Oil and Maintenance Guide for 2003 Yamaha Grizzly 660 660
Before You Service the Engine
To maintain your 2003 Yamaha Grizzly 660 660, use the correct lubricant and always double-check the level after refilling. Before you pull the drain plug, make sure you know the specific refill and level-check procedure for your machine, as a published capacity might not be the same amount required after a routine drain.
What oil filter is listed for a 2003 Yamaha Grizzly 660 660?
The oil filter catalog lists EAOM103-EA and EAOM103C-EA for this application.

