rejett? with sportster mufflers

  • shawn stangel
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22 May 2014 14:06 #633490 by shawn stangel
rejett? with sportster mufflers was created by shawn stangel
i have a 79 kz400 and the back end of my pipes are roached,and i happened to have a set of stock sporty pipes tnhat have the cross member,im wanting to use the muffler only and was wondering would this normaly need to be rejetted?

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22 May 2014 14:20 - 22 May 2014 14:20 #633498 by martin_csr
Replied by martin_csr on topic rejett? with sportster mufflers
Do the mufflers have any baffles or packing or anything inside?
1981 KZ650 Competition Sports and Road
Last edit: 22 May 2014 14:20 by martin_csr.

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22 May 2014 17:48 #633546 by shawn stangel
Replied by shawn stangel on topic rejett? with sportster mufflers
yes there is baffles that have been opened up slighty

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23 May 2014 04:18 #633600 by Jrbrownie00
Replied by Jrbrownie00 on topic rejett? with sportster mufflers
I'd be willing to be you could get away with not jetting. You can put a 4-1 pipe with a baffled exhaust on a lot of bikes and no jetting is required so with you just replacing muffler I'd say your safe. Cheers.
82' kz750 ltd.
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23 May 2014 04:59 #633605 by koolaid_kid
Replied by koolaid_kid on topic rejett? with sportster mufflers
I agree, with such a simple change I doubt you would need to rejet. Be sure and read your plugs after riding it a bit with the new pipes.
1983 GPz 750
810 Wiseco, Kerker, K&N, DynoJet S3, Accel, Progressive, etc.
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