Oil and Maintenance Guide for 1999 Yamaha Grizzly 600
Before You Service the Engine
For the 1999 Yamaha Grizzly 600, planning an engine service involves checking the correct lubricant application and following the proper refill procedure. Before removing the drain plug, identify the correct refill and level-check procedure; a published capacity does not necessarily equal the amount needed after a routine drain.
How much oil does a 1999 Yamaha Grizzly 600 take?
The available engine-oil capacity figure is 2.75 quarts. The amount added during a routine drain may differ from the listed capacity; use the correct level-check procedure when refilling.
What does 10W-40 mean on an engine-oil label?
The number before W describes the oil’s cold-temperature viscosity classification, while the second number describes its viscosity at operating temperature. The grade does not, by itself, establish whether the oil meets all the requirements for an ATV engine.

