Annoying misfire

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Baldy
Posts: 8
Joined: Tue Sep 24, 2013 5:15 pm

Annoying misfire

Post by Baldy »

Just got the bike 1999 24,000 miles had front head recently replaced due to CCT failure, this is as much history i have got for it. Bought it at a good price as it has an intermittant misfire on the rear cylinder, there seems to no telling when it may happen sometimes at tickover runs on 1 other times its ok also happens when i'm riding although does appear to clear at higher revs.
Any ideas or knowledge of common faults that could cause it?

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AMCQ46
Posts: 14928
Joined: Mon May 11, 2009 3:54 pm
Location: Worcestershire / Warwickshire border

Re: Annoying misfire

Post by AMCQ46 »

Assuming the pligs have been changed it is worth fitting a new rear coil as a starting point........or better still convert them both to stick coils as it is a good mod, and the parts will be much newer than any replacememt Storm Coil
AMcQ

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Phimosis
Posts: 291
Joined: Mon Dec 05, 2011 3:43 am
Location: Posh Chepstow

Re: Annoying misfire

Post by Phimosis »

check plugs, they eat a set of iridiums in 6k, well mine does, and are you talking blow back like a boom under the tank...that is normal too
She told me she was 16.

Baldy
Posts: 8
Joined: Tue Sep 24, 2013 5:15 pm

Re: Annoying misfire

Post by Baldy »

Done the plugs...think i might try the stick coil mod.

Has anyone got any info on this, which coils to use and any adaptations needed etc?

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AMCQ46
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Joined: Mon May 11, 2009 3:54 pm
Location: Worcestershire / Warwickshire border

Re: Annoying misfire

Post by AMCQ46 »

there should be a sticky thread in the workshop knowledge base
AMcQ

Baldy
Posts: 8
Joined: Tue Sep 24, 2013 5:15 pm

Re: Annoying misfire

Post by Baldy »

Thanks for the help folks....

Stick coils fitted running nicely on both pots, need to find time for the manual CCTs now.

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sirch345
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Joined: Mon Aug 25, 2003 9:35 pm
Location: Cornwall, UK

Re: Annoying misfire

Post by sirch345 »

This topic is being moved into the "Workshop" section,

Chris.
A closed mouth gathers no foot. :thumbup:

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