Mercury Racing 300R
Take the lead and never look back with the Mercury Racing 300R outboard. Featuring a rock-solid 15-inch HD Conventional MidSection (HD CMS), this adrenaline-pumping V8 powerhouse brings modern R-Series four-stroke technology to high-performance sport, flat sand bass boats. Whether you’re replacing a high-output two-stroke or building your new dream machine, experience the ultimate fusion of breathtaking speed and control.
Versatile Steering Setup
Choose from hydraulic or power steering, with optional rear tie-bar mounting plates and side steering brackets.
Premium Controls
Digital Throttle & Shift - smooth, effortless shifting and lightning-fast throttle response. Mechanical - full-feel controls for those who prefer traditional feedback and response.
Choose Your Configuration
Gearcase, control and steering options – plus the expertise of the Mercury Racing team – allow you to configure your 300R outboard for near-custom performance.
Characteristics
| Horsepower (HP/KW) | 300 / 224 |
|---|---|
| Full Throttle (RPM) | 5800-6400 RPM |
| Engine Type | V8 (32-valve, DOHC), Naturally Aspirated Four Stro- ke |
| Displacement (L/CID) | 4.6/279 |
| Fuel requirement | Unleaded Regular 87 Octane Minimum (R+M/2) or 95 R- ON, 10% Ethanol Maximum |
| Charging | 85 amp |
| Steering | Hydraulic or Power Compatible with side-steering a- nd aft tie bars |
| Mid Section | HD CMS |
| Shaft length | 15" / 381mm |
| Gearcase | Torque Master or Sport Master |
| Gear Ratio | Torque Master: 1.75 Sport Master: 1.60 or 1.75 |
| Dry Weight (LB/KG) | 545 / 247 |