Specifications of fuel system (DFI) (Kawasaki Versys 650, 2007-2025) [Engine and systems: Fuel system]

Item	Standard
Digital Fuel Injection System
Idle Speed	1 300±50 r/min (rpm)
Throttle Body Assy:
Type	Two barrel type
Bore	38 mm (1.50 in.)
ECU (Electronic Control Unit):
Make	DENSO
Type	Digital memory type, with built in IC igniter, sealed with resin
Usable Engine Speed	100-10 650 r/min (rpm)
Fuel Pressure (High Pressure Line):
With Engine Idling	294 kPa (3.0 kgf/cm², 43 psi) with fuel pump running
Fuel Pump:
Type	In-tank friction pump
Discharge	60 mL or more for 3 seconds
Fuel Injectors:
Type	INP-287
Nozzle Type	One spray type with 12 holes
Resistance	About 11.7-12.3 Ω at 20°C (68°F)
Main Throttle Sensor:	Non-adjustable and non-removable
Input Voltage	DC 4.75-5.25 V between BL and BR/BK leads
Output Voltage at Idle Throttle Opening	DC 1.005-1.035 V between Y/W and BR/BK leads
Output Voltage at Full Throttle Opening	DC 4.2-4.4 V between Y/W and BR/BK leads
Resistance	4-6 kΩ
Inlet Air Pressure Sensor:
Input Voltage	DC 4.75-5.25 V between BL and BR/BK leads
Output Voltage	DC 3.80-4.20 V at standard atmospheric pressure (see this text for details)
Inlet Air Temperature Sensor:
Resistance	5.4-6.6 kΩ at 0°C (32°F)
	0.29-0.39 kΩ at 80°C (176°F)
Output Voltage at ECU	About 2.25-2.50 V at 20°C (68°F)
Water Temperature Sensor:
Resistance	see Electrical System chapter
Output Voltage at ECU	About 2.80-2.97 V at 20°C (68°F)
Speed Sensor:
Input Voltage at Sensor	About DC 9-11 V at Ignition Switch ON
Output Voltage at Sensor	About DC 0.05-0.07 V or DC 4.5-4.9 V at Ignition Switch ON and 0 km/h
Vehicle-down Sensor:
Detection Method	Magnetic flux detection method
Detection Angle	more than 60-70° for each bank
Output Voltage	with the sensor tilted 60-70° or more: 0.65-1.35 V with sensor arrow mark pointed up: 3.55-4.45 V
Subthrottle Sensor:	Non-adjustable and non-removal
Input Voltage	DC 4.75-5.25 V between BL and BR/BK leads
Output Voltage at Idle Throttle Opening	DC 0.4-0.6 V between BL/W and BR/BK leads
Output Voltage at Full Throttle Opening	DC 3.825-3.975 V between BL/W and BR/BK leads
Resistance	4-6 kΩ
Subthrottle Valve Actuator:
Resistance	About 5.5-7.5 Ω
Input Voltage	About DC 8.5-10.5 V
Oxygen Sensor (Europe Models):
Output Voltage (Rich)	0.7 V or more
Output Voltage (Lean)	0.2 V or less
Heater Resistance	11.7-14.5 Ω at20°C (68°F)
Throttle Grip and Cables
Throttle Grip Free Play	2-3 mm (0.08-0.12 in.)

Specifications of fuel system (DFI) (Kawasaki KLE 650 Versys)