1. Place the generator on a level surface and warm
up the engine for several minutes.
Then stop the engine.
2. Remove the screws, and then pull outward on the
areas of rear cover shown.
1 Screws
2 Rear cover
3. Remove the rubber cap, rubber plug and the oil
filler cap.
3 Rubber cap
4 Rubber plug
5 Oil filler cap
6 Oil drain bolt
7 Gasket
8 O-ring
4. Place an oil pan under the engine. Remove the oil
drain bolt so that the oil can be completely
drained.
5. Check the oil drain bolt, gasket, oil filler cap and
O-ring. Replace them if damaged.
– 31 –
1
2
788-7CKb
Engine oil replacement
Avoid draining the engine oil immediately after
stopping the engine. The oil is hot and should be
handled with care to avoid burns.
Carburetor adjustment
The carburetor is a vital part of the engine. Adjusting
should be left to a Yamaha dealer with the profession-
al knowledge, specialized data, and equipment to do
so properly.
7CK-28199-12_b 11.3.21 13:47 Page 31
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