KTM 390 Adventure - Owner's Manual > Installing the rear wheel

Warning: Danger of accidents

Oil or grease on the brake discs reduces the braking effect.

• Always keep the brake discs free of oil and grease.
• Clean the brake discs with brake cleaner when necessary.

Warning: Danger of accidents

There is no braking effect to start with at the rear brake after installing the rear wheel.

• Actuate the foot brake several times before going on a ride until you can feel a firm pressure point.

Main work

• Check the wheel bearing for damage and wear.
  • If the wheel bearing is damaged or worn:
    • Change the rear wheel bearing.
• Remove the spacers.
• Clean and grease shaft seal rings 1 and contact surfaces A of the spacers.

Long-life grease

• Clean the thread of the wheel spindle and axle nut.
• Clean and grease wheel spindle.

Long-life grease

• Clean the contact areas on the brake caliper bracket and link fork.
• Mount the damping rubber and rear sprocket carrier on the rear wheel.
• Insert the spacers.
• Position the rear wheel.

  The brake linings are correctly positioned.

• Push the rear wheel forward as far as possible and lay the chain on the rear sprocket.
• Position the chain guard.

• Pull the rear wheel back and mount wheel spindle3with the washer and chain adjuster 4.

Guideline

• Mount nut 2 and the washer.
• Push the rear wheel forward so that the chain adjusters are in contact with the screws, and tighten nut 2.

Guideline

• Position wheel speed sensor 5 in the hole.
• Mount and tighten screw 6.

Guideline

• Mount and tighten screw 7.

Guideline

Finishing work

• Remove the rear of the motorcycle from the lifting gear.
• Check the chain tension.

Checking the rear hub damping rubber pieces

Info The engine power is transmitted from the rear sprocket to the rear wheel via the 6 damping rubber pieces.

They eventually wear out during operation. If the damping rubber pieces are not changed in time, the rear sprocket carrier and the rear hub will be damaged.

Preparatory work

• Raise the motorcycle with the rear lifting gear.
• Remove the rear wheel.

Main work

• Check bearing1.
  • If the bearing is damaged or worn:
    • Change the bearing.
• Check the damping rubber pieces2of the rear hub for damage and wear.
  • If the damping rubber pieces of the rear hub are damaged or worn:
    • Change all the damping rubber pieces of the rear hub.

• Lay the rear wheel on a workbench with the rear sprocket facing upwards and insert the wheel spindle in the hub.
• To check play A, hold the rear wheel tight and try to rotate the rear sprocket.

Info Measure the play on the outside of the rear sprocket.

• If clearance A is larger than the specified value:
  • Change all the damping rubber pieces of the rear hub.

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