2003 Yamaha YZ 125 "fuel valve" Questions

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Question about Yamaha YZ 125 Motorcycles

1 Answer

...fuel valve; some fuel valve have 3 positions, OFF, ON, PRI where the ON would only allow fuel to flow if there is sufficient vacuum from the intake manifold; the PRI allows fuel to flow unrestricted; ...

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Question about Yamaha YZ 125 Motorcycles

2 Answers

...valve. Turn on the fuel for a moment to wash out the needle seat, clean the needle tip and reinstall the parts you took off. If the float is brass, shake it to listen for fuel inside the float. If ...

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Question about Yamaha YZ 125 Motorcycles

1 Answer

...fuel, pull fuel line from carb. check to make sure fuel is running, if not check fuel shut off valve. sometimes the shutoff valve will clog up. If all is well it has to be a clogged carb.. Good ...

Question about Yamaha YZ 125 Motorcycles

1 Answer

...fuel Yes mate... It is hard to say without seeing the reed valve but I guaranty a dodgy reed valve will make running and tuning the bike a nightmare. Your reeds need to seal perfectly and open and ...

Question about Yamaha YZ 125 Motorcycles

1 Answer

...you mean not to start they could. a reed valve is simply a one way valve that captures the air fuel mixture in a two stroke motor forcing to go into the combustion chamber rather than back out the ...

Question about Yamaha YZ 125 Motorcycles

1 Answer

...fuel valve is set to on.Also check your vacuum hoses,if one is off you may not get fuel until its back on.also if you find trash in the fuel line or filter there could be some in the carb that will ...

Question about Yamaha YZ 125 Motorcycles

2 Answers

valve. any tips would be great check fuel float level as it might not be able to keep up the flow rate at those revs or the read valve has become weak hi kilroy, below are links on all i got about the

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