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Old 05-14-2010, 02:51 PM   #1 (permalink)
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02 xcsp 600 compression psi?

anyone know what kind of compression i should have? 02 xcsp 600
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Old 05-14-2010, 02:55 PM   #2 (permalink)
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anything over 120-125 and both cylinders should be within 10% of each other. if you dont trust the gauge you're using then test with it, then with a different gauge and compare the readings.
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Old 05-14-2010, 02:56 PM   #3 (permalink)
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Depending on elevation, 120-140 would be pretty normal. Some will go as high as 150. If it's below 100, that would indicate a lot of wear. 100-120, I would be watching it, but would not tear it down unless there was another problem to fix, unless it was really hard to start or didn't have the power it once had...
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Old 05-16-2010, 06:43 AM   #4 (permalink)
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Alot of the Polaris had realitivly low compression even new (125) Alot would depend on millage! If you have over 3000mi and your compression is at or below 120# @WOT I would take it down and freshen it!
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Old 05-17-2010, 07:48 AM   #5 (permalink)
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what do you look for on a tear down. we looking at repl pistons, rings, replate cyl? or if everything is in good shape re-ring it?

i have alot of experience with race stuff but not 2 stroke. i need to learn the lengo. my logic tells me to measure the cyl, the piston if they are within spec re-ring it.

is my 02 polaris xcsp 600 nikasil??

thanks for the help.
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Old 05-17-2010, 08:06 AM   #6 (permalink)
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^^^^^^^^^^^^
You got it right.
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Old 05-17-2010, 04:50 PM   #7 (permalink)
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Look at everything, look for hair line cracks in the pistons. Look for scratches in the walls. Look for pits in the heads.
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