Compression reading on 15hp

seakingbob

Petty Officer 2nd Class
Joined
Jul 10, 2008
Messages
170
I have a 1974 15 hp does anyone know the correct compression reading it should be giving.I did a check and both cylinders were 90 is that good??
 

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: Compression reading on 15hp

fine, healthy motor for a pull start. change your fuel lines to alcohol resistant lines, under the cowl and motor to tank. Ethanol.

a decarb never hurts, directions TOP SECRET FILE.
 

Rick.

Captain
Joined
Jul 30, 2006
Messages
3,740
Re: Compression reading on 15hp

I'd be real happy with those numbers. Great motors. Rick.
 
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