78/83/90 Series Horizontal Shaft Engines
56
Fuel shut-off valve
To prevent the needle valve from un-seating and flooding the engine while being towed, engines designed to go
onto log splitters have a fuel shut-off valve built into the carburetor.
To service the shut-off valve:
1. Remove the carburetor by following the procedures
described in Chapter 3: Air Intake Systems.
2. Remove the choke lever pivot screw.
See Figure 4.36.
3. Lift the choke lever off of the carburetor.
4. Remove the shut-off valve cover using a #2 phillips
screw driver.
See Figure 4.36.
5. Remove the wave washer. See Figure 4.37.
Figure 4.36
Choke lever
pivot screw
Fuel shut-off valve
Cover
Figure 4.37
Wave washer
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