Question about 2003 Yamaha YZ 125
Posted by Anonymous on
Hi, Anonymous and the usual suspects are:
1. Throttle cables improperly adjusted or pinched.
2. Idle adjusting screw needs to be backed off.
4. Air fuel mixture adjusted too lean start with 2 full turns.
5. Intake system air leak.
6. Fast idle choke ramp is not releasing.
7. Broken throttle return spring.
8. Damaged diaphragm or slide.
9. Faulty MAP, TPS, ATS, O2, sensors or wiring/connector
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.
Dirt Rider Magazine
Bike runs wide open after closing throttle
YAMAHA YZ125 Owner Service Manual
OEM parts for Yamaha
Posted on Jul 15, 2016
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Posted on Jan 02, 2017
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