The best way to remove a flywheel. Just remove the nut, screw knocker on end on crank, smack with a hammer. No puller needed, eliminates cracked flywheels from pullers.
Approx 8" long and weighs 1 lb 6 oz

(note: knocker must not be fully seated against flywheel, leave at least 2 or 3 turns out)

GX120 to 200, 6.5 Chinese OHVs

The best way to remove a flywheel. Just remove the nut, screw knocker on end on crank, smack with a hammer. No puller needed, eliminates cracked flywheels from pullers.
Knocker is 8" Long and weighs 1 lb, 6 oz

(note: knocker must not be fully seated against flywheel, leave at least 2 or 3 turns out)

GX240 to GX390, 13hp Chinese OHVs