New Project(s)

Discussions and updates on your new bike, your new build, your wishes, wants and desires
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ZRX61
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Re: New Project(s)

Post by ZRX61 »

Rockburner wrote: Wed Nov 13, 2024 10:51 am @ZRX61 : You mentioned that you had a JAP at one time ( viewtopic.php?p=338529#p338529 ):

Any thoughts on the correct cam/ignition timings for a 400cc J.A.P. (500c but with a 350 crank), running 98RON petrol (not avgas or meths or any variation thereof)? Currently fitted with an AMAL Concentric.
It's been 40 years...
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Rockburner
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Re: New Project(s)

Post by Rockburner »

ZRX61 wrote: Wed Nov 13, 2024 3:17 pm
Rockburner wrote: Wed Nov 13, 2024 10:51 am @ZRX61 : You mentioned that you had a JAP at one time ( viewtopic.php?p=338529#p338529 ):

Any thoughts on the correct cam/ignition timings for a 400cc J.A.P. (500c but with a 350 crank), running 98RON petrol (not avgas or meths or any variation thereof)? Currently fitted with an AMAL Concentric.
It's been 40 years...
At this point, anything would be helpful!
non quod, sed quomodo
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ZRX61
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Re: New Project(s)

Post by ZRX61 »

I'd assume it's still in Suffolk under the barn that collapsed on it...
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Re: New Project(s)

Post by Horse »

ZRX61 wrote: Wed Nov 13, 2024 4:15 pm I'd assume it's still in Suffolk under the barn that collapsed on it...
Ricey/Rockey is too polite to ask: could you pop back, borrow a shovel, and check? TIA ;)
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