TGB Hornet 50, Service Manual, Page: 8 / 86

8
2.2 Maintenance Data
CyCrank Shaft
ITEM 50 C.C. 90 C.C.
STANDARD LIMIT STANDARD LIMIT
Cylinder Cover Flatness 0
∼
0.02 0.1 0~0.02 0.1
Piston Outside Diameter
(15mm above skirt)
40.935~40.95 40.89 49.94~49.955 49.90
Clearance BetweenCylinder and Piston 0.065~0.075 0.12 0.065~0.075 0.12
Bore of Piston Pin 10.002~10.01 10.04 12.004~12.015 12.05
Outside Diameter of Piston Pin 9.995~10.00 9.98 11.995~12.00 11.98
Bore of Small End of Con-Rod 14.003~14.011 14.05 14.996~15.007 15.05
Inside Diameter of Cylinder 41.005~41.020 41.07 5.005~50.020 50.07
Clearance at terminal of piston ring when
assembled in Cylinder.
0.10~0.25
0.75
(1st&2nd Rings)
0.15~0.35 0.85
Radial Clearance of Big-End at Con-Rod 0.1~0.55 1.0 0.1~0.55 1.0
Runout of Crank Shaft 0~0.05 0.1 0~0.05 0.1
CVT
Free Length of Clutch Spring 23.8 25.0 23.8 25.0
Thickness of Clutch Lining 3.0 2.0 3.0 2.0
Bore of Clutch Housing 110~110.15 110.40 110~110.15 110.40
BRAKE
Bore of Brake Drum 85 85.6 85 85.6
Brake Lining O.D. 84.3 82.3 84.3 82.3
Thickness of Disc Brake Lining 4.7 3.7 4.7 3.7
Engine Oil
Capacity 0.9L 0.9L
Residual Capacity when Light on 0.23L 0.23L
Oil Used TGB Super Engine Oil (JASO FC ) TGB Super Engine Oil (JASO FC )
Oil Capacity of Gear Box 90c.c 90c.c
Ignition
Lead 15
°±
3
°
BTDC /4000rpm 15
°±
3
°
BTDC /4000rpm
Spark Distance 6-8mm 5mm 6-8mm 5mm
Inner Electric Resistance at Spark Plug Cap 5~7.6k
Ω
3k
Ω
5~7.6k
Ω
3k
Ω
Battery
Battery 12V/7AH 12V/7AH
Fuse 7A 7A
Brake
Clearance of Front Brake Lever 20-30mm 20-30mm
Clearance of Rear Brake Lever 15-35mm 15-35mm
Tire Pressure
Front (psi) 4 4
Rear (psi) 4 4