Features • SMOOTH AND STRONG PERFORMANCE: A compact, single-overhead-cam design and long piston stroke give Mercury 40 - 60 hp FourStroke outboards more low-end torque for excellent acceleration, even when pushing a heavy load. The high-displacement, long-stroke, four-cylinder, single-overhead cam design provides optimum power and a smooth ride with Command Thrust models.

• THUMBSCREW CLAMP BRACKET: The 40hp manual start, long shaft (20' / 508mm), tiller steer model is also available with a thumbscrew mounting bracket. This bracket reduces the time and effort needed to install or remove the outboard from a boat's transom. • THE BIG TILLER: The optional center-mounted Big Tiller offers optimal control. Opengl programming guide. A longer tiller grip incorporates a convenient power trim switch, the shift lever is close at hand, and an optional digital troll control adjusts engine speed as low as 700 rpm in 10-rpm increments. • VESSELVIEW MOBILE: Now you can have the power of SmartCraft on your mobile device (iOS or Android) with all the digital data your SmartCraft engine supports - plus new features such as Maintenance Reminders, Mapping, Performance Summary and Fault Code Diagnostic information. Connect with your engine and be in the know. 1) Connects the SmartCraft data network to your iOS or Android mobile device via BLE (Bluetooth Low Energy 4.0)* 2) See SmartCraft engine parameters: fuel flow, water temperature, battery voltage, RPM, engine hours* 3) Get fault code diagnostic information so you know and understand if that fault is something to be addressed when you return back to the dock or it is something more significant* 4) Get mapping information for your body of water: location, record a moment on the water, fuel & restaurant locations and more.