A thumb screw under the tiller can be used to adjust its bottom stop and thus the vertical angle of the tiller to further fine-tune the fit. This new “ambidextrous” Mercury tiller is placed on the center of the motor and can be adjusted 18 degrees port or starboard (in 6 degree increments), so it can be operated comfortably from either side of the boat. This was more important in the past when small boats were less stable and often had round chines. This places the operator to starboard in the boat, where his or her weight will counter propeller torque, which wants to twist the boat to port. The tiller on small outboards has almost always been placed to port and designed to be controlled by the left hand. The new tiller design allows control of the new Mercury FourStroke 15/20 outboard with either the left of right hand. No more gunk-filled carb after a few weeks of inactivity. Because the system is pressurized and closed to the atmosphere, EFI solves most of the problems associated with carburetors and the current fuel supply. Mercury says fuel economy is not significantly improved by EFI. Unlike a standard carburetor, EFI automatically adjusts for changes in weather and elevation, so the motor will offer easy starts and crisp response whether you are fishing on a hot day in July or duck hunting in sub-freezing November. Electric start is also an option, but all motors come equipped with the rope so if the starting battery goes dead “armstrong” starting will get you moving. A cold motor will often start with one pull, always with two, and automatic decompression makes that pull almost a finger-tip effort.
#Mercury motor 20hp manual#
Easy manual (rope) starting is the obvious advantage of EFI.
The 362cc Yamaha F20/15 has a carburetor and weighs 111 pounds, by comparison (these are all dry weights for the lightest model offered).Īfter loosening one bolt and a pin the tiller angle can be adjusted up to 18 degrees port or starboard in 6-degree increments. At 99 pounds, the new motor is a very significant 11 pounds lighter than the previous Merc 15/20 (the Tohatsu version weighs only 95 pounds), and is lighter than all other competitors except the 97-pound Suzuki DF20/15 which is also fuel injected.
Displacement of the new 333cc twin-cylinder powerhead is actually less than the 352cc motor it replaces, but Mercury says improved design actually squeezes more torque from the new powerhead. These new motors, which were designed by Mercury with its long-time small-motor partner Tohatsu and will be produced by Tohatsu in Japan, also offer the benefits of electronic fuel injection (EFI) in a system that does not require a battery. We’ll get to the tiller, but first the basics. The tiller is one of those “why did it take so long” innovations that seems like an obvious idea now, but required tossing overboard decades of traditional design inertia. The new Mercury FourStroke 15 HP and 20 HP outboards offer an adjustable tiller handle designed to enhance comfort and control for small-boat owners.
0 kommentar(er)
