Moorron
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| posted on 26/9/07 at 07:54 PM |
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Exhaust change, retune?
I bought a modded carbon R1 can off a member here as my current can is a straight thru jobbie and way too loud for any track.
I had to cut down the R1 can by about 2" off the front chamber to get it to fit, not too hard but plenty of time spent on it. I did this so i
could swap the 2 cans when i wanted and also the fact i have nearly finished a turbo install which has the inter section already made for the old
can.
I trial fitted the other day and just warmed the engine up in the garage, its so much quiter.
But i need to know if im going to have to change the jets of my CBR1000F every time i change cans? What are the effects of having a much more
restricted can on the fueling? will test drive it this weekend to see how its effected power. But am i likely to damage anything?
Cheers.
[Edited on 26/9/07 by Moorron]
Sorry about my spelling, im an engineer and only work in numbers.
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ReMan
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| posted on 26/9/07 at 08:52 PM |
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IMHO, if it's jetted with the free flowing performance can on, then you put the quite one on it may run a bit rich, but it won't hurt
it.
Better that than the other way round which could run it weak, which is potentially more damaging
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gingerprince
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| posted on 27/9/07 at 08:06 AM |
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I did a similar thing for noise, changed micron race can for standard gixxer can. Ticked over fine once I'd adjusted idle, revved okay on the
driveway but as soon as I gave it any real beans on the road it would choke, stutter and not pull at all.
It may have been that it was running a bit rich with the old can anyway so the effect was exacerbated, but it was very noticable that it wasn't
right so I got it re-jetted on the rollers.
So in theory I'd say yes you will need to. However if you can get a spare set of carbs cheap from somewhere, you could have one setup for each
can - swapping carbs is a lot less messy than re-jetting every time!
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