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FE290 ENGINE
Cylinder Head
Page 13-20 2000 FE290 Gasoline Vehicle Maintenance and Service Supplement
13
VALVE CLEARANCE CHECK AND ADJUSTMENT
1. Check and adjust clearance when the engine is cold.
2. Turn the crankshaft until the piston is at the top of the compression stroke.
3. Using a feeler gauge (1), measure the clearance (2) between the adjuster screw (3) and the top of the
valve stem (4) (Figures 13-39 and 13-40).
4. If necessary, loosen the locknut (3) and turn the adjuster (6) up or down to adjust the clearance to
0.005 inch (0.127 mm) for both intake and exhaust (Figure 13-39, Page 13-21).
5. While keeping the adjuster from turning with the screw holder (5) (Club Car Part No. 1016413), tighten
the locknut (3) to 90 in-lb (10 N·m) (Figure 13-39, Page 13-21).
6. Recheck the clearance on both valves.
BREATHER VALVE (REED VALVE)
General Information
The function of the breather valve is to create a vacuum in the crankcase which prevents oil from being
forced out of the engine through the piston rings, oil seals or gaskets.
The breather valve is a reed-type valve which limits the direction of air flow caused by the piston moving up
and down. Air can flow out of the crankcase, but the one-way reed valve blocks return flow. It thus maintains
a vacuum in the crankcase
Breather Valve Inspection
1. Inspect the reed valve (1) for sticking or binding. Replace if necessary (Figure 13-41, Page 13-22).
2. Inspect the reed valve for hairline cracks, distortion or breakage. Replace if necessary.
3. Inspect the reed valve (1) seating surface. It must not have any nicks or burrs.
Figure 13-39 Valve Clearance
Figure 13-40 Cutaway View of Valve Clearance
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3
1
6
2
6
4