Suzuki RMX450Z Service Manual

Engine General Information and Diagnosis: 1A-64
Step Action Yes No
1 5) If OK, then check the continuity between each terminal
and ground.
Special tool
(A): 09900–25008 (Multi circuit tester set)
Tester knob indication
Resistance (Ω)
Fuel injector continuity
∞ Ω (Infinity)
Are the resistance and continuity OK?
Go to Step 2. Replace the fuel injector
with a new one. Refer to
“Fuel Injector / Fuel
Delivery Pipe / T-joint
Removal and
Installation” in Section
1G (Page 1G-6).
2 1) Turn on the ignition switch.
2) Measure the fuel injector voltage between O wire and
ground.
NOTE
Fuel injector voltage can be detected only for 3
seconds after ignition switch is turned ON.
Special tool
(A): 09900–25008 (Multi circuit tester set)
(B): 09900–25009 (Needle-point probe set)
Tester knob indication
Voltage ( )
Fuel injector voltage
Battery voltage
((+) terminal: O – (–) terminal: Ground)
Is the voltage OK?
• Gr/W wire open or
shorted to ground, or
poor “16” connection.
• If wire and
connection are OK,
intermittent trouble or
faulty ECM.
• Recheck each
terminal and poor
connection.
• Replace the ECM
with a known good
one, and inspect it
again.
Open circuit in the O
wire.
(A)
IA02J1110067-01
(B)
(A)
IA02J1110068-01

Suzuki RMX450Z Specifications

General

Displacement	449cc
Compression Ratio	12.5:1
Fuel System	Fuel injection
Starter	Electric
Transmission	5-speed constant mesh
Final Drive	Chain
Front Suspension	Inverted telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Engine Type	4-stroke, liquid-cooled, DOHC
Bore x Stroke	96.0 mm x 62.1 mm
Front Brakes	Single disc
Rear Brakes	Single disc
Front Tire	80/100-21
Fuel Tank Capacity	6.2 L (1.6 US gal)
Overall Length	2185 mm (86.0 in)
Ground Clearance	325mm
Seat Height	955mm
Wheelbase	1, 480mm