Suzuki VZR1800 - SERVICE DATA; CAMSHAFT AND CYLINDER HEAD DATA; CYLINDER, PISTON, AND PISTON RING DATA

VZR1800/ZL0 (’10-MODEL) 33
CYLINDER + PISTON + PISTON RING Unit: mm (in)
ITEM STANDARD LIMIT
Compression pressure
(Automatic de-comp. actuated)
* 900 – 1 800 kPa
(9.0 – 18.0 kgf/cm
2
, 128 – 256 psi)
800 kPa
(8.0 kgf/cm
2
, 114 psi)
Compression pressure difference
—
200 kPa
(2.0 kgf/cm
2
, 28 psi)
Piston to cylinder clearance 0.025 – 0.040
(0.0010 – 0.0016)
0.120
(0.0047)
Cylinder bore 112.000 – 112.015
(4.4094 – 4.4100)
Nicks or
Scratches
Piston diam. 111.967 – 111.983
(4.4081 – 4.4088)
Measure at 10 mm (0.4 in) from the skirt end.
111.880
(4.4047)
Cylinder distortion
—
0.05
(0.002)
Piston ring free end gap
1st Approx. 15.7 (0.62)
12.6
(0.50)
2nd Approx. 14.5 (0.57)
11.6
(0.46)
Piston ring end gap
1st
0.10 – 0.25
(0.004 – 0.010)
0.50
(0.020)
2nd
0.10 – 0.25
(0.004 – 0.010)
0.50
(0.020)
Piston ring to groove clearance
1st —
0.180
(0.0071)
2nd —
0.150
(0.0059)
Piston ring groove width
1st
0.93 – 0.95
(0.0366 – 0.0374)
—
1.55 – 1.57
(0.0610 – 0.0618)
—
2nd
1.21 – 1.23
(0.0476 – 0.0484)
—
Oil
2.51 – 2.53
(0.0988 – 0.0996)
—
Piston ring thickness
1st
0.86 – 0.91
(0.034 – 0.036)
—
1.38 – 1.40
(0.054 – 0.055)
—
2nd
1.17 – 1.19
(0.046 – 0.047)
—
Piston pin bore I.D. 23.002 – 23.008
(0.9056 – 0.9058)
23.030
(0.9067)
Piston pin O.D. 22.995 – 23.000
(0.9053 – 0.9055)
22.980
(0.9047)