Mercury 300HP 300CXL DTS Counter Rotation Outboard – 25″ Shaft
Featuring 300 horsepower, DTS controls, counter-rotation, and a 25-inch shaft, the Mercury 300CXL DTS supports precise operation on compatible twin-engine boats. Digital throttle and shift improves command response, while counter-rotation helps balance thrust during acceleration and maneuvering.
Description
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Mercury 300HP 300CXL DTS Counter Rotation Specs
| Brand | Mercury Marine |
| Full Model Code / Part Number | 300CXL DTS (Counter Rotation / 25" Shaft) |
| Country of Origin | USA |
| Engine Type & Configuration | 4-Stroke Inline 6 (Supercharged with Verado SmartCraft) |
| Horsepower Output (HP / kW) | 300 HP (221 kW) |
| Displacement (cc / cu in) | 2600 cc (158 cu in) |
| Bore x Stroke (mm / in) | 82.0 x 82.0 mm (3.23 x 3.23 in) |
| Maximum RPM Range (Full Throttle Operating Range) | 5800 - 6400 RPM |
| Fuel Induction System | Sequential Multi-Port Electronic Fuel Injection (EFI) with Supercharger |
| Ignition System | SmartCraft ECM 0d Digital Inductive |
| Starting System | Electric Start with SmartStart Push Button |
| Steering System | Electro-Hydraulic Power Steering |
| Trim & Tilt System | Smart Craft Power Trim and Tilt |
| Gear Ratio & Shift Mechanism | 1.85:1 (Counter Rotation / Forward - Neutral - Reverse) |
| Exhaust System | Through Propeller |
| Recommended Transom Shaft Length | XL: 25 inches |
| Alternator / Charging Output (Amps / Watts) | 70 Amp (Idle Charge Battery Management System) / 882 Watts |
| Recommended Fuel Grade & Oil Type | Regular Unleaded (Min. 87 Octane) / Mercury 4-Stroke Outboard Oil NMMA FC-W 25W-40 |
| Dry Weight (kg / lbs) | 272 kg / 600 lbs |
| Standard Warranty | 3 Years Limited Recreational Warranty |
Common Question of Mercury 300CXL DTS
Is the 300CXL DTS counter rotating?
Yes. The Mercury 300CXL DTS is specified with counter rotation, Digital Throttle and Shift, and a 25-inch shaft. Its counter rotating lower unit is intended for compatible paired-engine applications. Confirm propeller selection, engine pairing, electronic controls, wiring, steering, battery capacity, and boat compatibility before installing this high performance outboard motor.
What does DTS mean?
DTS means Digital Throttle and Shift. Electronic commands manage compatible throttle and gear-selection functions, requiring matching controls, harnesses, gauges, battery capacity, steering components, and correct rigging. Verify the complete system before installation because ordinary mechanical cables may not provide the intended engine interface.
What shaft length does it use?
The shaft length is 25 inches, intended for a matching tall transom. Measure the hull according to Mercury’s instructions before mounting. Correct shaft positioning supports cooling-water pickup, gearcase clearance, propeller immersion, steering response, and balanced twin-engine operation. Proper measurement supports this ready to bolt marine package.
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