Suzuki Intruder VZ800 User Manual

FUEL SYSTEM AND THROTTLE BODY 6-1
6
FUEL SYSTEM AND THROTLE BODY
CONTENTS
FUEL DELIVERY SYSTEM ...........................................................................6- 2
FUEL SYSTEM ..............................................................................................6- 3
FUEL TANK REMOVAL..........................................................................6- 3
FUEL TANK INSTALLATION .................................................................6- 3
FUEL PRESSURE INSPECTION............................................................6- 4
FUEL PUMP INSPECTION .....................................................................6- 5
FUEL DISCHARGE AMOUNT INSPECTION .........................................6- 5
FUEL PUMP RELAY INSPECTION ........................................................6- 6
FUEL PUMP REMOVAL AND DISASSEMBLY .....................................6- 7
FUEL MESH FILTER INSPECTION AND CLEANING ...........................6-11
FUEL PUMP REASSEMBLY AND INSTALLATION ..............................6-11
THROTTLE BODY.........................................................................................6-12
CONSTRUCTION ....................................................................................6-12
AIR CLEANER BOX REMOVAL.............................................................6-13
AIR CLEANER BOX INSTALLATION ....................................................6-13
THROTTLE BODY REMOVAL ...............................................................6-13
THROTTLE BODY DISASSEMBLY .......................................................6-14
THROTTLE BODY CLEANING...............................................................6-17
INSPECTION ...........................................................................................6-17
THROTTLE BODY REASSEMBLY ........................................................6-17
THROTTLE BODY INSTALLATION .......................................................6-20
STP SENSOR ADJUSTMENT ................................................................6-21
FUEL INJECTOR REMOVAL .................................................................6-21
FUEL INJECTOR INSPECTION .............................................................6-21
FUEL INJECTOR INSTALLATION .........................................................6-22
FAST IDLE ..............................................................................................6-22
FAST IDLE ADJUSTMENT.....................................................................6-22
THROTTLE VALVE SYNCHRONIZATION.............................................6-24
THROTTLE POSITION SENSOR (TPS) SETTING ................................6-25

Gasoline must be handled carefully in an area well ventilated and away from fire or
sparks.
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)