Compression Question

TC777

Petty Officer 2nd Class
Joined
May 20, 2009
Messages
102
1988 Merc 135hp compression test 115,118,118,118,119,114. Good or bad, and how much life is left?
 

TC777

Petty Officer 2nd Class
Joined
May 20, 2009
Messages
102
Re: Compression Question

Any help would be appreciated.
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: Compression Question

Dang near perfect. Several thousand hours left if correctly maintained.
 

emckelvy

Commander
Joined
Jan 16, 2004
Messages
2,506
Re: Compression Question

Those are great readings. Run a dose of Seafoam (or any of the major outboard mfr's carbon-cleaning additives) in the fuel and they may get even better.

Cheers.........ed
 
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