What guages work with 2008 90Hp 4 stroke

Reboot11133

Reboot11133

Seaman
Joined
Nov 11, 2007
Messages
74
I am having an almost new 90Hp Merc 4 stroke mounted on my older Bayliner and was wondering what type of guages are compatible with this engine. It does come with a tach but it is an analogue unit not a smart craft. Do I need adaptors for smart guages? Can I direct wire in Trim guage and temp etc?
 
Silvertip

Silvertip

Supreme Mariner
Joined
Sep 22, 2003
Messages
28,762
Re: What guages work with 2008 90Hp 4 stroke

Fuel: Boat related - No change necessary.
Speedo: Boat related - no change necessary.
Temp: Engine related - needs appropriate engine sender or factory gauge.
Water Pressure: Engine related - pressure tube connection on engine
Oil Pressure: Engine related - need sender on engine or factory gauge
Trim: Engine related - engine must have sender.
Volts: Boat related - no change necessary
Tach: Engine related - connects to engine harness or use factory tach. Check with dealer.

The installer should make all of these connections for you or suggest what you need to make everything work.
 
Reboot11133

Reboot11133

Seaman
Joined
Nov 11, 2007
Messages
74
Re: What guages work with 2008 90Hp 4 stroke

Thanks for the reply. I was given the option to get the smart tach but went with the cheaper one (motor poor). If the smart tach was an option would the sender units already be in place on the motor? Apparently the smart tach gives oil pressure, temp and trim along with the tach. The salesman also told me that the speedo sender is built in to the motor as well.
 
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