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Lawson2479

Lawson2479

Jetboaters Lieutenant
Messages
168
Reaction score
78
Points
157
Location
Laurel Lake KY
Boat Make
Yamaha
Year
2007
Boat Model
AR
Boat Length
23
I am looking at a Yamaha 2002 GP800R with 110 hours.The problem is Runs but One Cylinder Weak Compression. what problems should I expect and what do you think long term is.
 
Cobra Jet Steering LLC

Cobra Jet Steering LLC

Jetboaters Admiral
Vendor
Messages
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Location
Florida
Boat Make
Yamaha
Year
2021
Boat Model
Other
Boat Length
Other
If that year had the variable exhaust valves that had the issues of dropping down in the cylinder and taking out the rings I would check that first, also look at the top of the piston for evidence of water intrusion where it removed the aluminum off the top of the piston.
 
Lawson2479

Lawson2479

Jetboaters Lieutenant
Messages
168
Reaction score
78
Points
157
Location
Laurel Lake KY
Boat Make
Yamaha
Year
2007
Boat Model
AR
Boat Length
23
I will, thanks
 
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