Suzuki DL1000 - Piston and Ring Service Data

8-40 SERVICING INFORMATION
CAMSHAFT + CYLINDER HEAD
Unit: mm (in)
CYLINDER + PISTON + PISTON RING
Unit: mm (in)
ITEM STANDARD LIMIT
Cam height
IN.
36.28 – 36.32
(1.428 – 1.430)
35.98
(1.417)
EX.
35.68 – 35.72
(1.405 – 1.406)
35.38
(1.393)
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
(0.8650 – 0.8659)
—
Camshaft runout
IN. & EX. —
0.10
(0.004)
Cam drive idle gear/sprocket
thrust clearance
0.15 – 0.29
(0.006 – 0.011)
—
Cylinder head distortion
—
0.05
(0.002)
ITEM STANDARD LIMIT
Compression pressure
(Automatic de-comp. actuated)
1 000 – 1 400 kPa
(10 – 14 kgf/cm², 142 – 199 psi)
800 kPa
(8 kgf/cm², 114
psi)
Compression pressure differ-
ence
—
200 kPa
(2 kgf/cm², 28 psi)
Piston to cylinder clearance 0.015 – 0.025
(0.0006 – 0.0010)
0.12
(0.0047)
Cylinder bore 98.000 – 98.015
(3.8583 – 3.8589)
Nicks or
Scratches
Piston diam. 97.980 – 97.995
(3.8575 – 3.8581)
Measure at 10 mm (0.4 in) from the skirt end.
97.880
(3.8535)
Cylinder distortion
—
0.05
(0.002)
Piston ring free end gap
1st Approx. 8.8 (0.35)
7.0
(0.28)
2nd Approx. 10.1 (0.40)
8.1
(0.32)
Piston ring end gap
1st
0.15 – 0.35
(0.006 – 0.014)
0.5
(0.02)
2nd RN
0.30 – 0.45
(0.012 – 0.018)
0.7
(0.03)
Piston ring to groove clearance
1st —
0.18
(0.0071)
2nd —
0.15
(0.0059)