ENGINE 9. Check condition of valve springs: Free length = 48.30 mm (1.90 in) Fitted length = 40.40 mm (1.60 in) Load - valve closed = 339 ± 10 N (76 ± 2 lbf) Load - valve open = 736 ± 10 N (165 ± 2 lbf)
Valve guides - renew
NOTE: Valve springs must be replaced as a complete set.
1. Using valve guide remover, LRT-12-037 press valve guide out into combustion face side of cylinder head. NOTE: Service valve guides are 0.025 mm (0.001 in) oversize on outside diameter to ensure interference fit. 2. Lubricate new valve guide with engine oil and place in position.
8
OVERHAUL