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Title: Exhaust change ?????? Post by: sbui on June 24, 2009, 04:41:33 AM I got a 97 M750 and was wanting to cut the exhaust and make it like the MotoGP style exhaust. Will I have to do anything to my engine after it's done. Basically cut it down, and have pipes only.
Title: Re: Exhaust change ?????? Post by: teddy037.2 on June 24, 2009, 07:12:14 AM your fuelling may end up a bit wonky... which would then lead to carb work.
or something like that. Title: Re: Exhaust change ?????? Post by: EEL on June 24, 2009, 07:16:29 AM +1 let the fueiling nightmares begin. You'll have to run a lot richer to conpensate for the reduced backpressure.
Title: Re: Exhaust change ?????? Post by: A.duc.H.duc. on June 24, 2009, 07:35:02 AM Not on the Carby bikes. You should be fine honestly, may want to richen the mixture a little bit to get best performance out of it, but especially if you haven't cut the airbox, you can run your 750 without pipes on it at all and be fine.
Justin Title: Re: Exhaust change ?????? Post by: Howie on June 24, 2009, 05:39:14 PM If you leave the crossover alone you should be fine.
Title: Re: Exhaust change ?????? Post by: A.duc.H.duc. on June 25, 2009, 02:11:41 AM I should clarify that I don't mean with out headers at all, just without any exhaust cans... Title: Re: Exhaust change ?????? Post by: woppini on June 25, 2009, 05:13:24 AM Get some ear plugs! Each bike is different, you may or may not have to rejet. I put on slips ons (my bikes injected) and was amazed how far I had to ramp up the mapping. Some bikes the owners claim they dont need any adjustments with a full system. The only way is to try it out, see how it feels.
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