Suzuki VLR1800 Service Manual

Engine General Information and Diagnosis: 1A-72
P1654-L (Use of SDS)
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the right air cleaner box. Refer to “Air Cleaner
Element Removal and Installation in Section 1D
(Page 1D-6)”.
3) Check the STP sensor coupler (1) for loose or poor
contacts.
If OK, then check the STP sensor lead wire continuity.
4) Disconnect the STP sensor coupler.
5) Check the continuity between the Y/W wire “A” and
ground.
Also, check the continuity between the Y/W wire “A” and
B/Br wire “B”.
If the sound is not heard from the tester, the circuit
condition is OK.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Continuity ( )
Go to Step 2. R or Y/W wire open, or
Y/W wire shorted to
ground.
1
I822H1110068-01
“A”
“B”
(A)
I822H1110069-01

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