Yamaha XMAX YP125R - Service manual > Changing the coolant

1. Remove:

2. Remove:

3. Disconnect:

Changing the coolant

4. Drain:

5. Remove:

WARNING

A hot radiator is under pressure. Therefore, do not remove the radiator cap when the engine is hot. Scalding hot fluid and steam may be blown out, which could cause serious injury.

When the engine has cooled, open the radiator cap as follows: Place a thick rag or a towel over the radiator cap and slowly turn the radiator cap counterclockwise to allow any residual pressure to escape. When the hissing sound has stopped, remove the cap.

1. Remove:

2. Remove:

3. Disconnect:

Changing the coolant

4. Drain:

5. Remove:

WARNING

A hot radiator is under pressure. Therefore, do not remove the radiator cap when the engine is hot. Scalding hot fluid and steam may be blown out, which could cause serious injury.

When the engine has cooled, open the radiator cap as follows: Place a thick rag or a towel over the radiator cap and slowly turn the radiator cap counterclockwise to allow any residual pressure to escape. When the hissing sound has stopped, remove the cap.

Changing the coolant

6. Remove:

Changing the coolant

7. Drain:

8. Install:

Coolant drain bolt (to the cylinder) (along with the copper washer )

Coolant drain bolt 7 Nm (0.7 m*kgf, 5.1 ft*lbf)

9. Connect:

10.Fill:

Recommended antifreeze

High-quality ethylene glycol antifreeze containing corrosion inhibitors for aluminum engines Mixing ratio 1:1 (antifreeze:water)

Radiator capacity (including all routes) 1.00 L (1.06 US qt, 0.88 Imp.qt)

Coolant reservoir capacity (up to the maximum level mark) 0.25 L (0.26 US qt, 0.22 Imp.qt)

TIP

The specified amount of coolant is a standard amount. Fill the cooling system with coolant until coolant comes out of the air bleed bolt hole "1".

Changing the coolant

Handling notes for coolant

Coolant is potentially harmful and should be handled with special care.

WARNING

NOTICE

11.Install:

12.Fill:

Changing the coolant

13.Install:

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

15.Check:

TIP

Before checking the coolant level, wait a few minutes until the coolant has settled.

16.Install:

See also:

 Yamaha XMAX YP125R - Service manual > Changing the final transmission oil

1. Stand the vehicle on a level surface. TIP Place the vehicle on the centerstand. Make sure that the vehicle is upright. 2. Start the engine, warm it up for several minutes, and then turn it off.

 Yamaha XMAX YP125R - Service manual > Engine (YP250R)

Maxi Scooters: