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1990 seadoo sp

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lilpain

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my sp is making a loud nocking noise someone said that its a broken rod.i took it out to parker and i rand it it runs good, can some one help.if it was a broken rod it wouldint run what woul it do
 
no a borken rod would prevent motor from starting and if it does, look out so you dont get hit when it flies through side or bottom of block.


check compression. could be bad bearings, worn piston/rings...
 
Yes, it can be bad bearings... but SeaDoo pumps knock at idle. Does it go away when you get on the throttle... or does it get worse?

Worse = bad bearings.

Quiet = pump knock. (don't worry about it)
 
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