Diesel G25...when is it official?

[swc5150]

It was actually a V6 diesel, but I agree the power was lacking for the added price.

[Wayward]

It was actually a V6 diesel, but I agree the power was lacking for the added price.

That’s right, it was a 6. It’s been a while.....

I could be remembering wrong, but I think it was only about 220hp, and 300lb/ft of torque, right?

[swc5150]

That’s right, it was a 6. It’s been a while.....

I could be remembering wrong, but I think it was only about 220hp, and 300lb/ft of torque, right?

Yes somewhere in that range. The 5.7 provided more power, which really made that diesel not make sense.

[distinguishedmotorsports]

i personally think i6 Turbo diesel would be the best for boats. V6 isn't as long, and idk if Yanmar even makes inline 6s. but if goes 6 cylinder, inline is the best configuration IMO, one hot manifold, other side is all cold intake.

diesel exhaust with a surf pipe would be pretty negligible while surfing. might soot up the swim platform, sides or back of the boat though.

[Tallredrider]

I had it in my mind it was even more than 20K upgrade in price (?closer to 30K?), but it did seem pretty great at the time. It never took off, probably due to some of the reasons noted above.

Nowadays, surf boats are pushing so much more ballast than back then that it seems reasonable to give it another shot. The advantage to a diesel motor seems even greater now that these boats have continued to become more tractor and less sports car.

[SoCal G-Man]

https://www.yanmarmarine.com/Product...s/8LV-350-386/

~350hp and ~800ft/lb tq.

peak Tq comes in low at 2500rpm... burning under 6gph

Impressive. I wonder if these things leave a trail of diesel behind the boat like many other diesel boats...

[swc5150]

I had it in my mind it was even more than 20K upgrade in price (?closer to 30K?).

I think you're right, MSRP was somewhere in the $32k range as I remember, and about $24k at discount. Seemed more of a boutique, novelty engine back then. This version seems much more viable, depending on price of course.

[RDT-G23]

I sure would love this option. I would be changing boats soon.

[Evening Shade]

You could run “”off-road”” diesel in it and not have to pay road construction taxes on the fuel! That would be great.

[Tallredrider]

You could run “”off-road”” diesel in it and not have to pay road construction taxes on the fuel! That would be great.

That would be pretty awesome. Until recently, I had no idea even where to get the off road diesel. We call it 'red diesel' in these here parts because of the dye they put in it to detect if you have it in your truck. I do know of 1 place in my town that sells it. I wonder if some more citified folk would have to travel so far to find any as to make it not worth the trouble.

[SoCal G-Man]

In California, it would be impossible to find diesel on fresh water.

[McCannLand]

I’m guessing this would be much more attractive for non-north American exports where gas is much more expensive and diesel much more prevalent.


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[GMLIII]

In California, it would be impossible to find diesel on fresh water.

Yep and in most fresh water lakes in North America

[Wayward]

Yep and in most fresh water lakes in North America

Plus side, would be that it would be incredibly easy for anyone that has a lake home with an oil burning furnace to fuel up their boat right at their dock!!

Pleasure boating requires no fuel tax, so you could burn the same fuel in your boat, as what you use to heat your house. Throw in a fuel pump, or a simple valve (if you have gravity working with you), and fill your boat up at home! Not to mention, all the money you save by not having to buy taxed fuel.

[nohlan_4]

I’m guessing this would be much more attractive for non-north American exports where gas is much more expensive and diesel much more prevalent.


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In Canada running a diesel would save me about 25% in fuel cost just on the change in fuel type. Not accounting for how much more efficient this motor could be. If this goes through my next G will have a diesel.