VALVE ADJUSTMENT ON A CHINESE QUAD




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McCulloch 911: Hey great video but I need your help. I have a friends 110cc quad. He bought it brand new and it has never ran properly. It runs fine with the choke on (obviously running rich) but as soon as you take it off the engine dies. I have completely torn the carb and cleaned everything and its still doing the same thing. So I then adjusted both vales to .07mm or .003 Inches and now it barely starts with the choke on. Im just curious as to what my next step is? Should I start to open the intake valve? I appreciate any input, thanks!

Ainstain K: Great video, but nowhere is says what the correct specs are. So what would be the valve lash for intake and the exhaust valves?

James Pirone: hey mark I have the 110cc 4 stroke, now the starter has burnt up 2 times now. it turn one whole turn when I go too start it then it clicks then sometimes it acts like it wants to fire up so im being told that its the top dead center ordeal what do you think it could be thanks...

Juan Vega: VALVE ADJUSTMENT ON A CHINESE QUAD: http://youtu.be/xZ8hBOGeQSA

Silk Boxing: Hey Bud, I can build a Bike from the Ground up, but I can's get that Round Cam cover off. I don't want to brake it. Not the Valve that you did, but the Round Cam. Do I turn it, pop it off or is something holding it. I want to powder coat my Engine covers. Thanks !!!!

Javin Krenn: Can u do a video of changing the gear oil. 

Javin Krenn: Can u do a video of changing the gear oil. 

cgrower84: My son has a 110cc. It wouldn't start. Cleaned carburetor and put a new cdi box. Cranked right up. Most if the time it's the cdi (computer controls everything)

Gareth Jones: Hi would that 1971 onwards manual cover a 2005 chinese BS 200S-3 ??

Frets Nirvana: Still having a problem with this Chinese tav ….the Haynes book says valve clearance should be .002 …but you indicate .003? I adjusted mine to .002 and the machine will not start …and I have checked everything else (spark, carb, compressions etc.) Did you make a discovery that the valve clearance needs to be .003?

genuineswagga709: i just bought a roketa go cart but its not getting any compression could it be the valves needing adjusting timing or what

400EX99N: I WOULD START WITH A VALVE ADJUSTMENT. THE INTAKE VALVE MAY NOT BE OPENING TO LET FUEL IN OR THEY TIGHT AND ARE OPEN A BIT AND THE GAS WONT COMPRESS TO FIRE

MPDano: I have a Chinese 70cc. Does this haynes manual cover valve specs this as well?

jumpingjoe628: Is this Seth Rogen working on a quad?

Josh Pickles: hi mark what do you know about the carb for a 110cc? my machine was bogging bad when i hit the throttle, and the carb started overflowing. ive pulled it off and ruled out there are no clogs and needles seem to be clean, and i inspected the float wich is supposed to be the reason for it overflowing but it seemed fine to, but something tells me i just need to adjust something? and advice would be great! thanks

400EX99N: 0.07MM/0.003IN

RB20ANDY: Dont want to diss you or anything but.... Why did u buy a chinese quad? why not Yamaha? Suzuki? Honda? Polaris? Can-am? KTM? Kawasaki? Dont you worry about weld's cracking ect? i know it's a honda copy.... but it's not a honda.........

rick bear: the chinese engines are exact clones of the honda engines.

400EX99N: YES IT DOES JUST MAKE SURE YOU ARE USING THE 70CC SPEC

frankyfruiter: do u adjust them warm or cold . i just did mine after it was all heated up ??

rick bear: not 400, but no just cut the remote box off and tape it up , check the brake switches and on-off switch, i had all those problems fixed all,

waynejunior1989: Thats a 110.. 107 is on the head there..

400EX99N: you check them when there are cold

Muskrat Luv: What size feeler gauge are you using for a 110cc(107cc) E22 Motor? I bought a Brand new motor & my plug is Black so I want to double check every thing & make sure all is set correctly. Thanks

sketchyrange666: Hey I have an ssr 125 I recently purchased a knock off mikuni carb that is 24mm I have the adapter intake manifold and the stock carb was 22mm im having a problem tuning the carb any advice or a video on how to tune this carb would be great thanks

Sevilai Vang: My 110cc Chinese atv well not start I have spent $40 to fix it once and it died again! I don't know what to do I have charged the battery And changed the spark plug to a new one but I still can't fix it I don't want to spend another $40. Please help!!! Thank you

Jakethesnake1021: hi, i have a 125cc atv and i have good spark, i get gas but it does not start. I just replaed the valves and i was wondering what i should set the valve lash to.. i have it at .009 right now

Brookshare: how can you tune one of these engines to make it faster i have a 50cc one. cheers

Frets Nirvana: Hi ...I tried to follow your guidance on one of these today. I could not my feeler gauge down in the opening to check the clearance properly ..I have some feeler gauges for the usual automotive clearances ....but it does not go down to .003. So I will have to get some of those ....but also I could not see into the opening exactly where to put the gauge. Can you give guidance? Also ....this little 90 CC Tao has a T stamped on the flywheel ...I assume that is top dead center.

400EX99N: i would double check the carb, check the neddle jet maybe the c clip is off and check the main jet see if its got a little junk in it, also check the float height and make sure the air mixture screw is adjusted correct. hope this helps ya

john: how thick does the fuel thing have to be?????

Bananas1973: hahahahaha "Starring Mark" :) Ive just bought a chineese quad and looking at doing the first service. This vid is great. Thanks

400EX99N: MAKE SURE THE NEEDLE AND SEAT ARE GOOD AND CLEAN AND YES YOU MIGHT HAVE TO ADJUST THE FLOAT HEIGHT PLUS MAKE SURE YOUR FLOATS MOVE FREELY, NOT HANGING UP HOPE THIS HELPS THANKS FOR WATCHING

400EX99N: first check for spark, take the plug out and install in the coil cap hold the plug on the cylinder head (making a good ground) see if there is good spark or you can buy a spark tester. if you have spark check to see if fuel is getting to the motor. and let me know what you find

400EX99N: YES THAT LITTLE CAP IS TO THE FLY WHEEL THAT HAS TIMING MARKS ON IT. COMPRESSION IS WHEN THE PISTON COMPRESSES THE GAS TO THE TOP OF THE MOTOR THATS WHEN THE SPARK PLUG IGNITES THE FUEL AND BOTH VALVES ARE CLOSED. AND IMPORTANT FOR THE MOTOR TO STAY ON THE TIMING MARK WHICH IS A -F ON THE FLY WHEEL HOPE THIS HELPS THANK FOR WATCHING

Ahmed El Tantawi: hahahahaha

400EX99N: under the cap you will find the valve arm, its the thing with the nut on it. under the is the flat round disk like the is the top of the valve, that's where you insert the feeler gauge. if you go to may channel and watch my 350 Honda rancher valve and clutch adj, I show this in a little more detail. and yes the "T" is top dead center. hope this helps thanks for watching

400EX99N: WILL DO, GIVE ME A WEEK TO SET IT UP

Norfolk Southern Lehigh Valley Railfan: Hey to all you people that buy crap that is made in china don't because your wasting your money on it buy good name brand made in japan stuff like Yamaha,Honda,Suzuki and also some Europe stuff is good to like KTM this crap will last a week if i was that guy i would take that to the scrap yard to in town cause it will not run or do anything japan know's how to build a motor china not at all china sucks oil man out

Lucas Simmons: I have a 110cc an I need help setting the timing on it ..do u have a video or could u explain it to me any help would b great... thank u...

iggy9651: What lines do I line up in the sight hole ?

Simon De Asian: im stuck in one gear and it wont change but i go reverse how do i fix it

zwebx: you should only ever have to set them while you are doing a re-build anyways

400EX99N: IT MIGHT BE A BENT SHIFT FORK OR STRIPPED SHIFT DRUM OR SHAFT BUT FIRST I WOULD TRY CHANGING THE OIL AND ADJUSTING THE CLUTCH. IFITS THE FORK OR DRUM OR SHAFT YOU WILL HAVE TO SPLIT THE CASES

Mizuki Senpai: It's Chinese it's a cash hole weak parts

400EX99N: A GOOD RANGE FOR COMPRESSION IS ABOUT 90 TO 120PSI . I WOULD CHECK THE VALVES FIRST, YOU COULD BE LOSSING COMPRESSION THERE

400EX99N: that round side cover shows the cam sprocket and timing chain only used to set the timing

MMYZF600R: Hey Mark, Thanks for posting this video. I haven't been able to find much on my daughters. couldn't even find the model with the vin.clicked on your video and it's the identical one you have. alot of help thanks

dillon14dj: 3:08 thats what she said Lol

Muskrat Luv: Nevermind I looked a lil father back & seen u posted .07mm or .003 Inches for the Clearance or Feeler Gauge. Thanks for the video. I don't have 1 of those "Special" Tools can this be done with open or Box end wrenches & or a Adjustable wrench? Thanks again for the video I hope this solves my issues if not atleast I'll know they are set right.

Rating:
VALVE ADJUSTMENT ON A CHINESE QUAD 4.5 out of 5

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