SeaDoo SPARK 2022 Series - Fluids

136
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Engine
Type
Rotax 903
Model
Rotax 900 ACE - 60
Rotax 900 ACE - 90
4-stroke, Double Over Head
Camshaft (DOHC), dry sump,
liquid cooled
Declared Power
(1)
Rotax 900 ACE - 60
44.13 kW @ 7000 RPM
Rotax 900 ACE - 90
66.19 kW @ 8000 RPM
Induction
Naturally-aspirated
Number of cylinders
3
Number of valves
12 valves (self adjusting
hydraulic valve lifters)
Bore
74 mm
(2.9 in)
Stroke
69.7 mm
(2.7 in)
Displacement
899.31 cm³
(54.88 in³)
Compression ratio
11.0:1
Cooling System
Type
Closed-loop cooling system
(CLCS)
Fuel System
Fuel injection type
Multipoint fuel injection with
iTC (intelligent Throttle
Control). Single throttle body
(46 mm) with actuator
Electrical System
Ignition
IDI (inductive discharge
ignition)
Spark plug
Make and type
NGK CR8EB or equivalent
Gap
0.70 to 0.80 mm
(.028 to .031 in)