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Honda 400/4 camshaft design is it normal?

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McCabe-Thiele (Ted):

--- Quote from: Nurse Julie on November 19, 2020, 04:55:46 PM ---The cam cover bearing surfaces are usually fine. It's the cam chain pulling the cam downwards that causes the problem to the head.

--- End quote ---

Yeah I had thought about that plus the valve springs pushing back on the camshaft.

Bryanj:
As long as oil and filter changed every 1500 miles they will last 100's of 1000 of miles

philward:
I converted a 750 cam carrier (different design to the 400 I know) in the late 80's -used shells on bottom and new caps that held lowere shells in place then line bored, I did work at BAE system though so had access to the right machinery

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