Suzuki VLR1800 Service Manual

1A-35 Engine General Information and Diagnosis:
1 6) Disconnect the ECM coupler. Refer to “ECM Removal
and Installation in Section 1C (Page 1C-1)”.
7) Insert the needle pointed probes to the lead wire coupler.
8) Check the continuity between the R wires “A” (#1 and
#2) and terminal “11”.
Also, check the continuity between the Bl/R wire “B” and
terminal “26” (#2), or G/B wire “B” and terminal “9” (#1).
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity ( )
ECM coupler (Harness side)
Is the continuity OK?
Go to Step 2. • R and Bl/R or G/B
wire open.
• Bl/R or G/B wire
shorted to ground.
Step Action Yes No
“B”
“A”
(A)
(B)
“9”
“11”
“26”
(Black)
(Gray)
I822H1110021-02

Suzuki VLR1800 Specifications

General

Manufacturer	Suzuki
Model	VLR1800
Compression Ratio	10.5:1
Fuel System	Fuel injection
Starter	Electric
Transmission	5-speed
Category	Cruiser
Displacement	1783 cc
Ignition	Electronic ignition (Transistorized)
Final Drive	Shaft
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Rear Brakes	Single disc
Ground Clearance	140 mm
Seat Height	705 mm