Suzuki VZR1800 2008 User Manual

SERVICING INFORMATION 11-7
ENGINE
Complaint Symptom and possible causes Remedy
Engine will not start
or is hard to start.
Compression too low
1. Tappet clearance out of adjustment
2. Worn valve guides or poor seating of valves
3. Mistiming valves
4. Excessively worn piston rings
5. Worn-down cylinder bores
6. Too slowly starter motor cranks
7. Poor seating of spark plugs
Plug not sparking
1. Fouled spark plugs
2. Wet spark plugs
3. Defective ignition coils
4. Defective ignition coil/plug caps
5. Defective CKP sensor
6. Defective ECM
7. Open-circuited wiring connections
8. Open or short in high-tension cords
No fuel reaching the intake manifold
1. Clogged fuel filter or fuel hose
2. Defective fuel pump
3. Defective fuel pressure regulator
4. Defective fuel injector
5. Defective fuel pump relay
6. Defective ECM
7. Open-circuited wiring connections
Incorrect fuel/air mixture
1. TP sensor out of adjustment
2. Defective fuel pump
3. Defective fuel pressure regulator
4. Defective TP sensor
5. Defective CKP sensor
6. Defective IAP sensor
7. Defective ECM
8. Defective ECT sensor
9. Defective IAT sensor
Adjust.
Repair or replace.
Adjust.
Replace.
Replace.
See electrical section.
Retighten.
Clean.
Clean and dry.
Replace.
Replace.
Replace.
Replace.
Repair or replace.
Replace.
Clean or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Check and repair.
Adjust.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.

Suzuki VZR1800 2008 Specifications

General

Displacement	1783 cc
Bore x Stroke	112.0 mm x 90.5 mm
Compression Ratio	10.5:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Transmission	5-speed constant mesh
Final Drive	Shaft drive
Front Suspension	Inverted telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Brakes	Dual hydraulic disc
Rear Brakes	Single hydraulic disc
Engine Type	4-stroke, liquid-cooled, DOHC, V-twin
Front Tire	130/70R18M/C 63H
Overall Length	2485mm (97.8 inches)
Overall Height	1185 mm
Ground Clearance	140 mm (5.5 in)
Seat Height	705 mm
Curb Weight	347 kg