Toro Z Master Professional 5000 Series Operator's Manual page 17

chance of varnish deposits in the fuel system, use fuel
stabilizer at all times.
Filling the Fuel Tank
1. Park the machine on level ground.
2. Shut the engine off and set the parking brake.
3. Clean around the fuel-tank cap and remove it.
Add regular unleaded gasoline to the fuel tank
until the level is 6 to 13 mm (1/4 to 1/2 inch)
below the bottom of the filler neck. This space in
the tank allows the gasoline to expand. Do not
fill the fuel tank completely full; refer to
7).
17
(Figure
Figure 7
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