well after what seems like 50 years,we got round to firing up the shitheap,and true to form didnt go to plan the kill switch has decided it wanted to die,so we bypassed that,now it wants to fire but just backfires instead were thinking timing,but anyone got any ideas please?
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ive seen more tarts than mr kipling

I was going to say mice in the air box 😁
It could be so many things. It might be worth charging the battery, chucking in some new plugs and some fresh fuel before looking for any serious issues.
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Why do things simply when you can complicate them

thats the issue rob,everything is new
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ive seen more tarts than mr kipling

When my sh*t hgeap wouldn't start they said it was the battery - changed that and it fired a couple of times then died. Wouldn't start and turned out to be the PGM. I now have four of them so never be a problem again. But I have found that if the battery isn't fully charged it's a bastard to start. I'll kick the sh*t out of it for ages too when it hasn't run but once I get it going starts first second kick all the time.

Good luck

How's the bike going now?

Have you had a look at the ignition picks?
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Why do things simply when you can complicate them

to be honest mate,ive not looked at it got a second hand brembo master cylinder now though to replace the knackered r1 cylinder
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ive seen more tarts than mr kipling