Engine Oil And Oil Filter Cartridge - Yamaha GRIZZLY 450 YFM450DF Owner's Manual

1. Spark plug gap
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
8
To install the spark plug
1. Clean the surface of the spark plug gasket
and its mating surface, and then wipe off any
grime from the spark plug threads.
2. Install the spark plug with the spark plug
wrench, and then tighten it to the specified
torque.
Tightening torque:
Spark plug:
18 Nm (1.8 m·kgf, 13 ft·lbf)
TIP
If a torque wrench is not available when installing
the spark plug, a good estimate of the correct
torque is 1/4–1/2 turn past finger tight. However,
the spark plug should be tightened to the speci-
fied torque as soon as possible.
3. Install the spark plug cap.
4. Install the panel.
EBU30241

Engine oil and oil filter cartridge

The engine oil level should be checked before
each ride. In addition, the oil must be changed and
the oil filter cartridge replaced at the intervals
specified in the periodic maintenance and lubrica-
tion chart.
To check the engine oil level
1. Place the ATV on a level surface.
2. Remove panel E. (See page 8-10.)
3. Check the engine oil level on a cold engine.
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