Suzuki Boulevard M50, Service Manual

Page: 31 / 454

PERIODIC MAINTENANCE 2-15
MAJOR ADJUSTMENT
• Remove the rear and front seats. (

8-3)
• Remove the fuel tank. (

6-3)
• Loosen the lock nut
1
of the throttle returning cable.
• Turn the returning cable adjuster
2
to obtain proper cable
play.
• Loosen the lock nut
3
of the throttle pulling cable.
• Turn the pulling cable adjuster
4
in or out until the throttle
cable play
A
should be 2.0 – 4.0 mm (0.08 – 0.16 in) at the
throttle grip.
• Tighten the lock nut
3
securely while holding the adjuster
4
.

Throttle cable play
A
: 2.0 – 4.0 mm (0.08 – 0.16 in)
• While holding the throttle grip at the fully closed position,
slowly turn the returning cable adjuster
2
to obtain a slack of
1.0 mm (0.04 in).
• Tighten the lock nut
1
securely.

THROTTLE VALVE SYNCHRONIZATION
Inspect the throttle valve synchronization periodically.
(

6-24)
EVAPORATIVE EMISSON CONTROL SYS-
TEM (FOR E-33 ONLY)
(

11-9)
PAIR (AIR SUPPLY) SYSTEM
Inspect the PAIR (air supply) system periodically.
(

11-5)
After the adjustment is completed, check that handle-
bar movement does not raise the engine idle speed
and that the throttle grip returns smoothly and auto-
matically.
Inspect initially at 1 000 km (600 miles, 2 months) (For
E-33 only) and every 12 000 km (7 500 miles, 24
months).
Inspect every 12 000 km (7 500 miles, 24 months).
Replace vapor hose every 4 years.
Inspect every 12 000 km (7 500 miles, 24 months).
1 mm
(0.04 in)
SA
MP
LE