Question about Yamaha YZ 450 F Motorcycles
Posted by Anonymous on
Hi, Anonymous and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Float needle and seat sticking.
5. Float level too low.
6. Carburetor bowl vent line clogged/blocked/pinched.
7. Idle adjusting screw set too low.
8. Air/fuel mixture screw set too lean.
9. Idle port, transfer ports, slow air jet clogged.
10. Slow fuel jet clogged.
11. Faulty fuel pump.
For more information about your issue and valuable "Free" downloads that you will need please Click on the links below. Good luck and have a nice day.
05 yz450f wont idle must run by friday YZ 400 426 450
Wont run without the choke yz450f 03
YAMAHA YZ450F Owner Service Manual
OEM parts for Yamaha
Posted on Aug 09, 2016
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Posted on Jan 02, 2017
SOURCE: XR100 WON'T IDLE WITHOUT CHOKE
you may wont to change your fuel filter and run some good carb. cleaner in your fuel tank, concentrated or / seafoam /i prefer but check with your local parts store .,let us know how the mechanic in the bottle works . Good Day.
Posted on Mar 31, 2010
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