How-To" Maintenance; Inspecting The Spark Plug; Engine Oil Change - Yamaha EH64 Manual Del Propietário

9. "HOW-TO" MAINTENANCE

0.7 to 0.8 mm
(0.03 in)
Oil drain plug
(On both sides)
Oil filler cap
– 17 –
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 :
0.7 mm to 0.8 mm (0.03 in)
■ Use a proper spark plug :
BPR5ES (NGK)

ENGINE OIL CHANGE

■ Initial oil change
After 20 hours of operation
9 9 9 9
■ Thereafter
Every 100 hours of operation
9 9 9 9
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.
Engine oil quantity:
1.55 L (0.41 US qt)