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Hi, I'm setting the tappet clearances on my K4 750 - I've rebuilt a K1 a couple of years ago and I find I have the same issue I had then - I just can't recall the solution. The manual says to set the no1 cylinder tappets with the slot in the end of the cam shaft at the 12 o'clock position and...

Hi all, I'm rebuilding a K4 engine (whole bike actually) and have split the cases and gone with new shells , pistons etc. I was lining up some 'O' rings I need to order when I noticed on the CMSNI web site that the barrel on the K4 USA version needed 8 'bolt packing pieces' and 8 'special pins'...

Hi - I feel sure this will have been asked before but here goes - where can I find accurate info on torque settings for rebuilding a CBB750 SOHC - I have a K4 and a K2 in bits at the moment - looking at the manuals I have it says corned bolts at 15 ft pounds but this seems not very high to me -...

Hi all, I am in the process of rebuilding two CB750's a K1 and a K4, I split the cases yesterday on the K4 having previously removed the head and barrels. The main bearings look like they have some marks See photo below of worst one, and I'm going to change them having gone this far - the big...

Hi, I don't know if anyone can help with this. I have rebuilt a CB750 K1 and it has new spark plugs NGK bought from a UK parts supplier. The bike has run ok after the rebuild but only in the garage. Took it for a short test ride and it died on me very quickly. I suspected fuel starvation. Did...

Hi first post on. this site - new member I am rebuilding a'71 CB750 and have had the tank repainted. I need to add the stripe or 'Decal' to each side of the tank. It looked like the original was painted on. I assume having it repainted is the correct way to do it but what if you use a decal...