Speedo is off by 4mph vs GPS- Can I calibrate it?

[Wake Havasu]

My speed is off by 4mph on my speedo. It’s a 24ve .

What type of speedo is it? Do they offer a website pdf manual?

Is this something I can resolve?

[lee]

Yes, your speedo can be adjusted. I believe Matt has the manuals available for download on this site if you boat did not come with them.


Download Here

[wrangler]

Les...once you read the manual and do it, it's pretty simple. I calibrated ours with GPS and got it to be very close. Watching the GPS and the speedo, it might be one MPH give or take off around 30, but between 18 to 22 where the kids board, it seems to be right on... good luck...