Suzuki Boulevard M50 User Manual

9-30 ELECTRICAL SYSTEM
ENGINE COOLANT TEMPERATURE METER AND
INDICATOR
ECT sensor inspection. (!7-10)
• Remove the fuel tank. (!6-3)
• Remove the frame head covers. (!3-3)
• Disconnect the ECT sensor coupler

1.
"
• Connect the variable resistor

A between the terminals.
• Turn the ignition switch ON.
• Check the LCD and LED operation when the resistance is
adjusted to the specified values.
If either one or all indication are abnormal, replace the speed-
ometer with a new one.
FUEL LEVEL INDICATOR SWITCH INSPECTION
• Remove and disassemble the fuel pump assembly. (!6-8)
• Connect 12 V battery and test bulb (12 V, 3.4 W) to the fuel
level indicator switch as shown in the right illustration. The
bulb should come on after one minutes if the switch is in good
condition.
When connecting and disconnecting the engine cool-
ant temperature sensor lead wire coupler, make sure
to turn OFF the ignition switch, or electronic parts
may get damaged.
Resistance

A LED

B LCD

c Water temperature
2.45 kΩ and over OFF — 19 °C and below
Approx. 0.811 kΩ OFF — Approx. 50 °C
Approx. 0.1 kΩ ON Flicker 120 – 139 °C
0 Ω (Jumper wire) ON Flicker 140 °C and over
ON
Te s t
bulb
Battery
SAMPLE

Suzuki Boulevard M50 Specifications

General

Compression Ratio	9.4:1
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
Front Tire	130/90-16M/C 67H, tubeless
Rear Tire	170/80-15M/C 77H, tubeless
Ground Clearance	140 mm (5.5 in)
Seat Height	700 mm (27.6 in)
Engine Type	4-stroke, liquid-cooled, V-twin
Bore x Stroke	83.0 mm x 74.4 mm
Rear Suspension	coil spring, oil damped
Front Brakes	Single hydraulic disc
Rear Brakes	Drum
Fuel Tank Capacity	15.5 L (4.1 US gal)
Wheelbase	1, 655 mm (65.2 in)