SOHC.co.uk Forums > CB350/400

JOY ENGINEERING

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K2-K6:
Not to comment on the OP question, but did anyone notice the detail in their site picture?

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It's got an advance/retard mech on the camshaft to, I guess, make the rev range expand through raised rpm timing changes. I wonder what it's from, looks like a twin cam single.

Bryanj:
Id guess ducati

K2-K6:
I thought most Ducati are desmodromic with the conventional cam and inverted lobe to close valves.

Certainly makes me think though as I've not seen that before,  perhaps one of the 450 motocross singles as they rev pretty high as well as having torque. Intriguing though, and quite clever lateral thinking.

Clouddancer:
https://www.motorcyclewebsite.com/item/joy-engineering-camshaft-specialist/

this is the correct Adress / WEB SITE, Phil is doing a brillant Job and can offer Camshafts which have not Std. Profiles .
I bought an Camshaft for the CB 400 Four which gives a Punch from 7500-11.000 rpm , accelleration like a Lightweight two Stroke Bike....
And now I want more from JOY ENGINEERING :
Hopfully somebody knows more whats going on their. Maybe extendet Christmas / New Year Holidays.

Seamus:
He was the chap that produced the cam for my slightly modified 500 four. It is a Yoshi grind. Requested info on the cam from him a year or so ago. Very helpful
Contacted him at joyengineering@btconnect.com

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