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Mwingo3
12-24-2025, 10:54 PM
Is there anyone here that can give me information on a 2002 Merc 250 XB PRO. I’m looking to purchase diagnostic scan tool and want to make sure I get the right one and the correct software and cables. Every time I look it up and put in (XB) the search directs me to the XS as in optimax. I am interested in the techmate, but I’d like to be sure before I buy. I would also like to get engine data up on my humminbird helix. This motor is not smartcraft capable, but through my research I’ve heard that there is a way to convert the signals to work.
Thanks much and any information would help.

108
12-24-2025, 11:43 PM
Rinda Techmate will do the job fine.

Mwingo3
12-26-2025, 01:04 PM
Rinda Techmate will do the job fine.

do you know the correct cable # I would need for my engine. It is the early model style 250 pro Xb with the duel throttle plates. And does not have smart gauge capability.

108
12-26-2025, 01:36 PM
If it's a twin box set up

https://www.rinda.com/rindashop/?sfid=154&_sft_manufacturer=mercury&_sft_year=1999&_sft_engine_type=outboard&_sft_engine_model=250hp-2-stroke-efi

Mwingo3
12-28-2025, 12:02 PM
Thanks much 108! You are exactly correct. I checked my engine diag connector and it is the four pin square. Looks like I’m back to searching for a Rinda Techmate! Much appreciated!