Suzuki DF 50 Service Manual

PERIODIC MAINTENANCE 2-14
IDLE SPEED
Inspect initially after 20 hours (1 month) and every 200
hours (12 months) thereafter.
NOTE:
• Before checking idle speed, the engine should be allowed to
warm up.
• Check and / or adjust idle speed after engine speed has sta-
bilized.
z
(3) Start engine.
(4) Attach engine tachometer to the special tool.
09900-26006 : Engine tachometer
(5) Check engine speed.
Idle speed (no load) : 800 – 900 r / min
ADJUSTMENT :
If the idle speed is out of specification, adjust it as follows :
(6) Remove IAC hose from silencer case.
(7) To stop the airflow from the IAC passage, pinch the IAC
valve hose closed.
(8) Adjust the engine speed to approx. 800 r / min. by turning
the by-pass airscrew.
Turning airscrew clockwise : Engine speed will
decrease.
Turning airscrew counterclockwise
: Engine speed will increase.
(1) Remove bolt and No.1 ignition coil.
(2) Connect special tool (H
.
T cord with plug cap adapter) be-
tween No.1 ignition coil and spark plug.
09930-88720 : H
.
T cord with plug cap adapter
z

Suzuki DF 50 Specifications

General

Engine Type	4-Stroke
Cylinders	3
Displacement	941 cc
Starting System	Electric
Steering	Remote
Engine Type Detail	DOHC 12-Valve
Maximum Output	50 HP
Ignition System	Digital CDI
Alternator	12V 19A
Gear Ratio	2.27:1
Exhaust	Through Prop Hub Exhaust
Trim Method	Power Trim and Tilt
Max Power	50 HP
Alternator Output	12V 19A
Fuel Delivery System	Sequential Multi Point Electronic Fuel Injection
Full Throttle Operating Range	5, 300 - 6, 300 rpm
Engine Oil Capacity	2.7 L
Full Throttle RPM Range	5300 - 6300 RPM
Oil Capacity	2.7 L
Bore x Stroke	72.5 x 76.0 mm (2.85 x 2.99 in.)