10 Maintenance BTS 630, 635
52 Operator's manual
Topping up with fuel
1. Slowly unscrew and remove the fuel cap.
Note: Slowly unscrew the fuel cap so that any overpressure can slowly escape.
2. Top up with fuel.
See chapter Technical data for the fuel specification.
See chapter Technical data for the fuel mixing table.
3. Position the fuel cap and tighten it.
Item Designation
1 Fuel cap