2015 RXT-X Stock Rev Limit

[15RXTX]

I have read that the stock rpm limiter on 260's is 8040.

I recently purchased a 2015 RXT-X with 50 hours, all stock I am told. No SCOM to be seen.

Reset the max rpm limiter and performed a few runs and this is whats indicated.

Is this possible with a stock ski? I was thinking "if" the ski came out of the water the motor could potentially over rev some?

On a side note, I would like to purchase a new SCOM if anyone has one for sale.

[prowler1k]

Yes. Pump coming unhooked will cause the rpms to spike over the rev limit.

Don't waste time with SCOM, you'll regret it in the long run. If you don't want to spend big $ at least get your ecu flashed with a mail-in upgrade, or go with Maptuner. Because eventually, you'll want to go faster.

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[15RXTX]

Thats what I was thinking, thanks for the reply prowler1k.

If I can get to 72-73 with a SCOM and some bolt ons I "think" I will be happy with that. I really do not want to go with a higher than factory rev limit to maintain reliability.

I will look into an ECU flash in the meantime.

[connorrxp]

That's normal, it's alright to be on the factory limiter and as it gets colder out you'll spin higher rpm, 8350 is still safe on a tune with factory retainers, the engine will rev past that when you come unhooked but will still be safe

[canuck]

I have the Maptuner X with the 8350 tune and a Solas 15/20 that will get me 73 maybe 74mph on a cool day. I did titanium retainers and upgraded flywheel bolts as insurance the rest of the ski is bone stock. The SCOM does not get good reviews on the 260 models as always YMMV.

[15RXTX]

Don't I need a PC based laptop to run Maptuner ? Currently I have a MacPro and MacBook Pro.

[Tbranella]

Thats what I was thinking, thanks for the reply prowler1k.

If I can get to 72-73 with a SCOM and some bolt ons I "think" I will be happy with that. I really do not want to go with a higher than factory rev limit to maintain reliability.

I will look into an ECU flash in the meantime.

on a 260, a SCOM and 15/20 impeller will get you about 74mph..
but you must have both, SCOM alone won't get you any gains.

an 8350 flash and 15/19R impeller will get you about 76mph.. and better acceleration.

[Tbranella]

I have the Maptuner X with the 8350 tune and a Solas 15/20 that will get me 73 maybe 74mph on a cool day. I did titanium retainers and upgraded flywheel bolts as insurance the rest of the ski is bone stock. The SCOM does not get good reviews on the 260 models as always YMMV.

at what RPM did you get that speed? you should have a 15/19R... and possibly depitch it depending on your RPM's

here's my 2013 RXT-X 260

[connorrxp]

Yes you need windows to run it, I tried using virtual box on my mac and it works but it's slow. Now I just use reflashes, crt specifically. Maptuner x is great but requires a lot of stuff. I cant say one or the other is better cuz I get the same speed numbers but I do like how crt has the throttle calibrated

[canuck]

at what RPM did you get that speed? you should have a 15/19R... and possibly depitch it depending on your RPM's

here's my 2013 RXT-X 260

I think it was just under 8300rpm it's been a while since I have focused on speed runs. My speed numbers are from a Garmin GPS not the dash display which is optimistic by a few mph.