tranny flush

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Jun 2, 2008 | 02:02 AM

jeff.knittle

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Stage I

Joined: Jun 2008

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tranny flush

is it recomended to flush a harley tranny on a 90 electra glide classic with kerosene?

Jun 2, 2008 | 05:09 AM

FLAMED96

Cruiser

Joined: Dec 2006

Posts: 178

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From: Central Valley CA

RE: tranny flush

I remember the old shovelhead service manual telling you to flush the engine oil bag with kerosene to remove any settiment and sludge but don't recall it telling you to flush the tranny, I wouldn't think the tranny would have enough sludge to warrant a kerosene flush, would probably be very hard to remove all of the kersosene and would not get to high enough temp to evaporate it all without thinning the gear oil.

Jun 2, 2008 | 06:24 AM

dog155

Extreme HDF Member

Joined: Nov 2006

Posts: 13,389

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From: Windham,Maine

RE: tranny flush

You don't need to do that,just drain good and add new fluid.

Jun 2, 2008 | 07:25 AM

jpooch00

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Joined: Jun 2007

Posts: 4,867

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From: People's Republic of Boulder Colorado

RE: tranny flush

Kerosene could possibly damage the seals. When I get a used bike, I drain the old fluid, fill it with cheapest 20W50 motor oil and drive it for a couple of miles and then immediately drain it overnight. Then fill it with, in my case, Redline heavy shockproof.

Best wishes,

John