Suzuki DF 50 Service Manual

POWER UNIT 6-64
THERMOSTAT
REMOVAL
• Disconnect water hose 1 from thermostat cover.
• Remove the four (4) bolts
2 securing the thermostat cover,
then remove the cover
3 and thermostat 4.
INSPECTION
• If salt deposits, corrosion, wear or other damage is found,
clean or replace.
• Thermostat operation
Check thermostat opening temperature as follows :
• Insert a length of thread between thermostat valve / body
and suspend thermostat in a container filled with water.
• Place thermometer in container and heat water.
Observe water temperature when thermostat valve opens
and releases thread.
Thermostat operating temperature
Standard : 48 – 52
°°
°°
°C (126 – 134
°°
°°
°F)
Thermometer
Heater
INSTALLATION
Installation is reverse order of removal with special attention to
the following steps.
• Assemble thermostat
1, gasket 2 and thermostat cover 3
to cylinder head block and secure with bolts.
@@
@@
@ Thermostat cover bolt : 10 N
.
m (1.0 kgf-m, 7.2 Ib.-ft.)

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.)