Suzuki Boulevard M50 User Manual

3-54 ENGINE
Measure each driven plate for distortion with a thickness gauge
and surface plate.
Replace driven plates which exceed the limit.
 Clutch driven plate distortion
Service Limit: 0.10 mm (0.004 in)
 09900-20803: Thickness gauge
CLUTCH SPRING FREE LENGTH
Measure the free length of each coil spring with a vernier cali-
pers, and compare the elastic strength of each with the specified
limit. Replace all the springs if any spring is not within the limit.
 Clutch spring free length
Service Limit: 46.8 mm (1.84 in)
 09900-20102: Vernier calipers
CLUTCH BEARING
Inspect the clutch release bearing for any abnormality, particu-
larly cracks, upon removal from the clutch, to decide whether it
can be reused or should be replaced.
Smooth engagement and disengagement of the clutch depends
much on the condition of this bearing.
NOTE:
Thrust washer is located between the pressure plate and thrust
bearing.
GENERATOR/SIGNAL GENERATOR/
STARTER CLUTCH
GENERATOR STATOR AND SIGNAL GENERATOR STATOR
INSPECTION 9-10, -23 and -24
GENERATOR STATOR AND SIGNAL
GENERATOR STATOR SERVICING
When replacing the generator stator or signal generator stator,
route the wire properly.
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)