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Regular Maintenance
Engine Oil Type & Capacity
Select a quality engine oil using the chart in Figure 10.
5.5 HP models require 5/8 quart (0.6L) of oil. 8HP
models require 7/8 quart (0.8L) of oil.
Check Engine Oil Level
Service Interval: Before Each Use
Check the engine oil level at the oil fill and level check
plug (A, Figure 11).
1. Stop the engine and wait for all moving parts to stop.
2. Remove the oil fill and level check plug (A, Figure 11)
by twisting it counter-clockwise. The oil should be
filled up to the mouth of the filler opening as shown in
the Figure 11 inset.
Change Engine Oil
Service Interval: Every 50 Hours
1. Stop the engine and wait for all moving parts to stop.
Allow the unit to cool before changing the oil.
2. Remove the oil fill and level check plug (A, Figure 11)
by twisting it counter-clockwise.
3. Place an oil drain pan below the engine and remove
the oil drain plug (B, Figure 11). Allow the oil to drain
completely.
4. Reinstall the oil drain plug (B). Tighten the plug to
125 inch pounds (14 Nm)
5. Add oil to the oil fill hole (A) until the oil level is even
with the bottom edge of the oil fill hole (Figure 11
inset).
B
A
Figure 11. Oil Fill and Oil Drain
A. Oil Fill & Level Check Plug
B. Oil Drain Plug
Use oil classified API Service Class SF,
SG, SH, SJ or better with SAE Viscosity:
10080604020 320-20
3827164-7
0-18-30
˚F
˚C
30 Conventional**
5W-30, 10W-30 Synthetic
5W-30
10W-30
Conventional*
*CAUTION: Air cooled engines run hotter than automotive engines.
The use of non-synthetic multi-viscosity oils (5W-30, 10W-30, etc.)
in temperatures above 40º F (4ºC) will result in higher than normal
oil consumption. When using a multi-viscosity oil, check oil level
more frequently.
**CAUTION: SAE 30 oil, if used below 40º F (4ºC), will result in hard
starting and possible engine bore damage due to inadequate
lubrication.
Figure 10. Oil Recommendations