need advice on honda cr 250

[zene]

Hello,
im facing a engine rebuild after big end bearing went and piston smashed in cylinder.
i have now every thing i need, but i have been told that the cranks will need to be trued, is that essential for the bike to run propperly??
how can i doit???

any help apreciated!1
regards
juan

[G]

Basically - yes.
If you just put it together yourself without the correct jig it will likely be slightly out of line.
Even a small amount can cause serious problems.

There are plenty of places that will do it for you for a not too silly fee if you give them all the parts.

[zene]

do you know one??, is it possible to do at home??
regards
juan

[G]

I can't remember exact details, I'm afraid; I did call up a couple of people when I was looking in to it.
I think you'd at least need the correct jig, but it'd probably help to be know what you're doing too.

[zene]

i think a call to the local bike shop to see if they doit, was thinking to doit miself now in christmas; seems like it will have to wait!!

thank you for the advice!
regards
juan

[Vincent]

It's a specialist job - rebuilding cranks - requiring large presses and some fairly accurate measuring equipment. Best place might be to ask your local MX shop where they get them done.

[chris-red]

Stan Stephens do it for £25

https://www.stanstephens.com/street.htm
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[zene]

hey chris thanks for that info!!