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What is the range of a new SX190 running at a slow speed

The 240/242 connext shows the % fuel - that is nonlinear/not accurate - and the gallons used, per each engine and together - that is accurate.
Random pic, not mine. I always reset the gauge when refueling - push and hold reset in the screen for 3+ sec.
yamaha_212x_connext_2017.jpg
 
This is what mine shows. It also shows current GPH, total gallons and total miles.

Percentage was at 48% when I filled up and it took right at 20 gallons to fill up. It also immediately went back to 100% without me having to reset anything.
 
The picture would help...A909E6D3-FDC7-415C-A54B-C22971437B36.jpeg
 
With the 2019 I have the Connext screen which show the percentage, is that what you a referring to being spot on?

I have only had to fill up once so far and it took exactly what I estimated based on that percentage, so I am assuming it is pretty close to accurate.
Will be interesting to see if the gauge readings are linear int he 2019 190s. Looks like the fuel sender part is different for the 2019 190 vs. the older 190s and 240s which use the same part. The position of the sender may also make a difference, especially with the larger tank in the 2019 190. The sender is located further aft int he 240s, in general, which may account for at least some of the on/off plane behavior.

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I have filled mine 4 times so far. Its been cold in charlotte but finally i have a use for my winter jacket. My guage is always accurate as well. When i stop for gas i always know exactly how much it will take.
 
Sounds good. Thanks for the detail. That is the area around Cayo Costa and back to Saint James City area which would be less. I was thinking it would be fun to run along the coast and go down to the 10,000 islands area. Would have to stop along the way for some fuel but there plenty of places looks like. I wonder if anyone has made that trip all on the water staying close to the shore and could pull in and camp along the way. I know there are picnic sites you can get a ticket to stay at them in the everglades area off the net. Would be a cool trip.
Exploring along the coast would fun.
 
2018? I thought they only had a 30 gallon tank?
After taking my boat out today I removed the carpets and everything to removed the fuel tank hatch. Here’s a picture of the label on the fuel tank this is a 2018 sx190.
 

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That is good to hear and what is the fuel tank size on the 2019 model.
 
We have to have someone with a 2019 look at the fuel tank lable. Is anyone willing to pull the hatch on there 19 to look at the lable?
 
I didn't venture out much last year tracking fuel usage. In the Delaware river between 5700-6300 was a pretty sweet running spot going with the current. 65-6800 if running against the current would get some pretty good fuel economy.
 
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