Mercury Racing — OptiMax 250XS

• Mercury Racing custom designed pistons and o-ring cylinder heads, with special combustion chambers.
• 3.0L (185 CID) powerhead delivers unmatched power, performance, durability and reliability.
• High performance cylinder liners, featuring race-derived transfer and exhaust ports with hand-ground boost ports, increase power and performance.
• High performance rubber coated reed blocks cushion five-petal, single-stage carbon fiber reeds for enhanced reed life without sacrificing performance.
• A unique two-stage direct-injection system atomizes fuel into small, uniform particles, resulting with a complete and instantaneous combustion.
• Injects the fuel/air mixture into the combustion chamber at 95 psi (15 psi higher fuel/air differential than standard DFI or OptiMax product) for enhanced high rpm running quality
• PCM 555 microprocessor provides maximum power and fuel economy.
• Comes standard with the SC1000 System Monitor and hardware that enables a single data cable to connect an assortment of SmartCraft System gauges for both single and multi-engine applications.
• SmartCraft SC1000 system monitor and optional system link gauges provide real-time, up-to-the-minute data, including fuel flow, fuel range, fuel used, RPM, water depth, trim angle, water pressure and battery voltage.
• The SmartCraft Engine Guardian system monitors engine functions for early indications of problems that could lead to engine damage.
• The 60-amp belt driven alternator is the most powerful in its class.
• Electronic multipoint lubrication system delivers precise amounts of oil where and when it's needed.
• Solid engine mounts improve engine response and overall boat performance at higher speeds.
• Torque Master and Sport Master gearcases feature a heavy-duty propshaft for enhanced durability.
• Torque Master and Fleet Master gearcases feature dual water pickups (mounted on the nose of the torpedo and strut) for improved cooling, enhancing engine durability and overall performance.

Propshaft Rated Horsepower (HP / kW): 250/187
Full Throttle RPM Range: 5000-5800
Cylinders: V-6 (60 degree vee)
Displacement (CID/cc): 185/3032
Bore & Stroke (in): 3.63/3.00
Bore & Stroke (mm): 92/76
Fuel Induction System: 2-Stage Direct Fuel Injection
Ignition System: Digital Inductive
Charging System: 60-amp (846 watt) w/Voltage Regulator
Gear Ratio: 1.75:1
Lubrication System: Electronic Multipoint
Recommended Oil: Mercury Premium Plus TC-W3
Fuel Requirements: 92 Octane (R+M)/2 Unleaded (98 RON)
Rotation: Left or Right Hand (FM), Right Hand (SM, TM)
Shaft Length (inches): 20, 25, or 30
Shaft Length (mm): 508, 635, or 762
Weight (lbs / kg): 505/229 (L (TM, SM)); 217/235 (XL (FM)); 534/242 (XXL (FM))
Warranty: One-year limited warranty for recreational boating and three-year limited corrosion warranty. One-year limited Mercury Product Protection Plan available.
SmartCraft: Yes
CARB Star Rating: 2

Please call us at 530-877-1766 for more information
regarding the Mercury Racing OptiMax 250XS.

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