propper compression for '93 50hp inline twin

J

jbstallock

Recruit
Joined
Jul 3, 2010
Messages
2
Does anyone off hand know what the acceptable cylinder compression values are for a 1993 2-stroke johnson 50 hp inline twin should be? Would low compression cause unpredictable starting issues?
Thanx
 
W

wilde1j

Vice Admiral
Joined
Apr 15, 2002
Messages
5,964
Re: propper compression for '93 50hp inline twin

Over 100 psig and within 10% of each other is OK. There is no published "magic number".
 
J

jbstallock

Recruit
Joined
Jul 3, 2010
Messages
2
Re: propper compression for '93 50hp inline twin

Thanks, ours is good then 150 each.
 
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