Yamaha YW125Y_ Utility Trailer User Manual


 
2-11
SPEC
Item
Standard
Limit
ENGINE SPECIFICATIONS
Transmission
Transmission type V-belt automatic
Primary reduction system Helical gear
Primary reduction ratio 40/15 (2.667)
Secondary reduction system Spur gear
Secondary reduction ratio 44/11 (4.0)
Single speed automatic 2.398 ~ 0.823:1
Maximum main axle runout 0.04mm
(0.002in)
Maximum drive axle runout 0.04mm
(0.002in)
Air filter
Type Wet element
Fuel pump
Pump type Electrical
Model (manufacturer) 5S9 (AISAN)
Maximum consumption amperage 1.9A
Output pressure 250kPa (2.5kgf/cm
2
, 35.6psi)
Throttle body
Model (manufacturer) × quantity AC24-7 (AISAN) × 1
Throttle cable free play 3 ~ 5mm (0.12 ~ 0.20in)
(at the flange of the throttle grip)
ID mark 5S91 00
Engine idling speed 1700 ~ 1900r/min
Carbon monoxide density (exhaust pipe) 1.0% or less
Carbon monoxide density (tail pipe) 1.0% or less
Oil temperature 70 ~ 110°C (158 ~ 230°F)
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