Yamaha YZF-R125 Service Manual: Checking the coolant level

Yamaha YZF-R125 Service Manual / Periodic checks and adjustments / Engine / Checking the coolant level

1. Stand the vehicle on a level surface.

NOTE:

Place the vehicle on a suitable stand.
Make sure the vehicle is upright.

2. Check:

Coolant level The coolant level should be between the maximum level mark "a" and minimum level mark "b".

Below the minimum level mark → Add the recommended coolant to the proper level.

NOTE:

To access the coolant reservoir cap "1", remove the right side cover. Refer to "GENERAL CHASSIS" on page 4-1.

Checking the coolant level

CAUTION:

Adding water instead of coolant lowers the antifreeze content of the coolant. If water is used instead of coolant, check and, if necessary, correct the antifreeze concentration of the coolant.
Use only distilled water. However, if distilled water is not available, soft water may be used.

3. Start the engine, warm it up for several minutes, and then turn it off.

4. Check:

Coolant level

NOTE:

Before checking the coolant level, wait a few minutes until it settles.

Checking the exhaust system

1. Check: Exhaust assembly "1" Cracks/damage → Replace. Exhaust pipe gasket "2" Exhaust gas leaks → Replace. 2. Check: Tightening torques of the exhaust pipe nuts "3" an ...

Checking the cooling system

1. Remove: Side covers Upper side cowlings Refer to "GENERAL CHASSIS" on page 4-1. 2. Check: Radiator "1" Radiator inlet hose "2" Radiator outlet hose "3" Coolant reservoir hose ...

Other materials:

Owner's tool kit
Owner's tool kit Owner's tool kit Engine oil drain attachment The owner's tool kit is located under the rider seat. The service information included in this manual and the tools provided in the owner's tool kit are intended to assist you in the performance of preventive maint ...

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 ...

General chassis
Installing the air filter case 1. Install: Air filter case joint clamp NOTE: Align the projection "a" on the air filter case with the slot "b" in the air filter case joint clamp. ...