Hi guys! Been a while since I’ve been on here. Wow, the site looks exactly the same. Lol! If it ain’t broke don’t fix it i reckon. Anyway, i have a 93 Fast Strike model J1 50GLETG serial G02378770. I have a cheap compression gauge from Auto Zone. Here’s what i did...i pulled the lanyard so she wouldn’t fire, removed plugs one at a time, hand tightened the gauge (it had the rubber o ring so I didn’t put a wrench on it) i had my son push the throttle to the floor (did not remove air box) spun engine for two or three seconds, I was impressed with the range...exactly 90 psi up the port side and ecactly 93 psi up the starboard side. I was hoping for 100/105 because I’m thinking of selling the boat. My questions are this...What was this engine’s factory new compression specs? Are these numbers normal for a healthy engine?
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Originally Posted by Bassmeister
