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Author Topic: 300 KIT ON A k8  (Read 2872 times)

Offline Busa08

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300 KIT ON A k8
« on: September 27, 2009, 10:52:53 PM »
Is it true that you loose HP with a jack shaft with a 300 kit because i was looking to buy 1 and was told Im going to loose HP, Or what will I hae to do to keep the HP
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Offline Bigrod330

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Re: 300 KIT ON A k8
« Reply #1 on: September 29, 2009, 06:15:54 PM »
YEP....I have a 330 and due to the spinning mass wieght and the dual chains...it robs about 25 HP away from the bike.   BUT, I just did a conversion of cutting off the jackshaft dual cog and goind OSD kit.  The OSD is one chain on the outside of the frame.  The bike feels so much better now.  More ballanced feel and smooth, ALso the seat of my pants says I freed up 15 HP back to the bike now...No dual chain friction.

IF your going to run a fatty and run it hard / at the track..make it a OSD kit.  Not just for less HP robbing, but my old jackshaft cog was constantly blowing out the bearings from track launches.
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Offline Busa08

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Re: 300 KIT ON A k8
« Reply #2 on: October 01, 2009, 07:34:10 PM »
Thanxx Bro I think Im going with a 240 kit  to where I wont loose any HP
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Offline BusaBear

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Re: 300 KIT ON A k8
« Reply #3 on: October 16, 2009, 10:09:56 AM »
i went -1 up front +2 out back.
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Offline Bigrod330

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Re: 300 KIT ON A k8
« Reply #4 on: October 16, 2009, 11:54:42 AM »
Your gearing does not help with the jackshaft and the fatty weight steeling HP from the bike.  THu gearing will help it feel snappy.  I went -1/+3 for the track.
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