Suzuki Intruder VZ800 User Manual

9-20 ELECTRICAL SYSTEM
IGNITION SYSTEM
NOTE:
The fuel cut-off circuit is incorporated in this ECM in order to prevent over-running of engine. When engine
speed reaches 8 000 r/min during running, this circuit cuts off fuel at the fuel injector.
TROUBLESHOOTING
No spark or poor spark
NOTE:
Check that the transmission is in neutral and the engine stop switch is in the “RUN” position. Grasp the
clutch lever. Check that the fuse is not blown and the battery is fully-charged before diagnosing.
Step 1
1) Check the ignition system couplers for poor connections.
Is there connection in the ignition switch couplers?
YES Go to Step 2.
NO Poor connection of couplers
ECM
Throttle
position
sensor
Engine
oil temp.
sensor
Gear
position
switch
Engine stop switch
Side-
stand
relay
Fuse
Fuse
Ignition
switch
Ignition
coil
Spark plug
Battery
CKP
sensor
#1
#2
SAMPLE

Suzuki Intruder VZ800 Specifications

General

Engine Type	4-stroke, liquid-cooled, DOHC, 45-degree V-twin
Displacement	805 cc
Bore x Stroke	83.0 mm x 74.4 mm
Compression Ratio	9.4:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Transmission	5-speed constant mesh
Final Drive	Shaft drive
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Rear Brake	Drum brake
Seat Height	700 mm (27.6 in)
Front Brake	Disc brake
Rear Tire	170/80-15M/C 77H, tube type
Fuel Tank Capacity	15.5 L (4.1 US gallons)