SOHC.co.uk Forums > CB350/400
CB400/4 ENGINE STRIP, ASSESSMENT AND REBUILD BY JULIE - NOW COMPLETE
mike the bike:
I was thinking the same; how on earth did those shagged pistons drag Julie to Crich and back.
Nurse Julie:
Those shagged pistons have dragged me around for almost 5000 Mike !!!!. Anyway, I'm a true biker at heart, I'm not going to let something like knackered pistons stop me. Don't forget I'm into Brit bikes so I'm used to having bits fall apart, blow up and stop working ;D ;D ;D
JamesH:
Just imagine how lovely the 400 is going to be once you've sorted the engine Julie...!!
Nurse Julie:
--- Quote from: Jamesh_sussex on October 12, 2017, 05:59:51 PM ---Just imagine how lovely the 400 is going to be once you've sorted the engine Julie...!!
--- End quote ---
Yes James, she will be lovely.
Nurse Julie:
Managed to get the mullered head stud out today. As Mike the Bike noticed previously, it was well corroded in. We used Ian's (Orcadian) way he mentioned earlier. We clamped the stud in the vice, still attached to the casing, applied plenty of diffused heat and turned the casing on the stud. It took some doing though, plenty of WD40 helped. When it started moving we put it on the bench and got mole grips on it, with more WD40 and eventually it came out.
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Now, a question i cannot find the answer to in either the Workshop Manual or Haynes. I know on the CB750's, oil comes up two of the head studs, the centre rears. Does this happen on the CB400's as well?. Not necessarily the centre rears but the two end studs on this engine were not corroded in and came out very easily when I was investigating. I have looked at the oil flow diagram but can't see for sure if this happens or not. Any insight much appreciated.
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