The Yamaha Multifunction tachometer works on 1994 and later 40-300hp and F25-F250 four stroke motors and will install in standard 3 3/8 diameter gauge hole in dash. The tachometer provides RPM reading, trim angle indicator, engine operating hours, overheat and oil warning indicators. It also has a trip meter based on the elapsed time engine has run on a trip and can be reset back to 0 when choose. Start the installation by setting dip switch’s in back of tachometer. Set switch 1, Trim Sender Type Set to “on” position if motor is 2001 or newer (2 lead wire trim sender). Set to “off” position if motor is between 1994 and 2000(3 lead wire trim sender). Set switch 2, Generator Type Set to “on” position if motor is a 2 stroke 40-70hp engine (6 pole). Set to “off” position if 2 stroke 90-300hp or 4 stroke 25-250hp engine (12 pole). Set switch 3, Engine Type Set to “on” position if it’s a 4 stoke engine. Set to “off” position if it’s a 2 stroke engine. Set switch in Speedometer as desired.

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