I have a 97 SeaDoo XP and a 97 SeaDoo GTX. Both have stock 800 (110hp) motors. Prior to checking the compression on these motors, I thought they were identical. However, both GTX cylinders came out at 145PSI and both XP cylinders came out a 165PSI?????? Same gauge, same method, good batteries? Both boats run great. Are there any differences between these two engines? The rave valve part numbers are the same, but are they timed differently?
Thanks!
Thanks!
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