1999-2004 Suzuki King Quad LT-300 300F ATV Factory Service Manual, Page 39Get this manual
225 PERIODIC MAINTENANCE
CLUTCH LOCK-UP INSPECTION
Perform this inspection to determine if the clutch is engaging fully and not slipping Connect tachometer Start the engine Shift the sUb-transmission lever to the "High" position and then shift the gearshift lever to the "Low" position Apply the front and rear brakes as firm as possible Fully open the throttle for brief period and note the maximum engine speed sustained during the test cycleLock-up speed (rmin)