Technical Parameters
Item Standard Use limit
Fuel injection system (EFI)
Free clearance of throttle grip
∼
–––
Idle speed 1500 ±100 r/min –––
Negative pressure value of
throttle body
34.4 ±1.3 kPa (under idle speed) –––
Air filter element Paper filter –––
Engine cylinder head and
cylinder head cover
Valve clearance:
Exhaust value –––
0.05-0.07mm
0.05-0.07mm
Free clearance of clutch control
rod
10∼20mm
–––
Lubrication system of engine
Type API SE, SF or SG
API SH, SJ or SL, JASO MA
–––
Viscosity SAE 10W-40 –––
Capacity 1.0±0.05L (when replacement);
1.2±0.05L (complete disassembly of engine)
–––
–––
Fluid level
Between the upper fluid level line and lower
level line (idle speed or standing for 2-3
minutes after running)
–––
Wheels / tires
Tire tread depth
Front tire 3.8 mm 1.6mm
2.0mm
Rear tire 4.8 mm
Tire pressure (after tire cooling):
Front tire 190±10 kPa –––
Rear tire 210±10 kPa –––
Final drive mechanism
Drive chain wearing (length of 20
chain rings)
28∼35 mm
317.5 ∼ 318.2 mm
323 mm
Standard drive chain:
Model 428HG –––
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