Workshop Manual

REPAIR STANDARDS
212
Major Name Nominal
Assembly
Category
of Part
Inspection Item
Dimension
Standard Limit Repair Procedure Comments
Value
Inlet valve stem wear
Dia. 7.949 – 7.961
Dia. 8
(0.3129 – 0.3134)
Dia. 7.88
Replace valve
Exhaust valve stem wear
(0.315)
Dia. 7.921 – 7.936
(0.3102)
(0.3118 – 0.3124)
Clearance between inlet valve 0.039 – 0.069 0.2 stem and valve guide (0.0015 – 0.0027) (0.008)
Replace valve and Measure valve stem
Clearance between exhaust valve 0.064 – 0.096 0.25
valve guide together at three positions
stem and guide (0.0025 – 0.0038) (0.0098) Interference between valve guide 0.02 Apply oil to valve and cylinder head (0.0008) guide and press in Valve Replace valve and thickness
1.8 (0.071) 1.5 (0.059)
valve guide together
Height of valve Inlet 13.0 (0.512) guide above Reference value cylinder head Exhaust 13.0 (0.512)
Tension kgf (lb/N) (When compressed to 32.6 29.0 Installed length) (71.9/319.6) (63.9/284.4) 38.9 mm (1.53 in) Free length mm 49.7 (1.96) 48.2 (1.90) Inclination mm
1.5 (0.06)
or less
2.5 (0.098)
Valve clearance (inlet & exhaust) 0.40
Adjust
(cold) (0.016) Clearance between rocker arm 0.01 – 0.05 0.2 Replace bushing or shaft and bushing (0.0004 – 0.002) (0.008) shaft
Dia. Dia.
Replace rocker
Rocker arm shaft wear 18.98 – 19.00 18.85
arm shaft
(0.747 – 0.748) (0.742)
Valve System
Valves
Valve spring
Thickness