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My 1975 CB400F restoration project

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K2-K6:
Very nice work ozzybud.

When contemporary there were so many different bikes around that these didn't look out of the ordinary, but recently working with someone on their 400, having some time up very close to get something fiddly worked out, then it repeatedly shows what a brilliant piece of production engineering they were at that time, even more appreciated now.

Lovely bike to own and ride.

McCabe-Thiele (Ted):

--- Quote from: Nurse Julie on March 01, 2024, 07:13:57 PM ---'Can the Valve cover be removed in frame on the CB400f?'
Yes, it can.

--- End quote ---

The head & block can also be removed with the engine in the frame - you just have to ensure the camchain does not fall inside.

ozzybud:

--- Quote from: K2-K6 on March 01, 2024, 09:36:18 PM ---Very nice work ozzybud.

When contemporary there were so many different bikes around that these didn't look out of the ordinary, but recently working with someone on their 400, having some time up very close to get something fiddly worked out, then it repeatedly shows what a brilliant piece of production engineering they were at that time, even more appreciated now.

Lovely bike to own and ride.

--- End quote ---

Thank you! Very well said.

When doing my restorations I am constantly amazed at the great engineering these bikes had. One simple feature that always comes to mind is the Passenger Footpegs. Using The Rubber Pad as the SPRING That keeps them in Place( Up or Down).. There are 100 more examples i am sure.

ozzybud:
 :-*
--- Quote from: McCabe-Thiele (Ted) on March 01, 2024, 09:40:35 PM ---
--- Quote from: Nurse Julie on March 01, 2024, 07:13:57 PM ---'Can the Valve cover be removed in frame on the CB400f?'
Yes, it can.

--- End quote ---

The head & block can also be removed with the engine in the frame - you just have to ensure the camchain does not fall inside.

--- End quote ---

Thank you Ted! 

The bike pulls strong , doesn't smoke and has good compression. so i wont be messing with the internals.

I Plan on pulling the cover to detail it, while i am at it clean up the carbs and clean up the fins on the head and Jug.

taysidedragon:

--- Quote from: ozzybud on March 01, 2024, 10:48:14 PM --- :-*
--- Quote from: McCabe-Thiele (Ted) on March 01, 2024, 09:40:35 PM ---
--- Quote from: Nurse Julie on March 01, 2024, 07:13:57 PM ---'Can the Valve cover be removed in frame on the CB400f?'
Yes, it can.

--- End quote ---

The head & block can also be removed with the engine in the frame - you just have to ensure the camchain does not fall inside.

--- End quote ---

Thank you Ted! 

The bike pulls strong , doesn't smoke and has good compression. so i wont be messing with the internals.

I Plan on pulling the cover to detail it, while i am at it clean up the carbs and clean up the fins on the head and Jug.

--- End quote ---

Just make sure that you slacken off all the tappets/rockers before you loosen the cover screws.

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