Engine Specs

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'Rotax 4-TECŪ 1503 Engine' specifications

Brand: BRP-Rotax GmbH & Co. KG (Made in Austria)
Style: 1503 4-TEC
Type: 4-stroke, 3-cylinders (Single Over Head Camshaft)
Valves: 12 valves with hydraulic lifters
Displacement: 1,493.8 cc  (91 cu. in)
Compression: 10.6:1
Max Power: 155 hp @ 7,300 rpm
Bore: 3 x 100 mm
Stroke: 63.4 mm
Motor Number: M6225602
Manufactured: December 2004
Hours: 15 hours (as at September 2007)
Engine: Rotax 4-TECŪ 1503, 4-stroke, 3-cylinders, 1,494 cc
Lubrication Dry Sump Pump (with replaceable oil filter)
Oil Filter: Rotax
Exhaust: Dual Muffler
Exhaust system: Water cooled, water injected with regulator
Starting system:: Electric
Oil Capacity: 3.0l oil change w/filter,  4.5l total
Serviced: at 10hrs, August 2006, U.S.A.
at 15hrs, September 2007
, Boyz Toyz, Wellington, NZ
Magneto Generator: 30 amp / 360W @ 6000 rpm
Ignition: Digital Induction
Spark Plug: NGK DCPR8E,  Gap: 0.75mm (0.030in)
Battery Charging Coil: 0.1 - 1.0 Ohm
Ignition Coils: 3, Stick coils
Engine RPM limiter: 7650 rpm
Battery: 12V 30Ah Electric with Digitally Encoded Security System (D.E.S.S.)
Fuses: 1 x 3A, 2 x 5A, 5 x 10A, 3 x 30A
Fuel injection: Multi-port sequential (MPI Fuel injection)
Fuel: Regular unleaded gasoline - Minimum 91 RON/Octane
Fuel Capacity: 79.5l (including reserve)
Engine: Liquid cooled, closed loop
Coolant: Ethylene-glycol 50%/50% antifreeze/water-coolant
(with corrosion inhibitors for aluminium engines)
Exhaust: Water-cooled, open loop
Coolant Capacity: 5.5l total
Drive Type: Jet Drive
Jet Pump: 6 1/8 in. (15.56 cm) Formula Venturi, large hub pump
Propulsion System: Bombardier Formula pump
Jet pump type: Axial flow, single stage.  Greased bearings
Transmission: Direct drive
Grease: Sea-Doo grease (P/N 293 550 032)
Steering nozzle: 26 degree pivot angle
Impeller: Stainless steel, Progressive Pitch
Intake Grate: Fixed Aluminium intake
Minimum Water Level: 90 cm (3 ft)