Engine Oil Recommendation - Husqvarna W 100D Operator's Manual

MAINTENANCE
Clean / inspect the engine oil filter as follow:
1. Remove the oil filter retaining bolt.
2. Pull the oil filter cap out and remove the oil filter.
3. Clean the oil filter or replace if damaged.
4. Install the oil filter.
5. Make sure the oil filter cap is fully seated.
6. Install and tighten the oil filter retaining bolt.
ENGINE OIL RECOMMENDATION
Select the appropriate engine oil viscosity based on the ambient
temperature and use the SAE Service Grade Viscosity.
SAE 10W-30 is recommended for general use. Other viscosities shown
in the chart may be used when the average temperature in your area is
within the recommended range.
28