Subaru Robin EH72 FI - Manual (Page 22)

9. "HOW-TO" MAINTENANCE
16
ENGLISH
INSPECTING THE SPARK
PLUG
Clean off carbon deposits on the
spark plug electrode using a plug
cleaner or wire brush.
Check electrode gap.
Adjust gap to :
0.7mm to 0.8mm (0.03 inches)
Use a proper spark plug :
BPR5ES (NGK) or BPR4EY (NGK)
ENGINE OIL CHANGE
Initial oil change
After 20 hours of operation
Thereafter
Every 100 hours of operation
1. When changing oil, stop the engine
and loosen the drain plug.
2. Re install the drain plug before
refilling oil.
3. Refer to the recommended oil table.
(See Section 3 Pre-operation Checks)
4. Always use the best grade and clean
oil. Contaminated oil, poor quality oil
and shortage of oil cause damage to
engine or shorten the engine life.
OIL CAPACITY : 1.55 liter
0.7 to 0.8 mm
(0.03 in)
Oil drain plug
(On both sides)