Suzuki Boulevard M50 User Manual

9-4 ELECTRICAL SYSTEM
SEMI-CONDUCTOR EQUIPPED PART
• Be careful not to drop the part with a semi-conductor built in
such as a ECM.
• When inspecting this part, follow inspection instruction strictly.
Neglecting proper procedure may cause damage to this part.
BATTERY
• The MF battery used in this motorcycle does not require main-
tenance (e.g., electrolyte level inspection, distilled water
replenishment).
• During normal charging, no hydrogen gas is produced. How-
ever, if the battery is overcharged, hydrogen gas may be pro-
duced. Therefore, be sure there are no fire or spark sources
(e.g., short circuit) nearby when charging the battery.
• Be sure to recharge the battery in a well-ventilated and open
area.
• Note that the charging system for the MF battery is different
from that of a conventional battery. Do not replace the MF
battery with a conventional battery.
CONNECTING THE BATTERY
• When disconnecting terminals from the battery for disassem-
bly or servicing, be sure to disconnect the - battery lead
wire, first.
• When connecting the battery lead wires, be sure to connect
the + battery lead wire, first.
• If the terminal is corroded, remove the battery, pour warm
water over it and clean it with a wire brush.
• After connecting the battery, apply a light coat of grease to the
battery terminals.
• Install the cover over the + battery terminal.
WIRING PROCEDURE
• Properly route the wire harness according to the “WIRE
ROUTING” section. (10-15 to -16)
INCORRECT
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)