SOHC.co.uk Forums > CB750
Oil pressure issue / motor rebuild
AshimotoK0:
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Greebo:
I had the braded hoses made when doing the rebuild.
Click image Link to enlarge
MrDavo:
Very neat Greebo, they look like the ones I have now. A mechanic I do work for tells me I could have had mine made up by a local firm using my ends.
My original kinked pipe looks more like the 'molded' one in Ash's service bulletin, the bend they put in it is where it kinked. Unfortunately the feed pipe is the one that's hidden behind the return hose and oil tank - it's something everyone should check at least once.
Once bitten twice shy, as Ian Hunter said.
I've been in touch with Ash, it looks like his F2 crank will fit OK and we can look in his parts box for a matching rod (assuming only one is fubar). Can I split the cases to get the crank out without disturbing the clutch, gears and gearbox sprocket, or does it all have to come out so I can get the crank free of the primary chains? I'm guessing so.
K2-K6:
It's easiest to have the cases upside down, lift the gearbox mainshaft with clutch up and withdraw it from the primary chains, the you can put the mainshaft back in if you want to. The crank is then easy to lift it out, I wouldn't try to thread the crank through the chains while they are still round the gearbox shaft and don't think it'll go anyway.
MrDavo:
Thanks, that just what I wanted to hear, it means I don't have to dismantle the gearbox, clutch, selectors, sprocket etc unless I need to.
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