Bad bottom end bog ? ET967

Joined
Apr 23, 2007
Likes
1,029
Location
Amherst NH
#22
I have a friend having the same problem with a 964. Ran perfect last season. So far we've....

Changed exhaust
Changed every bit of electronics
Rebuilt pump including fresh drive shaft
New reeds
Swapped carb setup
Pulled head to inspect
Pulled exhaust valves to inspect

Only thing left is crank and wrist pin bearings .
 
Joined
Feb 2, 2016
Likes
149
Location
Buffalo, New York
#23
I have a friend having the same problem with a 964. Ran perfect last season. So far we've....

Changed exhaust
Changed every bit of electronics
Rebuilt pump including fresh drive shaft
New reeds
Swapped carb setup
Pulled head to inspect
Pulled exhaust valves to inspect

Only thing left is crank and wrist pin bearings .
Are you sealing the bolts with silicone?
 
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