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    Compression Question

    Hypothetically speaking.. you’ve just bought a new Polaris 1200 watercraft.. what should the compression be? The repair manual says 125 psi is acceptable.. what was/is “new” compression?


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    savageman69's Avatar
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    anything above 120 on a domestic is good...anything 100 lower is on the way down...im not sure new compression but pretty much every domestic ive tested has been around 125....these are not high compression i have a feeling 125 is fresh.

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    casey67's Avatar
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    Quote Originally Posted by Me_man View Post
    Hypothetically speaking.. you’ve just bought a new Polaris 1200 watercraft.. what should the compression be? The repair manual says 125 psi is acceptable.. what was/is “new” compression?
    New compression is taken with Polaris's guage. Other gauges might vary, the length of the hose makes a difference-shorter is better.
    IIRC my 1200's are around 140. Most important that they are relatively even.

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    Quote Originally Posted by Me_man View Post
    Hypothetically speaking.. you’ve just bought a new Polaris 1200 watercraft.. what should the compression be? The repair manual says 125 psi is acceptable.. what was/is “new” compression?

    Out of the box they should be around 135psi...but like casey67 said...better that they are all even.

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