Push main switch to choke. With choke switch and engine warming buzzer. For use with either Command Link or convenational Yamaha rigging. Replacement Main Switch: 704-82510-07-00, Replacement Panel: 704-82571-02-00, Replacement Lanyard: 682-82556-00-00. This Yamaha Single Engine Key Switch applies to most Yamaha 2 and 4-stroke outboards. Supersedes 704-82570-11-00 & 704-82570-10-00