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Discussion Starter · #1 ·
I just purchased a 2001 arctic cat zr800 with a 900cc engine. This is my first snow mobile being owned. I have a couple questions if you guys don’t mind helping me out please.

1.) one of the spark plug boots is loose, isnit eash to replace just the boot? If you reference pic the boots are different.

Where can I find model number for the engine? I want to know what year it is.

How much coolant/what kind to use?

Do you premix the two stroke oil with gas? Or is there an oil pump?

Rear shock needs to
Be replaced, I have the gas shock. Any tips on installing? Just watched
 

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Discussion Starter · #4 ·
Thank you Greg. Yes, I realized now there is an oil tank, so no need to mix, I’m sure the owner woulda addressed oil needs to be mixed. I am going to remove the ski track and install the shock soon. It runs rich I was told. I purchased seafoam and was going to decarb the ski however since it’s an older ski I might not. What psi should each cylinder be hitting from a psi test 125? Going to clean carbs eventually. Spark plug boot is ngk tb05ema it screws right off.
 
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