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Old 04-29-2008, 03:45 PM   #1
yamatrike400
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Default Shortening pipes? PLEASE HELP

Would shortening the stock pipes/muffler on a 82 yamaha 400 have a significant affect on performance if any? please help if you can, because when i had the pipes separated(on the bottom where they connect) there was a big decrease in performance...not sure if shortening would make it worse,i need to shorten them because they hit the axle(3 wheeler axle on rear) and rub on the tires.PLEASE HELP
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Old 04-29-2008, 03:59 PM   #2
Buzglyd
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I don't know but you have to offer that thing up for a MO road test.

I'll put on my wife-beater and fly out there and do it myself! I believe in the right to bare arms.
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Old 04-29-2008, 04:09 PM   #3
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Probably nothing a Factory brand jetkit and some extensive Dyno time won't cure.

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Old 04-29-2008, 05:42 PM   #4
yamatrike400
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Well i went ahead and did it,and it seems fine if not better than before,i may need to richen it up a bit,thanks guys your the only forum who actually replied to me on this
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Old 04-29-2008, 07:59 PM   #5
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Quote:
Originally Posted by yamatrike400 View Post
Well i went ahead and did it,and it seems fine if not better than before,i may need to richen it up a bit,thanks guys your the only forum who actually replied to me on this
You NEED to post more picks of the bike when you have it up and running. It is a hideous looking monster and looks dangerous as hell. And I mean that in the best possible way!
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Old 04-30-2008, 05:14 AM   #6
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Ok will do,i mounted a snowmobile front shock on the rear and gained about 8 inches of travel,it looks sweet.
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Old 04-30-2008, 09:03 AM   #7
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Originally Posted by yamatrike400 View Post
Ok will do,i mounted a snowmobile front shock on the rear and gained about 8 inches of travel,it looks sweet.
It'll Never Work!

(sorry, just giving you a little extra "naysayer" encouragement)

Ride A Horse!!
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Old 05-01-2008, 04:32 PM   #8
yamatrike400
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I took a few pics,I get some weird looks goin down the street,people always want to know what she is!





Last edited by yamatrike400 : 05-01-2008 at 04:35 PM.
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Old 05-01-2008, 04:44 PM   #9
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Dang. That has to be hard on your tush.
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Old 05-01-2008, 04:52 PM   #10
yamatrike400
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I just took the seat off so you could see the shock i put on.
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