Coolant change (Aprilia RS125/3)
- Main
- Aprilia
- RS-series
- RS 125 [3]
- Engine and systems
- Cooling and lube system
- Coolant change
Read 1.2.1 and 1.3.1 carefully.
Change coolant every two years.
Remove the left-hand side fairing; see 7.1.2.
Lift the fuel tank; see 2.9.1.
Place a container with capacity greater than 1 litre under the drain plug (1) to collect coolant.
Release and remove the drain plug (1).
Remove the cap (2) of the expansion reservoir (3) to facilitate drainage.
Refit the drain plug (1).
Fill the expansion reservoir (3) up to maximum level.
Slacken the screw (4) on the radiator.
Wait until coolant drains out and then tighten the screw (4).
Top up with coolant; see 2.10.1.
Slacken the screw (5) on the union.
Wait until coolant drains out and then tighten the screw (5).
[The article is taken from the website motoinstruction.ru]
Top up with coolant again if needed; see 2.10.1.
Change coolant every two years.
Remove the left-hand side fairing; see 7.1.2.
Lift the fuel tank; see 2.9.1.
Place a container with capacity greater than 1 litre under the drain plug (1) to collect coolant.
Release and remove the drain plug (1).

Remove the cap (2) of the expansion reservoir (3) to facilitate drainage.
Do not release coolant into the environment.
Refit the drain plug (1).
Fill the expansion reservoir (3) up to maximum level.

Slacken the screw (4) on the radiator.
Wait until coolant drains out and then tighten the screw (4).
Top up with coolant; see 2.10.1.

Slacken the screw (5) on the union.
Wait until coolant drains out and then tighten the screw (5).
[The article is taken from the website motoinstruction.ru]
Top up with coolant again if needed; see 2.10.1.

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This article has been reviewed: Artemy Kuzmin
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- Information for owner
- Introduction to manual
- Maintenance
- Troubleshooting
- Engine and systems
- Engine repair
- Fuel system
- Cooling and lube system
- Running gear and frame
- Frame and hinged elements
- Front suspension and handlebar
- Rear suspension
- Brake system
- Wheels and tires
- Electric equipment
- Equipment and devices
- Starting and charging system
