Workshop Manual

14–10 REPAIR STANDARDS
Major Name Nominal
Assembly
Category
of Part
Inspection Item
Dimension
Standard Limit Repair Procedure Comments
Value
Inlet valve stem wear
Dia. 9 Dia. 8.88
(0.3543) (0.3496)
Exhaust valve stem wear Clearance between inlet valve 0.039 – 0.071 0.20 stem and valve guide
(0.0015 – 0.0028)
(0.008)
Clearance between exhaust valve
0.064 – 0.096 0.25
stem and guide
(0.0025 – 0.0038)
(0.0098)
Interference between valve guide 0.024 Apply oil to valve and cylinder head (0.0009) guide and press in Valve
1.5 1.00
thickness (0.059) (0.039) Height of valve guide above
14.1
Reference value
cylinder head
(0.555)
Valve stem oil seal lip
Dia. 8.5
Dia. 8.8 (0.346) Replace oil seal Don’t damage lip.
(0.335)
Tension N (kgf/lb) (When compressed to installed 142 (14.5/30.9) 127 (13.0/28.7) length) 44.5mm(1.752in) Free height mm
(in)
60.6 (2.39) 58.0 (2.28)
Replace valve spring
Inclination mm
(in) less than
2.7 (0.106)
1.9 (0.075)
Valve System
Valves
Valve spring
Thickness
Replace valve and valve guide together
Measure valve stem at three positions
Replace valve and valve guide together
Replace valve and valve guide together