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A one off RXT 300 tuned to Riva Stage 4. This ski will reach 85-90 MPH and accelerates like no other. It’s 0-60 MPH will blow any other ski out of the water.

We sold this ski new in 2018 and have looked after it and have done every upgrade since new.


The following are the upgrades this ski has had.

Stage 4 Riva tune.

Bosch VT 1100 injectors.

Valve retainer upgrade kit.

K&N supercharger air intake.

Fizzle super cooler with dedicated outlets and Fizzle pipe kit.

Riva pro series waterbox.

Riva rear exit exhaust.

Fizzle 142 supercharger wheel- only done 5 hours.

Catch can.

Rising rate fuel pressure regulator.

Exhaust spacer with O2 sensor.

Inlet manifold girdle and upgrade kit.

AFR and Pressure gauges.

Riva camshaft.

IPD graphic kit and Grip Gear seat cover.

 Recent full jet pump rebuild with new Solas 13/18 impellor and Solas stainless steel wear ring.

Early warning water intrusion alarm with 750GPH bilge pump.

Upgraded 70 Ltr fuel tank.


The ski has done 151 hours, which will go up as still being used.

We are advertising this ski on behalf of the owner who will deal with all specific enquires once you have contacted us.

2018 RXT 300 Riva Stage 4

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