Name Description Dimensions Initials Quantity
Oil scraper ring 1st
oversize
57.2x1 A 0.10 ÷ 0.30
Oil scraper ring 1st
oversize
57.2x2.5 A 0.10 ÷ 0.35
Compression ring 2nd
oversize
57.4x1 A 0.15 ÷ 0.30
Oil scraper ring 2nd
oversize
57.4x1 A 0.10 ÷ 0.30
Oil scraper ring 2nd
oversize
57.4x2.5 A 0.10 ÷ 0.35
Compression ring 3rd
oversize
57.6x1 A 0.15 ÷ 0.30
Oil scraper ring 3rd
oversize
57.6x1 A 0.10 ÷ 0.30
Oil scraper ring 3rd
oversize
57.6x2.5 A 0.10 ÷ 0.35
Maximum clearance after use: 1 mm
Crankcase - crankshaft - connecting rod
AXIAL CLEARANCE BETWEEN CRANKSHAFT AND CONNECTING ROD (125)
Name Description Dimensions Initials Quantity
Half shaft, transmission
side
16.6 +0-0.05 A D = 0.20 ÷ 0.50
Half shaft, flywheel side 16.6 +0-0.05 B D = 0.20 ÷ 0.50
Connecting rod with PP 18 -0,10 -0,15 C 0.20 ÷ 0.50
Crankpin width 51,400 E
AXIAL CLEARANCE BETWEEN CRANKSHAFT AND CRANKSHAFT HALF-BEARINGS
(125)
Name
Description Dimensions Initials Quantity
Crankshaft Class 1 28.998 ÷ 29.004
Crankshaft Class 2 29.004 ÷ 29.010
Crankcase Class 1 32.953 ÷ 32.959
Crankcase Class 2 32.959 ÷ 32.965
Crankshaft half-bear-
ings
B Type - blue 1.973 ÷ 1.976
Crankshaft half-bear-
ings
C Type - yellow 1.976 ÷ 1.979
Crankshaft half-bear-
ings
E Type - green 1.979 ÷ 1.982
Crankshaft type 1-
Crankcase type 1
E - E
Crankshaft type 1 -
Crankcase type 2
C - C
Crankshaft type 2 -
Crankcase type 1
C - C
Crankshaft type 2 -
Crankcase type 2
B - B
SPORTCITY ONE 125 Characteristics
CHAR - 17
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