Apex Tuning/Dyno Results/Seadoo 300 GTX · 297 kW
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Stage 3Motec

Seadoo 300 GTX

Tuned · 27 Apr 22
Bay 02 · Mainline AWD
[ On the dyno ]Seadoo 300 GTX — On the dyno
[ Engine bay ]
ROTAX
[ Dyno screen ]
297
— Vehicle details

Spec sheet.

Model300 GTX
Yeartpa4y8y1zajvsrr6orqpi3uc
EngineROTAX
Fuel98 RON · E85 · Flex Fuel
ECUMotec
DrivetrainJetski
— Notes from the tuner

What we did.

Stock engine with the Garret G25-550 turbocharger. At first we utilised the oem engine management, then utilised the Motec engine management unit to utilise the flex fuel functions. The fuel system utilises Bosch 980cc and walbro fuel pump.

The power & torque outputs were calculated as the engine was not fitted to any type of dynameter.

Anton Krstic · Lead tuner · Bay 02
Stage 3 tune

Power & torque · stock vs tuned.

Hubs · SAE J1349 · Median of 3 pulls
Power
Stock
223kW
Tuned
297kW
+74 kW (99 hp) at the hubs+33%
Torque
Stock
255Nm
Tuned
380Nm
+125 Nm (92 lb·ft) at the hubs+49%
— Hardware

Modifications.

7 categories · Stage 3 build
  • ·Intake
  • ·Exhaust
  • ·Down Pipe
  • ·Fuel System Upgrade
  • ·Engine Components
  • ·Turbocharger
  • ·Headers
— Calibration

ECU improvements.

Motec
  • ·Improved Power
  • ·Improved Torque
  • ·Increased Throttle Response
— Your build, next on the dyno

What does yours make?