I'm noticing that my CBR1000 striker seems to producing a loud popping (backfire?) when coasting ie. under engine breaking.

Is this normal?

Isn't it just great

Most highly tuned engines do - just make sure it's tuned right...

What has Broken??... Its Braking when you are slowing... and Breaking when its falling apart!
Hope you done mind me having a POP at you (Wow I made a Pun!)

Popping in the exhaust is often a fuel mixture issue, or more likely an air leak in the exhaust.

Thats my 2d worth.

Nowt wrong with a bit of popping... especially on a BEC doing several K revs coming down through the gears. At least they cant say they didnt hear you coming!.


[Edited on 1/9/2005 by wilkingj]

Thanks for the info.

I'll monitor it to check that it does'nt get too bad, and have a look for an air leak in the exhaust.

Other than that I suppose I ought to start enjoying the sound!

quote:

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Originally posted by Hellfire
Isn't it just great

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Danozeman - 1/9/05 at 07:40 PM

If it was mine id keep booting it and slowing just for the noise!!!

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Gav - 1/9/05 at 09:36 PM

hehe, i remember a guy i used to ride with enjoyed hitting the kill switch on his R6 and turning it back on while passing old grannies

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phelpsa - 1/9/05 at 10:07 PM

quote:

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Originally posted by Gav
hehe, i remember a guy i used to ride with enjoyed hitting the kill switch on his R6 and turning it back on while passing old grannies

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I know a guy who did that. He then put a carbon can on his bike and tried it. There wasnt much carbon left on it afterwards

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Lotusmark2 - 2/9/05 at 05:53 AM

I use to have a 2L twin cam sierra that was very highly tuned and remapped and that popped its way along when coasting, dont you just love it!

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jambojeef - 2/9/05 at 09:35 AM

Just to add my experiences....!

My CBR 1000 does pop quite a lot just on idle - more than my CBR600 engine did in my bike.

I wondered whether it was running pretty rich or there was something wrong on the ignition side but it seems to rev pretty freely? Might be worth checking the mixture?

Geoff

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