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CB400Four cylinder bore clearance NOS pistons 51,75

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Nurse Julie:

--- Quote from: eem46 on February 04, 2020, 02:47:25 PM ---I am working on two bikes at the same time, not very efficiënt, one complete stock, with many NOS parts (including exhaust header) CMSNL loves me,  and one fast version (big bore, alu rims, bored carbs by Rick Denoon, Kevin TTR parts, stage two welded web cam, stainless Motogpwerks exhaust, alu Koni's, skimmed drilled disc, Hyperpro front springs, Pro bolt titanium bolts, K&N filters, BT45's)
So yeh enough to do! :-)

@Julie : PS: tolerance piston for aftermarket big bore kit? 0.03mm?

Kind regards,

Emiel

--- End quote ---
Gosh, you are very adventurous, good luck with both. I'm  not sure about big bore kit pistons clearance as Trig doesn't get involved with them at all but, pattern pistons such as Cruzinimage, Trig would work to 0.0254 clearance, which is 1 thou of an inch. The piston manufacturer should be able to tell you the info you need.

SteveD CB500K0:
Rick Denoon.

Now there’s a name from the past.

Assume he’s still in the business?


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eem46:
He did my stock CB carbs very nicely, quick work and quick shipping from Canada. But yeh that was 3 years ago, he was also working on a speed throttle for the CB 400 four carbs, I got one of his prototypes, but didn't test it yet to be honest.

SteveD CB500K0:
(Quite) a few years ago he launched a 400/4 newsletter. I signed up but only ever got one.

There again, the last blog I posted was 5 years ago…

Life eh?


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mattsz:

--- Quote from: SteveD CB500K0 on February 05, 2020, 10:53:29 AM ---(Quite) a few years ago he launched a 400/4 newsletter. I signed up but only ever got one.
--- End quote ---

His site is still active:

http://www.denoonsp.com/index.htm

During a 400/4 cam chain google search, I stumbled across his first newsletter (which, BTW, has a very nice description of the cam chain arrangement).  Digging down into his site a bit, I found two other newsletters.  Hopefully it's ok to link to them here - they are publicly available on his site:

http://denoonsp.com/user/image/v1-issue1.pdf

http://denoonsp.com/user/image/v2-issue1.pdf

http://denoonsp.com/user/image/v3-issue1.pdf

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