Suzuki LT-Z400 - Page 297

SERVICING INFORMATION 8-29
CAMSHAFT + CYLINDER HEAD
Unit: mm (in)
CYLINDER + PISTON + PISTON RING
Unit: mm (in)
ITEM STANDARD LIMIT
Cam height
IN.
36.320 – 36.370
(1.4299 – 1.4319)
36.020
(1.4181)
EX.
35.200 – 35.250
(1.3858 – 1.3878)
34.900
(1.3740)
Camshaft journal oil clearance
IN. & EX.
0.019 – 0.053
(0.0007 – 0.0021)
0.150
(0.0059)
Camshaft journal holder I.D.
IN. & EX.
22.012 – 22.025
(0.8666 – 0.8671)
—
Camshaft journal O.D.
IN. & EX.
21.972 – 21.993
(0.8653 – 0.8659)
—
Camshaft runout
—
0.10
(0.004)
Cam chain pin (at arrow “3”) 15th pin —
Cylinder head distortion
—
0.05
(0.002)
Cylinder head cover distortion
—
0.05
(0.002)
ITEM STANDARD LIMIT
Compression pressure
(Automatic de-comp. actuated)
1 000 kPa
(10.0 kgf/cm
2
, 142 psi)
—
Piston to cylinder clearance 0.030 – 0.040
(0.0012 – 0.0016)
0.120
(0.0047)
Cylinder bore 90.000 – 90.015
(3.5433 – 3.5439)
Nicks or
Scratches
Piston diam. 89.965 – 89.980
(3.5419 – 3.5425)
Measure at 15 mm (0.6 in) from the skirt end.
89.880
(3.5386)
Cylinder distortion
—
0.05
(0.002)
Piston ring free end gap
1st R Approx. 6.9 (0.27)
5.5
(0.22)
2nd R Approx. 11.5 (0.45)
9.2
(0.36)
Piston ring end gap
1st
0.08 – 0.20
(0.003 – 0.008)
0.50
(0.020)
2nd
0.08 – 0.20
(0.003 – 0.008)
0.5
(0.020)
Piston ring to groove clearance
1st —
0.180
(0.007)
2nd —
0.150
(0.006)
Piston ring groove width
1st
0.78 – 0.80
(0.0307 – 0.0315)
—
1.30 – 1.32
(0.0512 – 0.0520)
—
2nd
0.81 – 0.83
(0.0319 – 0.0327)
—
Oil
2.01 – 2.03
(0.0791 – 0.0799)
—