Yamaha Ultramatic GRIZZLY 660 Owner's Manual page 128

NOTE:
_
Wait a few minutes until the oil level settles
before checking.
_
6. The oil level should be between the max-
imum and minimum marks. If the level is
low, fill the engine with sufficient oil to
reach the specified level.
1. Maximum level mark 2. Minimum level mark
Engine oil and oil filter cartridge replace-
ment
1. Remove panels E and F. (See page 8-11
for panel removal and installation proce-
dures.)
2. Warm up the engine for several minutes.
3. Stop the engine. Place an oil pan under
the engine to collect the used oil, and
then remove the engine oil filler cap.
4. Remove the drain bolt and drain the oil.
1. Engine oil drain bolt
8-13