Yamaha 2010 XMAX YP125R Service Manual page 85

Clutch shoe spring free length
Clutch housing inside diameter
Limit
Compression spring free length
Limit
Weight outside diameter
Limit
Clutch-in revolution
Clutch-stall revolution
V-belt
V-belt width
Limit
Transmission
Transmission type
Primary reduction system
Primary reduction ratio
Secondary reduction system
Secondary reduction ratio
Operation
Gear ratio
Air filter
Air filter element
Fuel pump
Pump type
Output pressure
Fuel injector
Model/quantity
Throttle body
Type/quantity
ID mark
Throttle position sensor
Input voltage (at idle)
Output voltage (at idle)
Fuel injection sensor
Crankshaft position sensor resistance
Intake air pressure sensor output voltage
Intake air temperature sensor resistance
Coolant temperature sensor resistance
Idling condition
Engine idling speed
CO% (muffler tailpipe)
Intake vacuum
ENGINE SPECIFICATIONS (YP250R)
40.5 mm (1.59 in)
145.0 mm (5.71 in)
145.5 mm (5.73 in)
102.4 mm (4.03 in)
90.0 mm (3.54 in)
20.0 mm (0.79 in)
19.5 mm (0.77 in)
2100–2700 r/min
3650–4650 r/min
23.0 mm (0.91 in)
21.0 mm (0.83 in)
V-belt automatic
Helical gear
40/15 (2.666)
Helical gear
40/14 (2.857)
Centrifugal automatic type
2.440–0.830 :1
Oil-coated paper element
Electrical
250.0 kPa (2.50 kgf/cm², 36.3 psi)
1C04/1
EFI 1C04/1
1C04 00
5 V
0.40–0.90 V
248–372 Ω at 20 °C (68 °F)
3.57–3.71 V
2.21–2.69 kΩ at 20 °C (68 °F)
2.32–2.59 kΩ at 20 °C (68 °F)
310–326 Ω at 80 °C (176 °F)
1450–1650 r/min
0.3–0.7%
39.0–45.0 kPa (293–338 mmHg, 11.5–13.3
inHg)
2-54