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I have a 2021 Supra SA 450. Other than replacement impellers in the 6 ballast pumps each year, I've had no issues with the ballast system until the last couple weeks, when I started getting PDM...

very cool... that's some serious displacement going on with that SA 550. FYI, they posted their surf settings on their Instagram stories, summary is:

Regular side surf setting: Autowake off,...

Nettles is out of stock, I called. I opted for the #3591 and the wait, should be interesting to see the difference, and now I'll have a backup prop as well :)

ACME makes two 16 x 13.9 props, only difference appears to be cup:

#3557 which has a cup of .075"
#3591 which has a cup of .105"

The #3591 is backordered about 3 weeks right now, #3557 is...

Some really good info in this thread. I knew nothing about boats, let alone props before purchasing my 2021 SA 450... I just looked and I'm running a 16 x 17 prop, which is what my dealer must have...

On the day we were having trouble getting the boat to maintain autowake desired speed, there was both a stronger than normal current and higher than normal wind. This was on Lake Mead and we usually...

Breaking lose two objects that are connected with a tapered surface is no joke, whether its a ball joint on a car, generator rotors on the end of motorcycle crankshafts, or a boat prop. ...

I'm going to gather more details on my next outing, but I think that was true, upwind it struggled to maintain correct speed, downwind not at all. I also think I didn't have any issues at all with...

I have a 2021 Supra SA (no bow thruster). No electrical issues for me, I have had two instances of a surf plate actuator apparently sticking in the down position, both times, I was able to get it...

I'm running a 2021 SA 450; All of Wake9's Supra Info on youtube is *gold*, start there.

My goofy side wave was much easier to get dialed in, so I would also start on that side :-) it was...

Well, good to their word, they got it done Friday night, and I picked it up today (Saturday) and will have it out on the water tomorrow. Every business in every industry messes up, sets wrong...

So, I call my nearest dealership to schedule my first service on my 2021 Supra SA 450, they are backed up a bit so I get a date 2 weeks out on Feb 4. It's a 2.5 hour drive for me, so I drop the boat...