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Author Topic:   New 20-HP from Suzuki

GSH posted 04-12-2012 06:44 AM ET (US)
I don’t know if it has already been posted here, but there’s a new 20-HP (and a renewed 15-HP) coming out from Suzuki, called the DF20A.
The 2-cylinder in-line motor seems to be a good deal lighter compared to the current v-twin 25-HP (and seems to be on par with the corresponding model from Honda). It also features a fuel injection system that can operate without a battery. Nice!
For more details please see
http://www.globalsuzuki.com/globalnews/2012/0123.html .
-Seb

Teak Oil posted 04-12-2012 09:26 AM ET (US)
At just over 100#, the 15 is light enough to serve as a kicker on hulls 22' and over.
The 20 would make a great engine for an 11' tender.
Nice
jharrell posted 04-12-2012 10:48 AM ET (US)
The fuel injection aspect is really interesting, I don't believe any production 4-stroke outboard this small has done it before. Even the E-TEC 15hp is really just a de-tuned 25hp weighing 50# more.
I wonder if this system is small enough to make it down into the sub 10hp engines. Imagine how little fuel a 6hp fuel injected kicker would use with Suzuki's lean burn.
It would also be interesting if they could up-scale the battery-less technology into their larger outboards so they may be rope started like the E-TEC.
Teak Oil posted 04-12-2012 11:36 AM ET (US)
The technology has existed for years to pull start fuel injected engines. Arctic Cat snowmobiles had this ability 15 years ago. And guess who made those engines? Suzuki. I believe it took the first two pulls to charge a capacitor with enough voltage to power the electronics and then the engine was supposed to start on the third pull.
jimh posted 04-13-2012 09:27 AM ET (US)
Recently I had a chance to look under the cowling of a small Suzuki outboard four-cycle engine. As readers know, I like to look under the cowling of all outboard engines, at least those engines whose cowlings I can figure out how to remove. What I saw under the cowling of the small Suzuki outboard impressed me.
This particular four-cycle engine had three cylinders. The fuel induction was a multi-point fuel-injection system, and the intake manifold had long air passage, probably carefully tuned to boost performance. There were three small fuel injectors, one for each cylinder. The spark ignition was supplied by modern coil-on-plug individual spark coils. I was impressed by the design and layout of these devices. They were all compact, nicely positioned, connected by modern sealed electrical connectors to a wiring harness, and obviously controlled by a computer. The way the components fit onto the power head, the path the wiring harness took, and the general layout of the engine all showed good design.

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Author	Topic: New 20-HP from Suzuki
GSH	posted 04-12-2012 06:44 AM ET (US) I don’t know if it has already been posted here, but there’s a new 20-HP (and a renewed 15-HP) coming out from Suzuki, called the DF20A. The 2-cylinder in-line motor seems to be a good deal lighter compared to the current v-twin 25-HP (and seems to be on par with the corresponding model from Honda). It also features a fuel injection system that can operate without a battery. Nice! For more details please see http://www.globalsuzuki.com/globalnews/2012/0123.html . -Seb
Teak Oil	posted 04-12-2012 09:26 AM ET (US) At just over 100#, the 15 is light enough to serve as a kicker on hulls 22' and over. The 20 would make a great engine for an 11' tender. Nice
jharrell	posted 04-12-2012 10:48 AM ET (US) The fuel injection aspect is really interesting, I don't believe any production 4-stroke outboard this small has done it before. Even the E-TEC 15hp is really just a de-tuned 25hp weighing 50# more. I wonder if this system is small enough to make it down into the sub 10hp engines. Imagine how little fuel a 6hp fuel injected kicker would use with Suzuki's lean burn. It would also be interesting if they could up-scale the battery-less technology into their larger outboards so they may be rope started like the E-TEC.
Teak Oil	posted 04-12-2012 11:36 AM ET (US) The technology has existed for years to pull start fuel injected engines. Arctic Cat snowmobiles had this ability 15 years ago. And guess who made those engines? Suzuki. I believe it took the first two pulls to charge a capacitor with enough voltage to power the electronics and then the engine was supposed to start on the third pull.
jimh	posted 04-13-2012 09:27 AM ET (US) Recently I had a chance to look under the cowling of a small Suzuki outboard four-cycle engine. As readers know, I like to look under the cowling of all outboard engines, at least those engines whose cowlings I can figure out how to remove. What I saw under the cowling of the small Suzuki outboard impressed me. This particular four-cycle engine had three cylinders. The fuel induction was a multi-point fuel-injection system, and the intake manifold had long air passage, probably carefully tuned to boost performance. There were three small fuel injectors, one for each cylinder. The spark ignition was supplied by modern coil-on-plug individual spark coils. I was impressed by the design and layout of these devices. They were all compact, nicely positioned, connected by modern sealed electrical connectors to a wiring harness, and obviously controlled by a computer. The way the components fit onto the power head, the path the wiring harness took, and the general layout of the engine all showed good design.