DF9.9B - DF15A - DF20A
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DF9.9B - DF15A - DF20A - 1

A word from Suzuki engineers Hideto Nakamura PRODUCT INFORMATION Yukihiro Yoshikawa Hideto Nakamura (Development and Design Group) In charge of engine design and overall design coordinator. Suzuki Employee for 16 years. Career in company: PWC engine development, snowmobile engine development, outboard engine design I worked on development and design of the outboard motor with a focus on reducing the total weight of the outboard engine. When we were developing the outboard, we wanted to reduce weight so we looked not only at the large parts, but at the smallest of parts, component shapes, processes, even the materials as well. We also used combustion and ow analysis extensively to determine the optimum shape of each part so as to obtain the desired power output from the engine. The new DF20A/15A/9.9B are extremely lightweight and produce great power output from low rpm. I’m very satised with the results. Yukihiro Yoshikawa (Development and Design Group) Hiromichi Takewaki In charge of the design of electronics. Suzuki Employee for 15 years. Akinori Yamazaki Since the DF20A/15A/9.9B are the smallest output outboards to be equipped with fuel-injection, it was a challenge obtaining the same level of performance found in larger outboards while reducing the size of the parts. In regard to the ECM (Engine Control Module), we designed it to operate without a battery, and incorporated a variety of devices to improve fuel eciency so you can fully enjoy the features of fuel injection. Akinori Yamazaki (Experiment Group) In charge of experimental development. Suzuki Employee for 8 years. When developing the DF20A/15A/9.9B, we focused on the features of a battery-less fuel injection system. A number of engine functions can be controlled electronically, startup performance is not inuenced by the operating environment, idle rpm is very stable, and by taking advantage of the lean burn system, it delivers superior fuel eciency. Compared to the simple structure of a carburetor, we completely rethought the layout of the fuel injection system, giving priority to the function of each part so that the resulting system was the same size and weight of a carburetor. Hiromichi Takewaki (Production Design Group) In charge of engine rigging. Suzuki Employee for 8 years. When we started developing the new DF20A/15A/9.9B, we made a conscious decision to develop as a compact and lightweight outboard as possible. In particular, the new fuel injection system enabled us to reduce the size of the outboard, and the use of resins allowed us to reduce its overall weight. While incorporating fuel injection increased the number of parts compared to a carbureted system, through careful consideration we could t everything into an engine cover that is nearly the same size as the previous outboard. ENGINE TYPE FUEL DELIVERY SYSTEM RECOMMENDED TRANSOM HEIGHT mm (in.) STARTING SYSTEM WEIGHT kg (lbs) *with battery cable, without propeller & engine oil FULL THROTTLE OPERATING RANGE rpm STEERING CHOKE OIL PAN CAPACITY lit. (US/Imp. qt.) IGNITION SYSTEM ALTERNATOR ENGINE MOUNTING TRIM METHOD GEAR RATIO GEAR SHIFT EXHAUST DRIVE PROTECTION PROPELLER SIZE (in.) All propellers are the 3-blade type : Standard : Optional Select the propeller which ts within the range of the engine rpm of each model. 4-STROKE OHC 4-VALVE ELECTRONIC FUEL INJECTION S: 381 (15) L: 508 (20) NO. OF CYLINDERS PISTON DISPLACEMENT cm3 (cu. In.) BORE X STROKE m/m (in.) MAXIMUM OUTPUT kW (PS)/rpm ELECTRIC/MANUAL ELECTRIC/MANUAL MANUAL TRIM & TILT POWER TILT 2.08 : 1 F-N-R THROUGH PROP HUB EXHAUST RUBBER HUB 9-1/4 X 7 9-1/4 X 9 9-1/4 X 10 9-1/4 X 11 4-blade type propeller Please read your owner’s manual carefully. Remember, boating and alcohol or other drugs don’t mix. Always use a personal otation device. Please operate your outboard safely and responsibly. Suzuki encourages you to operate your boat safely and with respect for the marine environment. Specications, appearances, equipment, colors, materials and other items of “SUZUKI” products shown on this catalogue are subject to change by manufacturers at any time without notice and they may vary depending on local conditions or requirements. Some models are not available in some territories. Each model might be discontinued without notice. Please inquire at your local dealer for details of any such changes. Actual body color might dier from the colors in this brochure. 300 TAKATSUKA-CHO, MINAMI-KU, HAMAMATSU CITY, JAPAN 432-8611 99999-C2042-011 DF20A/15A/9.9B LEAN BURN PRODUCT INFORMATION

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DF9.9B - DF15A - DF20A - 2

The World’s First 14.7kW (20PS)/11.0kW (15PS)/7.3kW (9.9PS) Outboards designed with Lean Burn and Battery-less Fuel Injection State-of-the-art designs make Suzuki’s portable lineup among the most technologically advanced outboards available on the market. The DF20A, 15A and 9.9B hold claim to being the world’s rst battery-less electronic fuel injection four-strokes in each of their power classes. Using all-new fuel injection system components designed smaller and lighter than those found in any previous system, Suzuki engineers succeeded in creating the lightest four-stroke in the 14.7kW...

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