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Why would 2001 seadoo xp have 30 and 60 psi? Blown head gasket?
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Re: Blown head gasket?
Inaccurate gauge and engine problems.http://www.facebook.com/twinlakesjetskirepair
'89 Kawi 650SX 42.4 GPS
+3" stock pipe, ported ex. manifold, drilled waterbox, blueprinted pump, Ocean Pro ride plate
'99 Yama GP1200 65U 61.8 GPS
ported cylinders, matched cases, milled head, blueprinted pump, long ride plate
'96 Seadoo HX 717 53.13 GPS
light porting, massaged cases, lightened flywheel, port matched manifolds, Rossier pipe, stubby pump cone
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Re: Blown head gasket?
What kind of engine problems?Comment
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Re: Blown head gasket?
like a bad seal between piston rings and the cylinder wall, or piston damage. or a bad head gasket like you stated aboveComment
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Re: Blown head gasket?
If the gauge is accurate. Then the cylinders have lost compression due to possible broken piston ring(s), scored cylinder walls etc.
You could pull the head shell off and look into the cylinder and visually inspect the piston and rings and the cylinder walls in each cylinder.
You can also turn the motor by hand using the PTO on the back of the engine(might be under a plastic cover) and inspect the cylinder walls and ports.
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Re: Blown head gasket?
Thanks, could it also, possibly be the crank?Comment
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Re: Blown head gasket?
not really, the crank doesn't really affect compression directly, unless u had a broken con rod or somethingComment
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Re: Blown head gasket?
Thanks, this is my first time posting, you guys were a lot of help.Comment
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Re: Blown head gasket?
Not to my knowledge.
Was it spitting out sludge or oil out back from the exhaust or was there oil collecting in the bottom end?
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Re: Blown head gasket?
Is your ski all stock or modified in any way?
Or is this ski new to You and don't know the history of it?
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Re: Blown head gasket?
I'm not sure what happened. It's for sail on craigslist $1000Last edited by Xpkev; 09-13-2017, 08:24 PM.Comment
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Re: Blown head gasket?
Just some info for Ya to consider...
$1k for a non-running ski is expensive in my book. If I were to buy it. I would negotiate a price to about $300-$500 max.
Consider the motor alone from SBT(as an example) with a core exchange is $1,200.00 plus whatever other system repairs that need to be repaired which equates to more money.
So $1k + $1,200 + unknown costs for other repairs = $2,500-$3,000 minimum.
You could get lucky and spend less in repairs if it is a sound ski and all other systems work correctly.
I assume you would be doing the work yourself?
Otherwise figure a Shop's rate at $100/hr. Will add up quickly. But a reputable Shop will get it done right.
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