Nybz said:
Glad ya found it before buttoning up the head
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I actually had two gasket kits in the garage and used another two so that all the rear bolts had one, made more sense as when you look at the underside of the head there was a place for a seal on all of them.
Just before I put the cylinders on I realised I’d missed another seal the one, that goes around the base of each cylinder
, lucky I didn’t do any work to the gearbox I may have really screwed something up.
The seals were baked into position I was struggling to get them out, then the wifey saw I was having trouble and gave me a pick she uses for sewing worked a treat.
So just by chance when I was returning my shims to Ken Colvin I thought I’d try my luck and see if he had the piston ring kit I was waiting for. He pulled a rabbit out of a hat and with that I returned to the shed armed with the part I needed to put the engine back together
With the hours of my last day off quickly running out. I went to the garage put the gasket that sits in between the gearbox and the underside of the cylinders together with the O rings 6 of
. Then together with my wife we slowly manoeuvred th cylinders down over each piston, compressing each ring as we moved down which is a lot trickier than it sounds.
Next job was the installation of the cam tensioners into the head.
Disclaimer it was at this point in time I may have deviated from best practice. Now the instructions say to remove the valves, springs and buckets prior to grinding out enough space to house the B cam tensioner
I lacked the skills, tools and time to do this. So I did the next best thing, I got my 100 mile an hour tape and some paper towel and I taped that sucker up. I then got my vacuum and dremel and went to work.
After going through all my bits and with the hours running out I ended up finishing the last part with a chisel (talk about wrong tool for the job) but it produced the desired effect) and the B cam tensioner fit.
I also had to shave a little of to house the curved guide also, once that was completed I removed the cam journals and cams then tightened down the head bolts. By this time it was about 10 pm, the garage was a mess and I hadn’t packed for fly out today so I called it.
Packed everything up waiting for my return in 6 weeks time. It’s just installation of the cams, timing and we may be in with a real chance to start this sucker next break.
Also I picked up the top triple from OMM’s garage and did a test fit. So the gsxr forks have a thin cap that goes over the head stem top bearing. But the Cb 750 runs a thicker one
so this created a clearance issue. So in true Frankenhonda form there will be another reiteration we will need to make up a top bearing cover then most likely remove the boss from the underside of the triple this will allow the top triple clamp to sit lower so the nut does all the way up on the stem.
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