Maintenance & Technical > KX250 / KX125

1997 kx250 Cylinder

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Heniz:
So I have a cylinder off a 1998 that has some wear on it.. Bores glazed and measures up a tad oval with a bore gauge and a micrometre. What I want to know is should I get it nikasil or put a LA sleeve in it?

The sleeve is definitely the cheaper option for me as I can do all the work myself but how well do they last? The options for overbores is always a good bonus for sleveing. I will also be porting the cylinder and setting the squishband on the head to 1.2mm. Using a 0.3mm gasket.

I ask this because no one I know has ever put a LA sleeve in a cylinder that was Nikasil or Electrofused.

sandblaster:
You can run a sleeve with no problems.
They will wear out faster then plating but you can bore them oversize and drop in a new piston.
If you go the sleeve route, just be sure to give yourself more warm up time.

fatdaddy:
have it replated, powerseal charges like 184.00....plus the plating will last 10 timez longer.

Heniz:
I went with the plating option..... but i got it done here in new Zealand with a week turn around supplied with a wossner piston at a cost of around $500 USD.

Unfortunately if i was to send it to powerseal the price would be even more.  :cry:

Nearly clocked up 20 race hours on the bike now so this cylinder is almost ready to be fitted. I cant wait  :mrgreen:

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