Chesapeake White SS 4" Tachometer with Hourmeter - 7,000 RPM (Gas - Outboard)
4" - Hole size: 3.375" (85mm)

Electronic tachometers work by counting pulses generated by the ingition system, alternator, tach signal generator or magnetic pickup sender. The tach is hooked up to +12VDC, Ground and one of hte signal sources listed above.

By selecting the right tach and setting the switch on the back to the correct postion you let the tachometer know how many pulses are sent per each engine revolution.

Benefits:

• Wide range of scales
• Multiple signal sources
• Rugged, Reliable construction
• 7 character LCD display
• 0-999999.9 Hours
• Updates in .1 increments

Installation Manual

View (pdf)

WARNING: This product can expose you to chemicals including Di-n-hexyl Phthalate, DnHP, which is known to the State of California to cause reproductive harm, and Vinyl Chloride which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.