Yamaha 2010 XMAX YP125R Service Manual page 39

Secondary reduction ratio
Operation
Gear ratio
Decompression device
Device type
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
Water temperature
Oil temperature
Throttle cable free play
ENGINE SPECIFICATIONS (YP125R)
44/13 (3.385)
Centrifugal automatic type
2.645–0.824 :1
Auto decomp
Oil-coated paper element
Electrical
250.0 kPa (2.50 kgf/cm², 36.3 psi)
1P51/1
EFI 1B91/1
1B91 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)
1600–1800 r/min
0.5%
67.0–73.0 kPa (503–548 mmHg, 19.8–21.6
inHg)
80.0–90.0 °C (176.00–194.00 °F)
75.0–85.0 °C (167.00–185.00 °F)
3.0–5.0 mm (0.12–0.20 in)
2-8