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Take a look at the engine. If you stand on the side where the variator and the air filter are, to the left of the carburetor you will see a black cap-looking like part. its sitting on an oval-like cap which is held down by 2 or 4 bolts. You have to take the cap off, and you will see the mechanism for regulating the tention of the chain which drives the valves. From what Im thinking the problem seems to be in the valves knocking, which mostly happens due to the chain stretching out with time. Tighten the chain up a little bit, start the engine. As the knocking continues, turn it off and tighten again. repeat as needed.
What else can I help you with?
Kymco people engine diagram?
go to scootdawg.com they have a free 200 page download for gy6 scooters. most 50cc are gyd or 139qmb.
How do you rebuild a 150cc gy6 engine?
how do you rebuild a Roketta 150cc GY6 engine?
What size carburetor do I use on a 50cc gy6 motor 19mm or 20mm?
I got a DF50sst and it’s a 20mm
Where is the rev limiter located on a 50cc scooter?
on 5occ - 150cc gy6 qmb or qmj engines the rev limiter is part of the cdi programming.
What is the valve gauge setting on a 150cc gy6 engine?
.03 intake .04 exhaust
How to advance timing on a 50cc gy6 scooter motor?
Beside a racing cdi box, the only thing you can do is use a offset key on the flywheel. Just a thought, one could elongate the bolt holes on the stater so it can rotate slighty. Warning playing with timing can have serious problems with engine parts.
How do you adjust Valves on 150cc Gy6 engine?
How to adjust the Valves on a GY6 engine "A LOT OF PEOPLE DO NOT REALIZE THEY ARE NOT ON T.D.C. AND HAVE THE FLYWHEEL ON THE T INSTEAD OF THE 2nd LINE!" The correct mark on the Flywheel is You will see F and (T) Look under the letter (T) there should be 2 marks The second mark is T.D.C. not the (T). Line that 2nd Line up with the piece of casted thin metal you cannot miss it, Then look at the Cam shaft it should have 3 Holes "The 2 small holes should be lined up perfectly with the cylinder head mating surface of where the valve cover seals to the cylinder head" & "The one big hole on the Cam Shaft Sprocket should be pointing up at a 45 Dagree angle when you look at it while the other 2 are perfectly lined up with the Valve Cover & Head mating Surface" Best Setting for GY6150 vales is 0.03 intake and 0.05 Exhaust.
How many horse power in 200cc gy6 engine?
Not all engines with the same displacement have the same power. This being said, a 200 cc engine usually has around 30 horsepower.
What engine came in the baccio vx 150?
My Baccio VX150 has a Chinese GY6 Engine in it as do a lot of 150 scooters do that are Chinese or Japanese Made. They have all stock parts for the baccio vx150 scooter.
I have a 4 stoke 50cc gy6 moped. Today I was going about 44 mph down a street when i got to a traffic light. It just turned off and I couldn't start it again. It turns on but i can't give it gas. help?
sounds to me like the breather tube came loose on the carb.they are bad to vibrate and pop off .this causes the engine to get to little gas and too much air which results in the engine cutting off when you try to give it gas.
Where are the timing marks on the cam for a ATV gy6 engine?
On a GY6 engine, the timing marks for the camshaft are typically found on the cam gear itself. You should see a mark or a notch that aligns with a corresponding mark on the engine case or the cylinder head when the engine is at top dead center (TDC) on the compression stroke. It's essential to ensure that the timing marks are aligned correctly during installation to maintain proper engine timing and performance. Always refer to the specific service manual for your model for exact locations and guidelines.
How do you remove speed limiter on gy6?
Replace your CDI
