1.GENERAL INFORMATION
1-4
Size “B”
N.A
Cylinder measurement
Size “A”
φ61mm—φ61.01mm
Size “B”
N.A
Clearance of cylinder - piston
New
0.03mm—0.05mm
Service limit
0.090mm
Piston ring type
1st
1
2nd
1
3rd
2
Piston ring end gap
New 1st
0.10mm—0.25mm
New 2nd
0.20mm—0.35mm
New 3rd
0.15mm—0.6mm
All service limit
1st 0.4 mm;2nd0.6 mm;3rd0.8 mm
Piston/ring groove clearance
New 1st
0.03-0.07 mm
New 2nd
0.02-0.06 mm
New 3rd
0.02-0.06 mm
All service limit
1st0.15 ;2nd0.13;3rd0.2
Intake cam height
New
5.53mm—5.56mm
Service limit
5.51
Exhaust take cam height
New
5.42mm—5.48mm
Service limit
5.4
Crankshaft radial clearance
Service limit
0.06mm
Crankshaft deflection
Service limit
0.15mm
Crankshaft pin diameter
New
30 to 29.994mm
Service limit
29.98mm
Connecting rod big end diameter
Service limit
37.026mm
Connecting rod big end radial
clearance
Service limit
0.04mm
Connecting rod big end axial
clearance
New
0.1 to 0.3mm
Service limit
0.55mm
Connecting rod small end
diameter
New
15.016 to 16.027mm
Service limit
15.04mm
Piston pin diameter
New
15 to 14.992mm
Service limit
14.985mm
Spark plug
Type/manufacturer
NGK C7HSA
Gap
0.6 to 0.7mm
Transmission type
CVT(Continuously Variable Transmission)
Drive belt width
Service limit
16.5mm
Gearbox type
Mechanical two - stage gear reduction
Gearbox oil
Capacity
700mL(GL-4-90)
Gear ratio
H
6.51
R
24.241
Magneto generator output
180W@5000rpm
Tire
Type
Tubeless