Yamaha YZF-R125 Service Manual: Installing the radiator

Yamaha YZF-R125 Service Manual / Cooling system / Radiator / Installing the radiator

1. Fill:

Cooling system (with the specified amount of the recommended coolant) Refer to "CHANGING THE COOLANT" on page 3-15.

2. Check:

Cooling system Leaks Repair or replace any
faulty part.

3. Measure:

Radiator cap opening pressure Below the specified pressure Replace
the radiator cap.

Refer to "CHECKING THE RADIATOR" on page 6-3.

Checking the radiator

1. Check: Radiator fins obstruction clean. Apply compressed air to the rear of the radiator. Damage repair or replace. NOTE: Straighten any flattened fins with a thin, flat-head scre ...

Other materials:

Checking the thermostat
1. Check: Thermostat Does not open at 80.5-83.5 C (176.9-182.3 F) Replace. a. Suspend the thermostat "1" in a container "2" filled with water. b. Slowly heat the water "3". c. Place a thermometer "4" in the water. d. While stirring the water, observe the thermostat and th ...

Checking the cylinder head
1. Eliminate: Combustion chamber carbon deposits (with a rounded scraper) NOTE: Do not use a sharp instrument to avoid damaging or scratching: Spark plug bore threads Valve seats 2. Check: Cylinder head Damage/scratches Replace. Cylinder head water jacket Min ...

Shifting
Shifting Shift pedal Neutral position Shifting gears lets you control the amount of engine power available for starting off, accelerating, climbing hills, etc. The gear positions are shown in the illustration. TIP To shift the transmission into the neutral position, press the ...