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Thread: rxp cylinder compression
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05-27-2006, 02:00 PM #1
rxp cylinder compression
OK,having lack of power and loss on top end with my wifes rxp,so had the SC clutch rebuilt with metal washer and seen know differents in top end but just a little on out the hole.So,I did a compression test on it and the front cylinder was 148 p.s.i.,middle was 130 p.s.i.,and the back was 130 p.s.i..Has anybody see this much of a differents in pressure between each cylinder.I know it's not good.
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05-27-2006, 05:57 PM #2
i think you want them all to be fairly identical...checked mine 2 weeks ago..130, 100, 130
what a piece of shit (mine).
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05-27-2006, 06:25 PM #3
Dam,that sux,I just gave it a nother try with a shot of seadoo lude in each clyinder,150 p.s.i. in front,140 p.s.i. in middle,and 140 p.s.i. in back,a little better.
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05-27-2006, 06:29 PM #4
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05-27-2006, 06:36 PM #5
If your motor is stock then the 148 comes from using a POS gauge.
Now no matter how accurate the POS gauge is, 148/130/130 is bad news.
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05-27-2006, 08:35 PM #6
Thanks,I'm thanking that the oil being over filled by the dealer on my last service may have cause this problem.I have jerry's eye witness on that screw up from dealer.
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05-27-2006, 11:16 PM #7
Originally Posted by buddydoo
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05-28-2006, 12:24 AM #8
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Check valves and seats/springs
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05-28-2006, 02:58 AM #9
Your engine needs to be warmed up fully and your throttle wide open when you do your compression checks.This can have quite an effect on your readings.
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05-28-2006, 06:24 AM #10
Thanks CRS,I will give it a run today and check cylinder p.s.i. after riding.
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