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5-2 Precautions in Operation
General Information
Warning
Gasoline is a low ignition point and explosive materials, so always work in a well- ventilated place and
strictly prohibit flame when working with gasoline.
Cautions
Ÿ
Do not bend off throttle cable. Damaged throttle cable will make unstable drive-ability.
Ÿ
When disassembling fuel system parts, pay attention to O-ring position, replace with new one as
re-assembly
Ÿ
There is a drain screw in the float chamber for draining residual gasoline.
Ÿ
Do not disassemble air cut valve arbitrarily.
Tool
Special service tools
¢
Vacuum/air pressure pump
¢
Fuel level gauge
Specification of CARBURETOR
ITEM
UA25A
Carburetor diameter
Ø 22mm
I.D. number
PTG 050
Fuel level
14.8mm
Main injector
# 110
Idle injector
# 35
Idle speed
1700 ± 100rpm
Throttle lever clearance
1~3 mm
Air screw
2 turns
Summary of Contents for ET-250
Page 1: ...1 ET 250...
Page 51: ...Use 32 cutter to cut a quarter upper parts out...
Page 54: ......
Page 60: ...7 1 Mechanism Diagram 0 8 1 2kgf m 1 0 1 4kgf m...
Page 67: ...7 7 Cylinder Installation Install dowel pins and new gasket Dowel pins...
Page 96: ...10 1 Mechanism Diagram 5 0 6 0kgf m 1 0 1 4kgf m 0 8 1 2kgf m...
Page 140: ...REAR BRAKE...
Page 158: ......
Page 159: ...17 8 WIRING DIAGRAM...