiddling with some of the settings. I cant get the stupid cover back on that you took off because the pin is seated way to far out of the housing. I have checked for dirt and grime.. help please!!

mitzy162: Thanks for the help! My three prong thing was frozen :)

Matthew Schurter: Nice vid Guys I have also had two engines recently a 48cc GT2B and 66ccGT5 where the plate was just stuck to the clutch pads and used a small slotted screw driver to unstick it by gently prying around the radius of the plate .

Jose Jimenez: What if clutch is not un ingadgin

Sam McDowell: THANKYOU

Daniel Smith: the clutch arm is at normal position and the clutch still moves and or not engaging with back wheel???

BikeBerrycom: Great advice! Thanks for sharing.

mhamo9922: im Egyptian i want buy the engine

iryan74656: Umm I thing from now on I'll shop here for my engine need and upgrade parts I spend way tooo much on motovelo.us crap bad service there

TenSixtyFive: im having the opposite problem! it will disengage but not fully engage (the back wheel still spins somewhat freely when its in the engaged position). someone help?!

Samuel Robinson: flywheel not clutch cover

Jose Gutierrez: You re the best!! Thanks!!!!!!!

DONphantasmo: Great video!! Thanks

bikr1975: sorry, i guess my main question is, is there a common cause?? the head that came with the replacement engine, the underside of the head has a recess for the spark plug. the old one is a slant head type with no recess. ok, carb, plug, CDI or the worn out bearing?? ill replace all if neccesary.

mindcrime420: I cant get my clutch to engage the back tire spins free wether i squeeze the cultch in or not tho i can see the plate move yet no matter how tight i tighten it the back.tire spins free

Jamie Remington: I've done that and Engine has will not engage....

Darkman S Bhuller: Thank you so much, GOB BLESS you. I found solution to my problem

charlenecarter60: How do you fix a carburetor that idles high

Cody Randall: this is a great engine but now i know whats wrong with my clutch thanks :)

Paul Solver: FYI I'm 99% sure this is my problem. I have the 80cc/66cc Flying Horse. Just so you can pass along this problem to others

ethanarpit: Hello, I am thinking to get 48cc skyhawk. is the engine quality good? i don't know much about engine so I dnt want trouble to end up fixing it in future. n is it too noisy n will i b able to go uphill easily?

guitarnerd19: The three pegs on my motor refuse to turn, they will only go about 1/2" in either direction. I know you said to assist it with a hammer, this did not seem to help move it. Have you ever heard of this problem before/have any suggestions? Thanks

Luca Infante: My 50cc moped has resently packed up on me and i can't push it freely it feels like its in gear or at least stuck in gear but i'm not sure whether is somthnig to do with the chamber and piston/rollers or whether is just the clutch is stuck in engaged - Please Help! :)

Brad Cook: hi there, did you get your fixed. Im having the same problem. Went into gear initially, now it wont go into gear at all. Stays in neutral. Did you figure out what it was. Thanks

Alex Chan: I had this problem with an 66cc engine I got from Zoombicycles. Thanks for the vid, helped alot.

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Rating:
How To Adjust Your Clutch for 48cc 50cc 66cc 80cc 2-Stroke Motorized Bike by BikeBerrycom 4.8 out of 5

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How To Adjust Your Clutch for 48cc 50cc 66cc 80cc 2-Stroke Motorized Bike by BikeBerrycom