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9.3
Section 9
Disassembly
9
Figure 9-6. Separating Screen from Housing.
Remove Muffler
1. Remove the muffler or exhaust system and
attaching hardware from the engine. See Figure 9-7.
Figure 9-7. Removing Muffler.
Drain Cooling System
1. Make sure the engine is cool. Slowly remove the
radiator cap. See Figure 9-8.
Figure 9-8. Removing Radiator Cap.
2. Carefully remove the coolant drain plugs in the
lower side of both cylinder heads. See Figure 9-9.
Drain the coolant into a suitable container. Early
production units contained steel plugs, remove
only when the cylinders are cool. Replace with
brass (soft) plugs on reassembly, Kohler Part No.
66 139 01-S.
Figure 9-9. Location of Coolant Drain Plugs.
Remove Fuel Pump
1. Disconnect the pulse (vacuum) line from the
crankcase fitting. See Figure 9-10.
Figure 9-10. Disconnecting Pulse Line from Fitting.