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  1. L

    1999 yamaha 100 4s running rough intermitant.

    Thought we sorted rough mid-rpm(#2700) with Sea Foam but returned last trip with rough running at #2200 but even after it goes away a hour? later and runs 'normal' it still has a vibration at cruise rpm (#4500-5000). Thinking it's a fuel problem (air leak?) so replacing fuel bulb, hoses and...
  2. L

    1999 F100 dies suddenly.

    Have #3000 hrs. and started/idled fine. After coming up to speed (#4700 rpm?) and running for a mile it suddenly died. Still cranks but wouldn't fire even with fast idle lever stroked. Fuel bulb was hard. Not over-heating. After kicking in on 9.9HT it firied up 1/2 hr. later and ran fine. Tried...
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