Disassembly and Assembly
Disassembly and Assembly
DISASSEMBLY
1. Remove spark plug. Refer to "REMOVAL".
2. Remove the valve lifter.
^ Identify the installation positions. and store them without mixing them up.
3. Remove the valve collet using Tool.
Tool number
: KV10116200 (J-26336-B)
: KV10115900 (J-26336-20)
: KV10109220 ( - )
CAUTION: When working, take care not to damage valve lifter holes.
4. Remove valve spring retainer, valve spring and valve spring seat.
5. Inspect the valve guide clearance. Refer to "Valve Guide Clearance."
6. Push the valve stem to the combustion chamber side, and remove the valve.
^ Identify the installation positions, and store them without mixing them up.
7. Remove the valve oil seal using Tool.
Tool number: KV10107902 (J-38959)
8. Replace the valve seat if necessary. Refer to "VALVE SEAT REPLACEMENT".
9. Replace the valve guide if necessary. Refer to "VALVE SEAT REPLACEMENT".
10. Remove the spark plug tube, as necessary.
^ Remove the spark plug tube out of the cylinder head using suitable tool.
CAUTION:
^ Do not damage the cylinder head.
^ Do not remove the spark plug tube unless absolutely necessary. Once removed, the spark plug tube will be deformed and cannot be reused.
ASSEMBLY
1. Install the valve guide if necessary. Refer to "VALVE GUIDE REPLACEMENT".
2. Install the valve seat if necessary. Refer to "VALVE SEAT REPLACEMENT."
3. Install the valve oil seal using Tool.
Tool number: KV10115600 (J-38958)
^ Apply new engine oil on the new valve oil seal joint and seal lip.
^ Install the valve oil seal to the specified height "H".
Height "H" (Without valve spring seat installed)
Intake and exhaust: 14.3 - 14.9 mm (0.563 - 0.587 inch)
4. Install valves.
5. Install valve spring seats.
6. Install valve springs.
^ Install narrow pitch (Paint mark side) to cylinder head side.
7. Install valve spring retainers.
8. Install the valve collet using Tool.
Tool number
: KV10116200 (J-26336-B)
: KV10115900 (J-26336-20)
: KV10109220 ( - )
CAUTION: When working, take care not to damage valve lifter holes.
9. Install valve lifters.
^ Install removed parts in there same locations.
^ If installing new lifters, select the correct size lifter for proper valve clearance. Refer to "Valve Clearance".
10. Install the spark plug tube if necessary, following the procedure.
a. Remove any old liquid gasket adhering to the cylinder-head spark plug tube hole.
b. Apply liquid gasket to area within approximately 12 mm (0.47 inch) from the edge of the spark plug tube press-fit side.
Use Genuine RTV Silicone Sealant or equivalent. Refer to "Recommended Chemical Products and Sealants".
c. Press-fit the spark plug tube to the specified height "H" using suitable tool.
Standard press-fit height "H": 38.4 - 39.4 mm (1.512 - 1.551 inch)
CAUTION:
^ When press-fitting, take care not to deform the spark plug tube.
^ After press-fitting, wipe off any liquid gasket protruding onto the cylinder-head upper face.
11. Install spark plugs.