Disassembly/Inspection and Service
77
19 690 01 Rev. --
KohlerEngines.com
Cylinder Head Components
B
C
D
G
J
L
F
H
K
M
N
O
P
N
C
B
A
E
M
I
M
M
A
J-Clip
B
Valve Cover
C
Gasket
D
Set Screw
E
Rocker Arm Pivot
F
Rocker Arm
G
Rocker Arm Stud
H
Push Rod
Guide Plate
I
Valve Spring
Keepers
J
Valve Spring
Cap
K
Valve Spring
L
Valve Stem Seal
M
Spark Plug
N
Head Gasket
O
Valve
P
Push Rod
Remove Valve Covers
1. Remove screw securing each valve cover. Note location of J-Clip on each valve cover for reassembly.
2. Remove valve cover and gasket from each cylinder head. Note valve cover differences for proper location in
reassembly.
Remove Spark Plugs
Remove both spark plugs from each cylinder head.
Remove Cylinder Heads
NOTE: Cylinder head number is embossed on outside of each cylinder head.
1. Loosen set screws and rocker arm pivots for each rocker arm enough to remove push rods.
2. Mark position of push rods as either intake or exhaust and cylinder #1 or #2. Push rods should always be
reinstalled in same positions.
3. Remove screws securing cylinder head.
4. Carefully remove cylinder head and head gasket.
5. Repeat procedure for other cylinder head.
Disassemble Cylinder Heads
NOTE: These engines use valve stem seals on intake and exhaust valves. Use a new seal whenever valves are
removed, or if seal is deteriorated in any way. Never reuse an old seal.
1. Remove set screws, rocker arm pivots, rocker arms, and push rods from cylinder head. Remove pivot studs and
guide plate as required.
2. Compress valve springs using a valve spring compressor.