5-8 ENGINE TOP END
Specifications
Item Standard Service Limit
Rocker Case
Rocker Arm Inside Diameter 12.000 ∼ 12.018 mm
(0.4724 ∼ 0.4731 in.)
12.05 mm
(0.474 in.)
Rocker Shaft Diameter 11.983 ∼ 11.994 mm
(0.4718 ∼ 0.4722 in.)
11.96 mm
(0.471 in.)
Camshafts
Cam H eight:
Exhaust 35.363 ∼ 35.477 mm
(1.3922 ∼ 1.3967 in.)
35.26 mm
(1.388 in.)
Inlet 35.622 ∼ 35.736 mm
(1.4024 ∼ 1.4069 in.)
35.52 mm
(1.398 in.)
Camshaft Bearing Clearance:
18 0.016 ∼ 0.052 mm
(0.0006 ∼ 0.0020 in.)
0.14 mm
(0.0055 in.)
22 0.020 ∼ 0.062 mm
(0.0008 ∼ 0.0024 in.)
0.15 mm
(0.0059 in.)
Camshaft Journal Diameter:
18 17.966 ∼ 17.984 mm
(0.7073 ∼ 0.7080 in.)
17.94 mm
(0.706 in.)
22 21.959 ∼ 21.980 mm
(0.8645 ∼ 0.8653 in.)
21.93 mm
(0.863 in.)
Camshaft Bearing Inside Diameter:
18 18.000 ∼ 18.018 mm
(0.7087 ∼ 0.7094 in.)
18.08 mm
(0.712 in.)
22 22.000 ∼ 22.021 mm
(0.8661 ∼ 0.8670 in.)
22.08 mm
(0.870 in.)
Camshaft runout TIR 0.02 mm (0.0008 in.) or less TIR 0.1 mm (0.0039 in.)
KACR ( Kawasaki Automatic
Compression Release):
KACR Operating Engine Speed 760 ±30 r/min (rpm)
–––
Cylinder Head
Cylinder C ompression (Usable
Range)
Electric Starter 251 ∼ 456 kPa (2.56 ∼ 4.65
kgf/cm², 36 ∼ 66 psi) @ 380 r/min
(rpm)
–––
Cylinder head warp ––– 0.05 mm (0.002 in.)
Valve
Valve Clearance:
Exhaust 0.20 ∼ 0.25 mm
(0.0079 ∼ 0.0098 in.)
–––
Inlet 0.10 ∼ 0.15 m m
(0.0039 ∼ 0.0059 in.)
–––
Valve Head Thickness:
Exhaust 0.8 mm (0.031 in.) 0.5 mm (0.020 in.)
Inlet 0.5 mm (0.020 in.) 0.3 m m ( 0.012 in.)
Valve Stem Bend ––– TIR0.05mm(0.002in.)