Rotax Engine Specs & Information

Some people may be confused by the way Sea Doo refers to their engines. On my site, I refer to particular engines by the Rotax model (587,657,717,787,947). That doesn’t correspond to CCs although close. Below you’ll find corresponding CCs for the model if you were wondering what you have or what I’m talking about.


Rotax Model Bore (mm) Stroke (mm) Displacement (cc)
587
76.00
64.00
580.70
657
78.00
68.00
650.00
717
82.00
68.00
718.20
787
82.00
74.00
781.60
787X
82.25
74.00
786.00
947
88.00
78.20
951.20
1503
100.00
63.40
1493.80


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