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Tech Articles > Mercruiser Product Specifications > Mercruiser Bravo 1XR Sterndrive Specifications
| Maximum Power Capacity |
600 HP (447 kW) |
| Lower Unit Design |
Performance Torpedo |
| Maximum Propeller Diameter |
1 X 16" |
| Water Inlet Location |
DWP - Torpedo and Strut or LWP Option |
| Clutch Type |
High-Strength Smooth-Shift Cone Clutch with F-N-R |
| Available Gear Ratios |
1.26, 1.35, 1.50:1 |
| Counter-Rotation |
Standard |
| Upper Unit Gear Set |
Precision Shimmed Assembly with Net Forged Bevel Gears, Steel Chimney Bearing Supports, Reinforced Ribbed Top Cap, Heavy-Duty Caged Roller Bearing |
| Lower Unit Gear Set |
Precision Shimmed Assembly Forged Bevel Gears with Anodized Billet Bearing Carrier or Twin Counter Rotating Propshafts for Bravo Three |
| Propshaft Material |
Heat-Treated Stainless Steel � Larger 1.25� Shaft for Bravo One |
| Standard Exhaust Outlet |
Low-Restriction Through Transom or Through Propeller |
| Required Propeller Hub |
HD Solid Hub for 1.25� Shaft |
| Recommended Lubricant |
Mercury High-Performance Gear Lube |
| Monitoring System |
Drive Lube Monitor w/Audio Warning or Engine Guardian� |
| Corrosion Warranty |
3-Year, Limited |
| Housing Construction |
XK 360 Low-copper Alloy & 356 Aluminum Machined for Larger Bearings |
| Corrosion Protection |
Tri-Paint, Anodes & MerCathode� Electronic Corrosion Prevention |
| Anode Type |
Ultra-Pure Aluminum Anodes or Magnesium Anode Kit |
| Speedometer Pick-up |
Integrated Into Lower Housing, Digital Output Optional |
| Steering System |
Single Cylinder Power Steering with Anti-Feedback, or ITS Option |
| Steering Range |
56� Range Stop to Stop, Digital Output Optional |
| U-Joint Type |
Heavy Duty Permalube� Virtually Maintenance-Free |
| Power Trim System |
Twin-Cylinder Hydraulic Featuring Power Trim XD� Kick-up Return |
| Typical Trim Range |
-5° to 11° |
| Trim Limit Switch |
Adjustable Limit Analog or Digital - Engine Dependant |
| Trailer Limit |
46° |
| Trim Hinge Pin Design |
Heavy-Duty Permanently Lubricated � No Maintenance Required |
| Hydraulic Trim Lines |
Stainless Steel Braided Armor |
| Drive Coupler |
Greaseable From Inside Boat |
| Drive Weight |
130 lbs. (59 kg) |