181-789-14 Four-Cycle Engine • Horizontal Crankshaft • Air-Cooled Page 5
B. Filling Oil Sump
I. Oil Fill Cap With Dipstick
If your engine has an oil fill cap go to step 1. If your engine
has an oil fill plug see “Oil Fill Cap Without Dipstick”
instructions listed below.
1. Be sure engine is upright and level.
2. Unscrew oil fill cap from oil filler tube and wipe dipstick
clean. See Figure 8.
3. Screw oil fill cap back into oil filler tube. Tighten
securely.
4. Unscrew and remove oil fill cap from oil filler tube. Note
oil level. If oil reading on dipstick is below “ADD” mark,
slowly add oil to reach “FULL” level. See Figure 7.
5. Screw oil fill cap back into oil filler tube. Tighten
securely.
6. Wipe away any spilled oil.
II. Oil Fill Cap Without Dipstick (Oil Fill Plug)
If your engine has an oil fill plug go to step 1. If your engine
has an oil fill cap see “Oil Fill Cap With Dipstick”
instructions listed above.
1. Be sure engine is upright and level.
2. Clean area around oil fill plugs. See Figure 9.
3. Unscrew oil fill plug.
4. Add oil to overflow point, making sure to avoid spilling.
5. Screw oil fill plug back into oil fill hole. Tighten securely.
6. Wipe away any spilled oil.
C. Engine Stop Switch
Some are equipped with an Engine Stop Switch. This
rocker switch is used to shut off the ignition that supplies
the spark plug with power. Pressing the switch to the “OFF”
position will turn the engine off when it is running. This
switch must be in the “ON” position or the engine will not
start. See Figure 8.
Figure 8. Engine Components
1
2
3
789
Formula Compact Models
10
Formula Standard Models
7
9
8
6
4
5
3
1
2
10
1. Oil Fill Plug
2. Carburetor
3. Air Cleaner
4. Muffler
5. Muffler Guard
6. Optional Extended Oil Fill Cap
7. Spark Plug Cap
8. Fuel Fill Cap
9. Optional On/Off Switch
10.Starter Cord Handle
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