Overhaul
CYLINDER HEADExploded View EM-67:
Disassembly and Assembly
DISASSEMBLY
1. Remove spark plug using suitable tool.
2. Remove valve lifter.
^ Identify installation positions, and store them without mixing them up.
3. Remove valve collet.
^ Compress valve spring using Tool, attachment and adapter (A). Remove valve collet using a suitable magnet hand.
CAUTION: When working, be careful not to damage valve lifter holes.
Tool number: KV101092S0 (J-26336-B)
4. Remove valve spring retainer and valve spring (with valve spring seat).
CAUTION: Never remove valve spring seat from valve spring.
5. Push valve stem to combustion chamber side, and remove valve.
NOTE: Identify installed positions, and store them without mixing them up.
6. Remove valve oil seal using Tool (A).
Tool number: KV10107902 (J-38959)
7. When valve seat must be replaced, refer to EM-71, "VALVE SEAT REPLACEMENT" to removal. Service and Repair
8. When valve guide must be replaced, refer to EM-70, "VALVE GUIDE REPLACEMENT" to removal. Service and Repair
ASSEMBLY
1. Install valve guide if removed.
2. Install valve seat if removed.
3. Install valve oil seal.
^ Install with a valve oil seal using Tool (A) to match dimension as shown.
Tool number: KV10115600 (J-38958)
NOTE: Dimension "H" is height that measured before installing valve spring (with valve spring seat).
Height "H": 15.1 - 15.7 mm (0.594 - 0.618 in)
4. Install valve.
^ Install larger diameter to intake side.
5. Install valve spring (with valve spring seat).
^ Install smaller pitch (valve spring seat side) to cylinder head side (B).
^ Confirm identification color (A) of valve spring.
1: Valve spring seat (Do not remove from valve spring.)
Intake: White
Exhaust: Orange
6. Install valve spring retainer.
7. Install valve collet.
^ Compress valve spring using Tool (A). Install valve collet with a magnet hand.
Tool number: KV101092S0 (J-26336 B)
CAUTION: When working, be careful not to damage valve lifter holes.
^ Tap valve stem edge lightly with a plastic hammer after installation to check its installed condition.
8. Install valve lifter.
^ Install it in the original position.
9. Install spark plug using suitable tool.