backfire with aftermarket exhaust - K-Bikes.com - Excellence in Motion
 
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post #1 of 7 (permalink) Old Jul 24th, 2008, 9:22 pm Thread Starter
 
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backfire with aftermarket exhaust

I have a Ztecknik titanium exhaust and everytime I let go of the throttle in a low gear, the bike backfires like a harley. Anyone experience this? Is this normal?
I am new to "K's"
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post #2 of 7 (permalink) Old Jul 24th, 2008, 10:11 pm
 
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I don't get a lot of backfire out of my Staintune on decel. Check it out, I have a video of a run from 0-60-0 here somewhere and you can hear the result:

http://www.youtube.com/watch?v=GOtBc1XiwvY

http://www.youtube.com/watch?v=eTCNpfFtTi0
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post #3 of 7 (permalink) Old Jul 24th, 2008, 11:00 pm Thread Starter
 
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My Dad has the same exhaust as you and I love the sound on his K12RS.
My Ztech sounds a bit cheap.
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post #4 of 7 (permalink) Old Jul 24th, 2008, 11:24 pm
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If you have an air leak around the header to cylinder head flange, you can get a backfire on desil. Check the torque on your header studs.

Bruce C
'04 K1200RS Capri Blue(totaled)
2008 Triumph Sprint ST
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post #5 of 7 (permalink) Old Jul 24th, 2008, 11:33 pm
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I have a Remus Titanium Exhaust and it backfires like you describes. At first, I was worried, but now I have grown to love it...
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post #6 of 7 (permalink) Old Jul 24th, 2008, 11:53 pm
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yup, it has backed fired for the last 33,000 miles with my Remus. I tried a lot of times to make it seal better but it still booms.

It does it a little less since I put a power chip in.
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post #7 of 7 (permalink) Old Sep 13th, 2008, 2:28 pm
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pop bang bang

Hi Al:

I notice my Beast pops, as does Brand H, if the throttle is not completely closed on decel. My guess is there is a glitch in the software allowing a bit of extra fuel to squirt into the intake. Not being a software engineer (did ya get that memo?), I choose to enjoy the BMW 'pop music'.

PS got to ride my sister-in-law's HD Nightster while visiting the family -- what a freakin vibrating piece of machinery! The thing seemed to like 55-60MPH, but not much more. I was seeing double the whole time....but it's her favorite. Must be a girl thing?

Carry on!
Mark
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