Suzuki Boulevard M50 User Manual

PERIODIC MAINTENANCE 2-17
COOLING SYSTEM
ENGINE COOLANT LEVEL CHECK
• Keep the motorcycle upright.
• Check the engine coolant level by observing the full and lower
lines on the engine coolant reserve tank.
A Full line B Lower line
• If the level is below the lower line, add engine coolant to the
full line from the engine coolant reserve tank filler.
NOTE:
To remove the filler cap, remove the tool box cover and second-
ary gear case cover. (2-16)
ENGINE COOLANT CHANGE
• Remove the rear and front seat. (8-3)
• Remove the fuel tank. (6-3)
• Remove the radiator cap 1.
• Drain engine coolant by disconnecting the radiator hose 2
from the pump.

• Flush the radiator with fresh water if necessary.
• Connect the radiator hose 2 securely.
• Pour the specified engine coolant up to the radiator inlet.
• Bleed the air from the engine coolant circuit as following pro-
cedure.
NOTE:
For engine coolant information, refer to page 7-2.
RADIATOR HOSE
Inspect every 6 000 km (4 000 miles, 12 months).
ENGINE COOLANT
Replace engine coolant every 2 years.
* Do not open the radiator cap when the engine is hot,
as you may be injured by escaping hot liquid or
vapor.
* Engine coolant may be harmful if swallowed or if it
comes in contact with skin or eyes. If engine coolant
gets into the eyes or in contact with the skin, flush
thoroughly with plenty of water. If swallowed, induce
vomiting and call physician immediately!
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)