sensor specifications
 

Sensor Specifications
1990 735 SERIES
RPM Reference Position Sensor Resistance 490-550 Ohm
Intake Air Temperature Sensor Resistance
Temperature（℃）..... Ohm
-10............... 8260-10560
17 -23............. 2200-2700
47-53................ 760-910

Water Temperature Sensor Resistance
Temperature（℃）............. Ohm
-10.............................. 8260-10560
17 -23............................ 2200-2700
47-53................................ 760-910

Cylinder Identification Sensor Resistance
Resistance 0.2-1.0 Kohm

Air Flow Sensor Voltage
(Idle To Wide Open Throttle ) Voltage 1.0-4.5V

O2 Sensor Voltage
Condition V
Lean 0.25
Rich 0.85

and more here

http://www.kovsh.com/media/library/312/Sensors%20Europe.pdf