2001 Big Bear 400 - Yamaha ATV Forum
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post #1 of 3 Old 01-13-2020, 03:50 PM Thread Starter
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2001 Big Bear 400

lack of engine power in 2nd - 5th gears. After every gear i shift into i lose more and more power. Wont go over 25-30 mph. Any ideas?
DevilsRiver1883 is offline  
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post #2 of 3 Old 01-13-2020, 04:13 PM Thread Starter
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Could barely climb rock driveways less than 30 degrees in 2nd gear. Issue just started this weekend.
DevilsRiver1883 is offline  
post #3 of 3 Old 01-15-2020, 12:32 PM
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Location: southern oregon
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is one of the clutches slipping? check the valve adjustment. possibly a dirty carb. try to give me a better description if you can
cory52000 is offline  

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