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Motorcycles

Yamaha 125 jym motorcycle with problems starting

ydd:alualo
ydd:alualo
2.847
hace 5 años
hace 5 años
While on duty, he began to fail by pulling on the march, and lack of acceleration. Spark plug and wires were checked, all good, the carburetor and gasoline filter was cleaned, and the motorcycle if it starts but does not accept acceleration, produces short as current, and stops the engine, I can not understand what happens, they can help me , the bike is from my son, regards, alualo
ydd:alualo
ydd:alualo
2.847
hace 5 años

Ok, MJGTSAS, look, I do not understand your suggestion, the bike starts well, and keeps the ignition in low revolutions, there are no sparks anywhere, and the problem arises when accelerating, does not accept acceleration, when wanting to accelerate, Stop the engine, that is, it doesn't develop power, if you understand me? That's what I don't know because the reason will be, and I ask for opinions, greetings

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MJGTSAS
MJGTSAS
4.613
hace 5 años

If in your question you give as information that seems to turn off the power, tell you which is the way to test if the problem is electrical.
Try the following, let it start by regulating a few minutes and accelerate it should stop the engine, take out the spark plug and check if it is wet with gasoline, if it is not the problem is carburetor, if it is spark plug or ignition, another thing verifies that no breathe air between the carb. and the cylinder cover, finally the quality of the fuel is good because if it is half old it usually presents such problems.

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ydd:alualo
ydd:alualo
2.847
hace 5 años

Hello, ok MJGTSAS, we will make that suggestion to the mechanic, and we will see what results, because we better not touch anything else, if it seems to be a carburetor problem, and some detail of air must be happening, greetings

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MJGTSAS
MJGTSAS
4.613
hace 5 años
hace 5 años
Check that the power reaches the ignition, and from there it reaches the coil, also check the ignition key that is not shortened by a bare wire, as well as the power off button.
ydd:alualo
ydd:alualo
2.847
hace 5 años

Hello, to make the subject clear. If he went to like the friend MJGTSAS, he commented on his second contribution, and the problem was centered on problems of adjustment in the carburetor caps, which was corrected with changing the (arings), gaskets and the motorcycle returned to its good behavior, I give the solution to the friend MJGTSAS, although it is for the second contribution, thanks and greetings, alualo

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