250x engine mods

[riderssb250x]

hey guys i was wondering if i do a 0.80 wiseco high compression over bore on a 250x with a mild port and polish and a cam would i have to do valves and springs or a are the stock valves and springs good?

my main reason is i dont know much about installing and adjusting valves to a new cam and pverbore please help me out is it hard? what have you guys done

[chris300]

depends on the cam.

[2muchquad]

You should be fine if you have a drop in hot cams,they are made for the stock springs and rockers:)