Is a Yamaha HPDI a four-stroke?
Direct injection- savior of the two-stroke outboard. That’s what some manufacturers trumpeted a year or two ago. Yamaha has developed a high-pressure direct injection system (HPDI) that’s used on seven all-new 2.6-liter 76 degrees V6 engines in 150- and 200-hp ratings. …
When did Yamaha make Hpdi?
(11/28/2000 – Atlanta,GA) Last year, Yamaha Outboards introduced a line of High Pressure Direct Injection (HPDI) outboards as part of its largest commitment ever in bringing the best in outboard motors to anglers and boaters.
What does Hpdi mean?
High Pressure Direct Injection
The High Pressure Direct Injection (HPDI) system was developed and applied to this type of production outboard motor.
What year did Yamaha start fuel injection on outboards?
Following this achievement, in 1998, Yamaha developed the lightweight, fuel efficient F100, which utilized dual overhead cam technology, and the F115, which was equipped with an electronic fuel injection system.
Can you start a 4 stroke outboard out of the water?
An outboard motor should never be operated without a source of water entering the inlet screens to supply the water pump. Without a source of water for lubrication, the water pump will be the first to be damaged, followed shortly thereafter by the engine from a lack of cooling.
What is wrong with my Yamaha 250 HPDI?
I have a 2007 250 HPDI. The older models is the ones that Yamaha had the most problems. Yamaha states that 2006 and newer 200, 250 and 300 HPDI are designed with new oil pumps. My problem was with the Fuel injectors.
How many hours on a 250 HPDI?
In the morning be first up, and in the evening last to go to bed, for they that sleep catch no fish. My motor was a 07 250 HPDI had 270 or 290 hours on it. I think all Yamaha’s shake when at idle. My motor was running the best I had ever heard it run and then.
Is 4K rpm bad for a 250 HPDI?
It was fine if we were under 4k rpm’s but every time we went above 4k it bucked back and forth. The rpm’s would drop off to idle and instantly go to what ever the throttle was set at. Now some history, this is a 2005 Yamaha 250 HPDI and was not used very much since 2006 by the previous owner.
Is Yamaha HPDI a good outboard motor brand?
I know of a shop that services numerous brands of outboard motors. The owner considers Yamaha HPDI as a “bread and butter” product line as it provides a proven and consistent revenue stream from repairs as compared to any of the other brands when viewed as broad categories. I learned of this when I asked about pros/cons of owning one.