New GPS???

[keeperreaper]

200 HPDI engine has been historically one of the best built engines. Light, strong, good on the go juice. They have an almost cult following on certain boating sites. I would not hesistate to throw one on a boat. Just make sure your fuel filter is 10 micron or better.

[numbskull]

Originally Posted by keeperreaper

200 HPDI engine has been historically one of the best built engines. Light, strong, good on the go juice. They have an almost cult following on certain boating sites. I would not hesistate to throw one on a boat. Just make sure your fuel filter is 10 micron or better.

Have you owned one?

Your comment about the 10 micron filter is laughable.

There are 5 other levels of filters in that engine, and they will (not "may") clog with time. When they do, the engine fails.

The HPDI engines were designed to run on the "ragged edge of lean" using pure gasoline. The introduction of ethanol to gas introduces dissolved contaminants (particularly from tanks with any age on them) that the filters in the engine can not handle without clogging. As they clog, the engine runs even leaner. Since the engine is already running at peak performance as lean as it can, restricting fuel and lubrication flow leads to disaster.

They are elegant engines designed for a different era. Yamaha has tried to keep them active by ramping up their maintenance schedule and filter changes........but those filters were not designed to be accessible and are not easy or inexpensive to change or clean.

You may have friends with new HPDI's on new boats and be thrilled with the performance they get........but a $17,000 engine ought to last a decade, and the HPDI isn't likely to do it for you without a lot of expense and downtime along the way.

[Mr. Sandman]

numby is right about fuel issues, the guys I know that have had fuel issues and have gone to very expensive multi-level filters (30/10/2 mic usually) after going thru tank clean-outs and injector and sensor changes on fairly new boats. These filters systems are usually about 750-1000 bucks. IMO The problems stems with fuel quality around here. One iffy tankful of fuel and you are toast. Further what worries me is E-15. I doubt a many marine engines will even run on that. Get used to hearing various sensor alarms go off. The problem is you don't want to go offshore when one of your engines is having fuel problems...the other engine is burning the same fuel, so you don't use the boat as much and you get a bad attitude on life in general. Putting ethanol in gas was a bad idea from all angles as I see it.

When I was in Florida, many gas stations offered both ethanol and non-ethanol and every boater I spoke to put non-ethanol gas in their boat. (most put it in their cars as well) the cost difference was 30 cents/gal. I wonder why they don't offer that up here??

BTW, yami will give you hard time about covering fuel related problems

[macojoe]

Thanks for all the info guys!! I have time to think about it and will!!

Just a question, whats the difference with the 4 strokes? They also have the VST system and filters, I had my filters all changed last year and the fuel system serviced, they said do every year if i do 100 hours or could do every 2 years if I stay under 100.
I i got the VST system, filters, oil changed and filter and tuned up for $1200 last season.