250r bore

[falconkid417]

hey guys its time to change my top end in my 87 250r it is bored 10 over and i was wondering if i should keep it 10 over for bore it more?

[wild250rman]

Take it to a reputable cycle shop and have it checked.

[k7mm]

Originally posted by wild250rman
Take it to a reputable cycle shop and have it checked. Yes definitely,They will tell you if it's out of round or not.If it's not out of round,or scored,then you can have them proessionally hone it and go with the same size piston.Going up a bore,really wo'nt give you anymore power.

[wilkin250r]

Plus, you only have a limited number of overbores. Use them when necessary, but don't waste them if you don't have to.