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post #1 of (permalink) Old 01-24-2001, 05:12 PM
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Polaris Storm

96 Storm, making a habit of blowing the center cylinder base gasket every 500 - 600 miles.

Purchased second hand this August w\1600 miles, having just had the top-end gone through. About 540 miles later center cylinder base goes, then this weekend about 580 miles later it goes again.

Gasket surfaces look good, not beat up or scratched. This unit doesn't have the update for the resevoir and has caused brake difficulties as it says in the recall.
Resevoir is under pretty high pressure after its been ridden for a while and I wonder if this could be adding to the problem? When it does let go its like a pressure washer spray coming from the base below exhaust port.

Any suggestions?

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post #2 of (permalink) Old 01-24-2001, 06:45 PM
Matt M38A1
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Re: Polaris Storm

Cap venting as needed?

the issue with the recall was that the bottles were burning through because of the hot brake components. The update may not directly cure the problem, but you should get those two metal peices. Is the cylinder being tourqued down correctly?

post #3 of (permalink) Old 01-26-2001, 11:35 AM
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Re: Polaris Storm

I agree.. check pressure cap. Also don't use any silicone sealer on the gasket, the Polaris base gaskets stick tight with heat. Silicone has a tendancy to be real slippery even after it dries. The Ski-doo boys have had a similar problem and I have heard of them using a center punch to add a tight row of marks on the case to grip the gasket. Also check the restrictors that are sandwitched between the gaskets on the water outlet of the head. These are between the head and outlet manifold. There are three different sizes to control coolant flow, make sure they are on the right cylinder. And again check the over flow hose, if it is pinched it will cause too high of pressure even if the cap opens up. There is a two stage thermostat in that housing in front of the coolant bottle. When then engine is cold it doesn't allow flow to the coolers, when it opens the coolers get warm. Like a automobile if it sticks you will overheat and build lots of pressure in the system.
Try those.

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