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I also suggest you start another thread on your topic at this site www.etecownersgroup.com

note: to share the engine reports there, you will need to use a file / photo sharing site like...

Yes the wot range is spec’d at 5400 to 6000. But experience has shown that hp peak was in the mid point with hp starting to fall off around 5800. So any more rpm is less hp and more fuel and no speed...

Lots of things going on here.
you have an overheat condition. May need to service the impeller.
you have a water in fuel warning. Check the on engine fuel filter for water, replace it and recheck...

Sorry to offend. Good luck

This is not the recommended start procedure.
1) pump primer bulb till firm
2) engage the neutral only operation and advance the throttle slightly.
3) turn key to on, press key in and hold in ,...

Yes. Wire not cord

See post #2. It’s a much better diagram...

I predict it’s time to run a full and overnight dose of Evinrude engine tuner to decarb/loosen the piston rings and piston domes. Get the can that has the injector hose and inject thru the Schroeder...

I missed that this was a G2. Knowing this, I suspect the water injection solenoid may be at issue. It’s not activating thus causing a hesitation on acceleration.

If you are hitting 5900 to 6000...

No C / grey is the tach signal input.
as post #4 jump power for additional gauges from the purple wire or from the purple wire on the back of the Tach.
what are you trying to accomplish here? Where...

When was the last time you treated this crossflow engine to a dose of engine tuner?

Can we presume this condition is new? Or has it been this way since the beginning?
What is your wot rpm?

Yes the model number indicated the high output version, by the H
Evinrude, 225 hp, Ficht, high output, 20in shaft, 2004

The S terminal

The spark plugs have an issue in the past where a custom “pad” on the ground electrode fall off and the plugs foul.
the proper proper plug with the a at end do not require indexing.
Do a search on...

Purple is switched B+ to turn on the tach and gray is the signal input. Most other gauges jumper power from the purple wire.

Please clarify your question. Are you Asking about a wireless tachometer, fuel flow?.. the title and question don’t match.

It too bad you continue to argue on printed material vs real life expertise and what has been recommended by OMC in service seminars shortly after this model was released. I was there. Let’s not...

I’ll betcha it’s a cross flow. Especially with that spark plug recommendation. The first 120 and 140 hp as loopers got introduced in 1985.

No there is not.

Perform a search here on your topic and you will have your answer several times over. Evinrude xd100 will be around for a long time. it’s in their best interest to keep it.
many other people are...

Keep dreaming. It’s not true.

Go here https://www.crowleymarine.com/parts/110684.cfm
search for tech series water pressure gauge

No I do not work there but I have been there at times in the past.

no. If grounded the engine cannot crank over and will blow a fuse