Release 00 / 2002 - 09
Air-injection 50 cc
Air-
injection
Air-
injection
Air-
injection
02 / 03
Chapter.2
CY RINGS
Standard: mm (in)
0.028-0.040
(0.0011-0.0016)
Selection A
40.966-40.972
(*)
(1.6128-1.6131)
Selection B
40.972-40.978
(*)
(1.6131-1.6133)
Selection C
40.978-40.984
(*)
(1.6133-1.6135)
Measure 18 mm (0.7) from
the outer edge
Selection A
41.000-41.006
(1.6141-1.6144)
Selection B
41.006-41.012
(1.6144-1.6146)
Selection C
41.012-41.018
(1.6146-1.6149)
Measure 15 mm (0.59) from
the outer edge
0.005
(0.0002)
0.02
(0.0008)
Limit: mm
(in)
0.100
(0.0039)
40.912
(1.6107)
40.918
(1.6109)
40.924
(1.6112)
41.050
(1.6161)
41.056
(1.6164)
41.066
(1.6168)
0.03
(0.0012)
0.05
(0.0020)
TECHNICAL DATA
Item:
Piston to cylinder
clearance
Piston diam.
Cylinder bore
Cylinder distortion
Cylinder head distortion
(*) N.B.
During disassembly selections A,B, C may not be visible. In this case, refer to limit
values.
