You need

• Open-end wrench 21 mm
• Allen key 2.5 mm
• Allen key 3 mm
• Phillips
• Optional: spray adhesive or hot glue
• Optional: Thread (2m)

If you want to change the coat, you will need

• Mounting lever (2 pieces)
• Tire mounting paste
• compressor

Removing the engine

1. First, remove the rear axle cover
   
2. Then disconnect the motor plug
   
3. If you now remove both nuts, you can take the motor out downwards.

Tire change

To change the tire, take the motor and place it on a stable surface or clamp it. Be careful not to damage the axle or the cable attachment. 

1. Lubricate the tire generously with appropriate assembly paste.
2. Deflate the tire completely
3. Carefully place the mounting lever on the tire.
4. Pry the tire off the rim piece by piece.
5. Disconnect the valve from the axle and remove the hose
6. Clean the inside of the rim if necessary.
7. Place the new tube on the rim. Make sure that it is not twisted
8. Attach the valve of the new hose
9. Lubricate the rim and the new tire again with assembly paste
10. Put the new tire back on the rim using the mounting levers
11. Pump up the tire with the compressor to about 3.5 bar. Then let the air out of the tire if necessary.
12. Remove all residues of assembly paste.