1999-2004 Suzuki King Quad LT-300 300F ATV Factory Service Manual, Page 70Get this manual

1999-2004 Suzuki King Quad LT-300 300F ATV Factory Service Manual, Page 70

VALVE SEAT SERVICING The valve seats for both the intake and exhaust valves are machined to two different anglesThe seat
snuglyInstall the 45 cutter, attachment and T-handle Using the 45cutter, descale and clean up the seatRotate the cutter one
or two turns Measure the valve seat width after every cut If the valve seat is pitted or burneduse the 45 cutter to condition
the seat some more NOTE: For correct valve contact angle, cut only the minimum amount necessary from the seat to prevent
the possibility of the valve stem becoming too close to the rocker armIf the contact area is too high on the valve, or if
it is too wide, use the 15 cutter to lower and narrow the contact area Contact area too high and too wide on face of valve