SOHC.co.uk Forums > CB350/400
Engine Strip - I'm nervous
waffey:
thanks trigger. advice taken. hopefully, strip the crank case today then i'll post some more pictures
something like this as a piston set? https://www.ebay.co.uk/itm/264088297262
Trigger:
Yep, that piston set will do ;)
Just remember to mark the shells as to were they come from, if mixed then you will need a whole new set.
Oggie400F:
--- Quote from: Trigger on January 04, 2020, 09:07:24 AM ---As Bryan has already said, not worth the trouble with the pistons , a engineering shop can charge around £45 just to measure up and then tell you that you then need a rebore. You can get a good oversize set from Japan for about £110 including post. Get a good engineer to rebore at a piston to bore clearance of one thou , if anyone tells you that this is too tight, walk away as, they don't know what they are doing.
If the sump pan is leaking from the drain bolt, look for a good secondhand one that has not been welded. Never torque a sump bolt more than 20 ftlb on these old girls or they will crack the pan ;)
--- End quote ---
Hi Trigger
Are the piston sets from Japan via Cruzinimage or someone else?
waffey:
Hi,
crank case split, I cant find any damaged teeth or casing. must o been a bit of? a piston ring, alloy from the welded sump or who knows!!
waffey:
and some more pictures
the last one showing a snapped bolt for the cam tensioner and the engine bracket and stud I cant remove. Might have to send to an engineering shop to have these removed.
the cam tensioner itself is seized as expected
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