hanker 800
Sep 13 2006, 06:48 AM
I know this will sound stupid ... :frech32: But what should the compression be per cylinder on a Two stroke 1998 Formula Deluxe 500 :no_bashing:
FreezerBurnt
Sep 13 2006, 10:24 AM
130on the low side
140average
FLYINREDSABERCAT
Sep 13 2006, 10:27 AM
IF I REMEMBER RIGHT 115-120 PSI , BUT REALLY BIG THING TO LOOK FOR IS BIG DIFFERENCE FROM ONE SIDE TO THE OTHER . IT,S BEEN A WHILE SOMEONE MAY POST WITH CURRENT KNOWLEGE :fluffy:
FreezerBurnt
Sep 13 2006, 04:18 PM
:beer:
racegas
Oct 2 2006, 06:53 PM
Anywhere from 120-130 psi, for proper comp test let the sled warm up first, keeping in mind rings do expand, this will give you a pretty accurate reading!
FreezerBurnt
Oct 2 2006, 09:16 PM
The Rotary Valve engines have higher average compression than the reed/piston port/case reed type engine
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