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missfiring z1

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michael thomas

missfiring z1

#1 PostAuthor: michael thomas » Sun Jun 24, 2007 3:46 pm

Can anyone help i have a 1980 z1 ltd that is suffering from missfiring every time from cold and on tickover also when the throttle is shut off i have already changed one nkg sparkplug that was definatlety duff so i am going to change the rest is there anything else i could look at :x :x
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london calling
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#2 PostAuthor: london calling » Mon Jun 25, 2007 4:13 am

Michael,fit a set of DENSO spark plugs.
NGK plugs seem to foul up very easily.
As for the mis-fire,check the igniton system and carbs thoroughly.
Has the bike been stood for any length of time??
Jack
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Pigford
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#3 PostAuthor: Pigford » Mon Jun 25, 2007 7:14 pm

Sounds like pilot jet/slow running system in carbs, probably dirty/blocked :roll:
And on the 7th day... Zeds were created!
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