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Q:Will it wire to a 40 horse Yamaha electrical system?Asked on 9/5/2010 by Bucky from Hoboken Ga
A:This gauge will work on all motors that do not have a 20 pole alternator.Answered on 9/24/2010 by Anonymous
Q:Does the RPM gauge work on two strokes as well as 4 strokes. I have a 1987 Merc 35 HP two cyl two stroke and is thee a wire harness with it.Asked on 3/22/2010 by Dan from St paul
A:Mercury 30-40 hp (2cylinder) engines require a module to work with the tach. That mercury part number is 17461A2.Answered on 3/25/2010 by Bryant from Tech
Q:what size hole saw do i use to dash mount your pro series lido gauges. tack' tilt/trim and a water pressure unitAsked on 11/7/2009 by fish2547 from union city tn
A:The Tilt and Trim and the water pressure gauges are 2" diameter. Requires a 2.16" hole.
The Tach is 3" diameter. Requires a 3.44" hole.Answered on 11/16/2009 by Chad @ Overton's from Greenville, NC