650/X-2 650sx Questions

SkiPro

Trim down for what!?!?!?
Location
E-Town, Ok
Has anyone ever tried a pump wedge and if so how much on a difference did it make? Also I am wanting to put new pistons and rings in my 650sx, does anyone know the stock bore size? I see them for sale in many diffrent sizes, But i don't want to have to bore it out. Can anyone help me with this? Thank you!
 
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