Service manual
Page 28 of 151
5-2 Maintenance Information
General Information
Warning
Gasoline is flammable and explosive, so always work in a well-ventilated place and
strictly prohibit smoking or flames when working with gasoline.
Caution
• Do not bend the throttle cable.
• When removing fuel system components, remember where O-rings were
positioned, and replace them when reassembling the components.
• Drain gasoline using the drain screw on the float chamber before removing it.
• Do not remove the choke valve unless absolutely necessary.
Tools
Special service tools
• Vacuum/air pressure pump
• Fuel level gauge
Carburetor Specifications
Component
Specification
Carburetor diameter
25mm
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
1 1/2 turns out
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