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How long do snowmobile engines last?

This is a discussion on How long do snowmobile engines last? within the Engine forums, part of the The Performance Tuning Shop category; I've got a 1996 Arctic cat wildcat 700 with 4450 miles on it. It starts and runs good, its got about 115 psi of compression ...

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Thread: How long do snowmobile engines last?

  1. #1
    Official Heat Hater.
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    700wildcat's Avatar
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    I've got a 1996 Arctic cat wildcat 700 with 4450 miles on it. It starts and runs good, its got about 115 psi of compression on both cylinders. But i've noticed that a lot of people are rebuilding their sled engines with only a few 1000 miles on them[color=black][/color=black]. Am I maybe just lucky that my sled has made it this far?

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    polaris21's Avatar
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    Some sleds will last over 10,000 miles and never been apart, and the next sled ont last 1000. Its just how well theyve been taken care of and how often they have been maintenance

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    DaveMN's Avatar
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    one guy i know had a 98 formula III 700 with over 5000 miles on it and still running strong. there are others with the same model and year and they have been lucky to get 1500 miles. there are so many variables, maintenance and the use and abuse it sees, riding conditions, fuel and oil used.....

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    NathanFrier's Avatar
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    I had a 1994 Polaris XLT Special 580cc and It had 9300 miles when I sold it and the engine has never been touched.

    Attachment 152028


    I know a guy that got just over 17,000 on his 1995 XLT.
    So basically its hard to predict if u got a lemon or not.

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    Hughes_097's Avatar
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    i sold an xcr triple ccylinders took a crap at different times first cyclender 4250 miles sencond 857 third 2800 the thing ran great

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    ripperd's Avatar
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    Wearing out is different than blowing.

    Snowmobile 2-stroke motors will last 10,000-20000 miles depending on model and how well it is taken care of before they need either a top end rebuild, or a bottom end rebuild.

    You have about the same chances of blowing the motor at 10 miles as at 7500 miles. Blowing motors happens from snow ingestion, running out of oil, clogged carbs, overheating, ovverrevving, bad gas, or other abnormal conditions. These can happen anytime if you do not take care of your sled, and are independent of millage.

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