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Yamaha 150bs

B

Ben St.Pierre

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"Is 550 hours on twin 150'

"Is 550 hours on twin 150's (1996) alot of hours? I had a few people tell me that they are near their maximum hours. I know yamaha's run for a long time, just curious on the life of the motor."
 
"Compression ranges from 125 t

"Compression ranges from 125 to 115 on Port Engine, and 125 to 110 0n the starboard engine."
 
cold engine with individual pl

cold engine with individual plug out. What is the best way to test? And is that #6 cylinder (110) too low?
 
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