SOHC.co.uk Forums > CB350/400

Replace a cylinder sleeve / liner.

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Erwin83:
Thanks. I'll give it go right away.

Erwin83:
Wow. That did not disappoint at all.
Baked at 225 degrees celcius for 15-20 minutes.
I put the sleeve i wanted to remove on a spanner, so at first sight when it came up, i removed the block from the oven and tapped it out. No force needed at all.

This is why I love forums :-)

Erwin83:
And, all done!

Allthough it does seem to need a refacing, as even with some massaging with a block of wood and a hammer, i can't get the cylinder to seat completely flush. Just a hair though.

mickwinf:
Just be aware cylinders wear oval so piston may not fit, Trigger told me that!

Erwin83:

--- Quote from: mickwinf on February 01, 2020, 03:15:36 PM ---Just be aware cylinders wear oval so piston may not fit, Trigger told me that!

--- End quote ---

Do they wear, or do they warp?
In case of wear, i would assume pistons only fit easier (with oil consumption as a result). If the cylinders warp (i can’t see how), I can imagine the fitment is going to be problematic.
I didn’t check the direction of the liner when installing, but looking at the machining, I may have ended up with a 90 degrees turn, which is worst case for ovality...  ::)

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