SOHC.co.uk Forums > CB500/550

Gasket, seal, skim or bin?

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chunterjam:
Thanks folks...plate glass and wet & dry bought. Grinding paste to be ordered. Any recommendations for a grinding paste?


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ka-ja:
Hi,
    Everyone has their favourite grinding paste, but for what you are doing and the amount required ( valves take very little) it does not really matter,start with rough, and when the marks have almost gone, change to smooth to finish off, but don't use downward force, let the weight of the cylinder do the work on a good bed of paste in small circular movements.

chunterjam:
So I double side taped some wet and dry to plate glass...used drop of oil and a lot of elbow grease.

That got 99% of the scrapes out. The. I did something that maybe naughty and did some localised rubbing down. Worked a treat on the liner but a bit of over rubbing left an ever so slight dip in a small part of the surrounding aluminium.

I think the gasket should fill the dip but am happy to be told otherwise




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chunterjam:


Dip at 12.7 likely to cause me an issue?


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ka-ja:
I've seen worse, the gasket will seal on the liners and oilways usually have "o" rings, usually too much pressure on the wet and dry causes the the wet and dry to "balloon" outside of the area of metal. The reason for glass plate is the fact it is very flat, industrially, we always used grinding compounds as it tends to "suction" the two together while working them, you could almost feel the drag when something was flat!

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