1999 Polaris scrambler 400l tranny reliability? - ATVConnection.com ATV Enthusiast Community



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Old 03-17-2017, 10:11 PM
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Default 1999 Polaris scrambler 400l tranny reliability?

So after I fully rebuilt my 400, I got paranoid about the tranny failing and could not find any threads about the scrambler's drive train reliability for the 400.

Any feedback would greatly be appreciated.

thanks.
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Old 03-18-2017, 08:05 AM
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Normally reliable if you do regular oil changes with AGL or suitable oil for chain driven gear cases. The most common weak link is the silent chain. Around 40 bucks,but the hard part is getting the gear case out and installing a new one.
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Old 03-18-2017, 08:10 AM
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Ive heard about those silent chains in the tranny, would you be able to hear it if it was bad? I normally use polaris's gear oil when i change it.
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Old 03-18-2017, 08:48 AM
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You'd hear it and feel it if the silent chain stretches too far. Usually a grinding noise on take off or if bad enough they'll grind and the machine won't move.
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Old 03-18-2017, 12:16 PM
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Ok, thank you very much for the info!
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Old 03-18-2017, 12:45 PM
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Several videos on the gear cases.
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