Author Topic: polaris jackshaft (Read 7440 times)

invader87 · « **on:** November 12, 2013, 07:36:06 AM »

i know this topic was on the old site but bear with me. has anyone on this site succesfully installed a polaris jackshaft and secondary on a invader or ltd? i have all the parts to do it just looking for some additional info. thanks guys.

invader87 · « **Reply #1 on:** November 15, 2013, 10:31:09 AM »

finalized the install last night. just had to make a little clearance on the webbing of the backside of the chaincase and she bolts right in. polaris brake disc and all. easy as pie

kawhead · « **Reply #2 on:** November 15, 2013, 12:07:49 PM »

off an indy? what year?

invader87 · « **Reply #3 on:** November 15, 2013, 03:37:08 PM »

it was off an xc not sure what year.

badcats · « **Reply #4 on:** November 15, 2013, 05:00:32 PM »

would you have a picture of the shaft, was it a painted black one or the gold finish, did you install a hydraulic brake

kawhead · « **Reply #5 on:** November 16, 2013, 08:03:44 AM »

ditto...also,what year/model p85 will work?

invader87 · « **Reply #6 on:** November 16, 2013, 01:59:44 PM »

black shaft with the splined brake.

i will be using a hydraulic brake because it will be an oval sled but with a little more playing around the stock brake would work.

invader87 · « **Reply #7 on:** November 16, 2013, 02:30:34 PM »

79Intruder · « **Reply #8 on:** November 17, 2013, 06:25:56 AM »

Wow That is awesome. I was thinking of some thing like that for my 79 Intruder. Did the original chain gear fit in the jack shaft? Also what is up with the tie rod? It looks a lot different than stock. Thanks Marc

invader87 · « **Reply #9 on:** November 17, 2013, 08:56:56 AM »

i changed the angle of the steering arms on the spindles to change the akerman. i also wanted to go to a larger 7/16 heim joint so i had to make my own tie rods.

Shawn · « **Reply #10 on:** November 17, 2013, 01:43:07 PM »

My compliments on your workmanship. Things look very nice so far. The Polaris clutching is a good choice simply due to parts availability and ease of tuning. My Interceptor wears Polaris clutches (jackshaft?). When I eventually get to that stage I'll see what part #'s things are ? Thus far I have an engine which when secured to the workbench ran for a couple seconds on spray.

Teherr · « **Reply #11 on:** December 28, 2017, 08:50:22 AM »

I want to bring this thread back alive. The pics are gone. I have a few Kawi oval racers and would like to change to polaris secondary and hydraulic brake. invader87. do you still have the pics? any other details you can share. thx

jtervaniemi · « **Reply #12 on:** January 02, 2018, 04:10:27 PM »

Hi
I used a jackshaft and brakedisk from a indy 400 in my invader.
Secondary clutch I have a Arctic with rollercam.
Everything was bolt on.

jtervaniemi · « **Reply #13 on:** January 02, 2018, 04:15:09 PM »

The engine clutch is an Arctic 108exp

Teherr · « **Reply #14 on:** January 02, 2018, 08:15:59 PM »

wow, nice pics and great looking work. Thanks for the info. I am in the search for 2 or 3 indy jackshafts.

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Author Topic: polaris jackshaft (Read 7440 times)

invader87

polaris jackshaft

invader87

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kawhead

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invader87

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badcats

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kawhead

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invader87

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invader87

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79Intruder

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invader87

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Shawn

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Teherr

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jtervaniemi

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jtervaniemi

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Teherr

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