Radiator Inspection And Cleaning; Cooling Fan; Inspection - Suzuki GW250 Service Manual

7-8 COOLING AND LUBRICATION SYSTEM

RADIATOR INSPECTION AND CLEANING

• Remove the left and right fuel tank covers. (8-5)
• Inspect the radiator for water leaks. If any defects are found,
replace the radiator with a new one. If the fins are bent or
dented, repair them by carefully straightening them with the
blade of a small screwdriver.
• Blow out any foreign matter that is stuck in the radiator fins
using compressed air.
* Make sure not to bend the fins when using com-
pressed air.
* Always apply compressed air from the engine side of
engine. If compressed air is applied from the front
side, dirt will be forced into the pores of radiator.

COOLING FAN

INSPECTION

• Remove the right fuel tank cover. (8-5)
• Remove the reservoir tank. (7-5)
NOTE:
Do not drain the engine coolant.
• Disconnect the clamp 1 and cooling fan motor coupler 2.
• Test the cooling fan motor 3 for load current with an ammeter
4 connected as shown in the figure.
If the fan motor does not turn, replace the cooling fan motor
assembly with a new one. (7-6)
NOTE:
* When making this test, it is not necessary to remove the cool-
ing fan.
* Make sure that the battery 5 has a capacity enough to supply
the motor with 12 V.
* With the motor running at full speed, the ammeter 4 should
indicate an amperage not higher than 5 A.