Is this cylinder usable

[fordnut79@hotma]

220482Intake side missing some aluminum on the bridges but the sleeve is there. Safe?

[poolieZerUK]

Should be ok.
Looks to me like some enthusiastic porting work

as far as I know the alloy doesn't provide any strength to the bridge/sleve
but removing it may have compromised the long term strength of the cylinder casting?

As long as the piston runs smooth should be good, that's not to say the porting work will suit your setup

What is it off?

[fordnut79@hotma]

PT National TRX250r

[onformula1]

Run it if the bore is good.

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