Specifications

6LOCKED FOR PRINTING – SELECT SECT. NEEDED >
121
Fig. 5
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3. Remove head bolts (5, 6, 7, 8) and cylinder
head, Fig. 6. Discard cylinder head gasket.
NOTE: Engines manufactured before 940501xx
were equipped with sealing washers under
cylinder head bolts (5) and (6).
Repeat for other cylinder head.
Fig. 6
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Disassembly
1. Thread rocker arm support screw into cylinder
head a few turns.
CAUTION
• WEAR EYE protection when using
Valve Spring Compressor.
PREVENT EYE INJURY!
NOTE: Place a shop rag or short section of rubber
fuel line under valves inside combustion
chamber to hold valve in place while com-
pressing spring.
2. Compress valve spring and retainer with Valve
Spring Compressor (3) #19347, Fig. 7.
3. Remove valve spring retainer locks (2).
4. Gradually release pressure on the valve spring
compressor. Remove valve spring retainer and
valve spring.
5. Remove intake and exhaust valves.
Fig. 7
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6. Remove and discard valve stem seals, Fig. 8.
Fig. 8
Inspect and Repair
1. Check cylinder head, Fig. 9.
NOTE: Be sure all gasket material is removed from
surfaces before checking. Use a gasket
scraper if necessary.
a. Inspect cylinder head for cracks or damage.
b. Use a surface plate or straight edge (1) and
check cylinder head mounting surface for
distortion.
Replace the cylinder head if the mounting surfaces
are distorted more than 0.004” (0.1 mm).
Fig. 9
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For Briggs & Stratton Discount Parts Call 606-678-9623 or 606-561-4983
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