OptiMax 200 ROS


The OptiMax 200XS ROS (Race Offshore) features a 2,5 Liter OptiMax powerhead mounted on a race-proven 15″ mid section. The 200XS ROS is the official power of U.I.M. Class 3C offshore racing, a highly competitive single engine mono hull offshore racing class which competes throughout Europe




World Champ

Reigning champ of UIM Class 3 C and 6-litre offshore racing.



The 200XS ROS has established a new benchmark in durability stretching the rebuild schedule from every race to multiple races or up to 25 hours prior to inspection


Power to Weight

Compact 2.5 Liter V-6 powerhead spins 7000 rpm for unmatched acceleration and top-end speed.



Sand cast 15" mid-section with heavy-duty single ram swivel clamp bracket assembly was designed for the abuse that is comes in the harsh duty cycles of offshore racing.



Sport Master gearcase, featuring an efficient housing packed with heavy-duty, race-proven components, is designed to run at 27" to 30" transom heights for maximum efficiency and performance.




Propshaft Rated HP 200 (149kW)
Peak Horespower @ RPM 6500-7000
Cylinders V-6 (60º vee)
Displacement 153 cu. in. (2507cc)
Bore 3.50" (89 mm)
Stroke 2.65" (67 mm)
Induction System Direct Fuel Injection
Ignition PCM Digital Inductive
Alternator System Belt-driven 60 amp (846 watt) w/Voltage Regulator
Gear Ratio 1.75:1 Sport Master
Fuel/Oil Ratio Electronic Multipoint
Recommended Oi Mercury Racing 2-Stroke Oil
Required Fuel 91 Octane (R+M)/2 (98 RON)
Rotation Right Hand
Shaft Length 15" (381 mm)
Weight 434 lbs. (197 kg)

The engines will be produced only in the short shaft "SS" 15-inch drive shaft configuration with the 1.75:1 Sport Master gearcase. Models are intended for single or twin engine installations. Right-hand rotation models feature a Sport Master gearcase with a cambered skeg – a natural for single-engine applications such as outboard drag racing.

Suitable for:

  • Outboard Drag Racing
  • Catamaran Offshore Racing
  • Vee-Bottom Offshore Racing





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