1985-1987 Honda TRX 250 Fourtrax 250 Service Manual, Page 67Get this manual

1985-1987 Honda TRX 250 Fourtrax 250 Service Manual, Page 67

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CYLINDER HEADV ALVES Install 45 degree finish cutter and cut the seat to the proper idth Make sure that all pitting and irregularities are removed Refinish if necessarv
The location of the valve