Question about 2003 Yamaha YZ 125
Hi, Morgan_honda and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
2003 YZ125 Carb Overflow Hose Is Leaking Yamaha 2 Stroke
Oakys Garage How to clean overflowing Carb Carburetor Part 1
YAMAHA YZ125 Owner Service Manual
OEM parts for Yamaha
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e
Posted on Jul 19, 2016
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Posted on Jan 02, 2017
Sounds like a stuck float. try gently tapping on side of carb near bottom where float assembly is located to see if it frees up if it doesn't you will need to remove and clean your carb and check your float adj.
Posted on Dec 28, 2008
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