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transmission oil for polaris 330/325/250 trail boss/ trail blazer?

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transmission oil for polaris 330/325/250 trail boss/ trail blazer?

Old 07-22-2009, 10:22 AM
Weekend Warrior
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Join Date: Feb 2008
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Default transmission oil for polaris 330/325/250 trail boss/ trail blazer?

I wanted to ask if anyone out there was running anything besides the polaris AGL fluid in the transmission.

Has anyone tried anything thicker, like full synthetic mobil/rotella 10w40 oil?

The reason I ask is that we took our 250s to the sand dunes (modified with HPD pipe and silencer, clutch kit), and the transmission gets really hot! Granted it is a lot of work to take my 210 lbs up and down the dunes, but this was in May (not the heat of the summer).

I have taken the transmission completely apart before to reseal it, so I know what the inside is composed of...basically a silent chain and a couple of huge bearings.

Does anyone see a problem with running a little thicker oil, and has anyone ever done it?

Price of AGL is really not an issue.


Old 07-22-2009, 11:41 AM
scootergptx's Avatar
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I've seen posts in here where someone said they used regular motor oil. 10w30 if I remember right, but don't quote me on that.

I've always just used the AGL oil as it doesn't take that much. We've ridden in over 100 and never had a problem. But I've never had them out in any dunes, so don't know how that temp would compare.
Old 07-22-2009, 04:28 PM
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You have to realize these are chain cases not gear boxes.Stat with a chain case lube.I wouldnt put a motor oil in it.
Old 07-22-2009, 05:49 PM
Join Date: Dec 2008
Location: Atlanta Michigan
Posts: 71
Default Transmission Fluid

You can use AMSOIL 2000 chaincase lube. Or AGL thats the only two I would use. I use the AMSOIL 2000 chaincase lube.
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