7. Remove the plug from the belly pan; then using a 1/2 in. twelve-point socket, remove the bolt and lock washer securing the drive clutch to the crankshaft. Using the Drive Clutch Puller (p/n 0644-207) and an impact wrench or a breaker bar and Spanner Wrench (p/n 0644-136), tighten the puller. If the drive clutch will not release, sharply strike the head of the puller. Repeat this step until the clutch releases. Remove the drive clutch. If applicable, account for the two sleeves.
Fig. 2-35
Fig. 2-33
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10. Disconnect the impulse hose from the crankcase. 11. Loosen the engine torque bumper; then remove the left-side rear engine nut and washer. Fig. 2-36
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8. Remove the cap screw securing the driven pulley; then slide the driven pulley off the driven shaft. Account for a stub shaft, the location of all washers, and a key. Fig. 2-34
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12. Disconnect the engine and timing sensor wiring harnesses from the main wiring harness. Remove the spark-plug caps from the spark plugs. Remove the cap screw securing the two ground wires to the magneto housing cover.
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NOTE: If the driven pulley is tight on the shaft, pull the driven pulley off using the Driven Pulley Puller (p/n 0744-023).
13. Remove the E-clip and washer securing the oil-injection cable; then disconnect the oil-injection cable from the oil-injection pump. Disconnect the oil-supply hose and the oil-output hose from the pump and plug the hoses to prevent oil drainage. Fig. 2-37
9. Label the carburetors. Loosen the flange clamp securing each carburetor to its flange; then remove the carburetors from the intake flanges. Position the carburetors to one side in an upright position.
AN392D
2-10