Suzuki GSX-R750, Service Manual

Page: 411 / 495

8-38 SERVICING INFORMATION
ITEM STD/SPEC. LIMIT
Engine coolant type
Engine coolant
Use an antifreeze/coolant compatible with alumi-
num radiator, mixed with distilled water only, at
the ratio of 50:50.
———
———
Approx. 250 ml
(0.3/0.2 US/Imp qt)
Reserve
tank side
Approx. 2 150 ml
(2.3/1.9 US/Imp qt)
Engine
side
———
IN FUEL PUMP + FUEL PRESSURE REGULATOR
ITEM STD/SPEC. NOTE
Injector resistance
Fuel pump discharge amount
Fuel pressure regulator operating
set pressure
11 – 16
Ω
at 20°C (68°F)
Approx. 1.2 L (1.3/1.1 US/Imp qt) /30 sec.
Approx. 300 kPa (3.0 kgf/cm
2
, 43 psi)
FI S SECONDARY THROTTLE VALVE ACTUATOR
ITEM STD/SPEC. NOTE
CMP sensor resistance
CMP sensor peak voltage
0.9 – 1.7 k
Ω
More than 0.7 V
CKP sensor resistance
CKP sensor peak voltage
70 – 220
Ω
More than 0.5 V
IAP sensor input voltage
IAP sensor output voltage
4.5 – 5.5 V
Approx. 2.7 V at idle speed
TP sensor input voltage 4.5 – 5.5 V
TP sensor resistance
Approx. 1.0 k
Ω
Closed
Opened
Approx. 4.3 k
Ω
TP sensor output voltage
Approx. 1.1 V Closed
Opened
Approx. 4.4 V
ECT sensor input voltage
ECT sensor resistance
4.5 – 5.5 V
2.3 – 2.6 k
Ω
at 20°C (68°F)
IAT sensor input voltage
IAT sensor resistance
4.5 – 5.5 V
2.2 – 2.7 k
Ω
at 20°C (68°F)
AP sensor input voltage
AP sensor output voltage
4.5 – 5.5 V
Approx. 3.6 V at 100 kPa (760 mmHg)
TO sensor resistance
TO sensor voltage
60 – 64 k
Ω
Approx. 2.5 V
GP switch voltage More than 0.6 V (From 1st to Top)
Injector voltage
Ignition coil primary peak voltage
Battery voltage
More than 80 V (When cranking)
STV actuator position sensor input
voltage
4.5 – 5.5 V
STV actuator position sensor output
voltage
More than 0.2 V
Closed
Opened
Less than 4.8 V
STV actuator position sensor
resistance
Approx. 3.1 k
Ω
(At adjustment position)