SEA DOO · MSE 3.7 ECU · petrol

SEA DOO RXP MSE 3.7 tuning files

The SEA DOO RXP on the MSE 3.7, mapped from stock file to finished result. The matched variants sit between 215 and 255 HP from the factory. There are 8 distinct variants on file for this combination. Petrol calibration here is about crisp response and a result that holds up day to day. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All RXP coverage

Available solutions

Applicable work for the MSE 3.7 on this petrol. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2 Swirl Flaps OffLambda / O2OPF/GPF Off

Engine variants & ECU software

8 distinct variants for the SEA DOO RXP on the MSE 3.7 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1500 255HP
Engine code: ROTAX 4-TEC
Generation: 2009-
Matched gains engine: 1.5 Comp RXP-X
Controller brand: SIEMENS
ECU: MSE 3.7
Stock power: 255 HP
Stage 1 power: 285 HP
Power increase: +30 HP (+12%)
ECU SW: 800_4Vx
ECU HW: 5WP2 2452
Calibration: 800

Variant 2

ECU

Catalog engine: 1500 255HP
Generation: 2009-
Matched gains engine: 1.5 Comp RXP-X
Controller brand: SIEMENS
ECU: MSE 3.7
Stock power: 255 HP
Stage 1 power: 285 HP
Power increase: +30 HP (+12%)
Calibration: H3JD01

Variant 3

ECU

Catalog engine: 1500 215HP
Controller brand: SIEMENS
ECU: MSE 3.7
Stock power: 215 HP

Variant 4

ECU

Catalog engine: 1500 215HP
Engine code: ROTAX 4-TEC
Controller brand: SIEMENS
ECU: MSE 3.7
Stock power: 215 HP
ECU SW: 59878_SBOAT
ECU HW: 412.252 001/021
SW upgrade: 03092
Calibration: 59878

Variant 5

ECU

Catalog engine: 1500 215HP
Engine code: ROTAX 4-TEC
Controller brand: SIEMENS
ECU: MSE 3.7
Stock power: 215 HP
ECU SW: 6897998_179C
ECU HW: 412.252 001/021
Calibration: 6897998

Variant 6

ECU

Catalog engine: 1500 215HP
Controller brand: SIEMENS
ECU: MSE 3.7
Stock power: 215 HP
ECU SW: 6257653_176B
ECU HW: 5WP2 2452
Calibration: 6257653

Variant 7

ECU

Catalog engine: 1500 215HP
Engine code: ROTAX 4-TEC
Controller brand: SIEMENS
ECU: MSE 3.7
Stock power: 215 HP
ECU HW: 5WP2 2452
Calibration: VD3J872

Variant 8

ECU

Catalog engine: 1500 215HP
Engine code: ROTAX 4-TEC
Controller brand: SIEMENS
ECU: MSE 3.7
Stock power: 215 HP
ECU SW: 6576238_177B
ECU HW: 5WP2 2452
Calibration: 6576238

Related vehicles

Other vehicles built on the MSE 3.7 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the SEA DOO RXP on the MSE 3.7?

Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.

Do you cover the MSE 3.7 ECU software on this model?

Yes — the SEA DOO RXP on the MSE 3.7 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.