John Eichelsheim, from Boating New Zealand magazine.
Today we're looking at a couple of new
Assault Ribs. The largest 610, and the smaller Vesta 380. Now both of these
boats have new Yamaha engines new four-strokes. The bigger boat has got the
new 90 horsepower, and the smaller 380 has the new 25 horsepower, which has some
interesting features that we'll talk about a bit later in this video.
This is the Assault 610. It's a well priced Rib. It has PVC tubes, which are a little bit
cheaper to make, but very hard-wearing nonetheless. The layout is quite open,
so there's plenty of room in the boat, and quite a versatile layout too.
You've got a double seat here behind the helm. Behind that again is a full whip
bench seat with some storage underneath. A molded console, the seat in front of
that, quite sort of regular quite a basic layout, and forward again there's a
molded compartment where you can keep your anchor and that kind of thing.
It has a simple arch, in this case it just has the riding light on the top and of
course the running lights as well. But you could use that as a tow point or
for other things as well.
The key thing with this particular boat, it's got the new 90 horsepower Yamaha on
there, it's a four-stroke 1.8 litre - quite a grunty engine and certainly a good
match for this vessel.
So this boat performs quite nicely even with 90
horsepower and you might want to put more horsepower on than that. But this engine -
large block engine - it really pushes it along very well. The boat rides quite
flat underway, and that's fairly usual for a Rib, and you can crank it
into a corner pretty much as hard as you like, and she'll ride pretty level all
the way around. The controls are nice and light. Once the engines trimmed properly and
the throttle etc has been properly rigged, so there's none of the tightness
that you sometimes get with this type of installation.
So yeah, it's a very pleasant boat to drive.
So this is the Vista 380 it's a much simpler boat, not a heck of a lot to it.
But a versatile little boat that could be a good tender or a small fishing
boat. It could be a family fun boat. With this particular engine on it - it goes very
well. That's got lots of grunt for a 25 horsepower. Very simple seating system
just a couple of bench seats, a simple tote tank, a little locker in the front
to put the anchor, and that's pretty much all there is to it. But you know you can
have an awful lot of fun in a boat like this.
The Assault Vesta 380, is a fun boat to drive. It rides softly and seems pretty
dry as well. The new 25 horsepower Yamaha F25 is a good match for this Rib.
I'd like to introduce Hugh Stewart from Yamaha Motor New Zealand, he's the marine
technical expert. We've just experienced two new Yamaha engines a new 90
horsepower, four-stroke and a new 25 horsepower, four-stroke both very
impressive. There's quite a few things about the 90 that sort of make it
different from the motor that sort of it's going to replace. The 90 is actually
the new F90. Bigger cubic capacity than the previous F80 - F100. So, Hugh
what's the advantage of a bigger capacity engine? It's slinging horsepower
out at a more relaxed fashion. The actual horsepower coming out is actually spread
over, through that capacity. If I have it right the last sort of
generation engine was it was 1.5 litre block and this is a 1.8 litre? Yes a big
difference, weight wise the previous engine did run a double overhead cam.
Yamaha have moved to using high tech metals and more resin composite engine
tray, lighter top cowling and have actually made quite a few changes right
throughout the engine. That seems to be the trend sort of across the board with
Yamaha doesn't it Hugh, the engines are becoming lighter and lighter and
that was in the early days, that was one of the criticisms of four-strokes
was they were much heavier than two stroke engines, but that's no longer the
case across the board is it? No it isn't, it is really really good because the
four strokes are coming more into line. Weight wise versus
two stroke in the earlier times. Well that might be a really good lead-in to
the F25, because that is a really light weight
four-stroke unit isn't it? Yeah the F25 - it's a fantastic unit. It's 10kgs
lighter than our previous F25, and it's just 9 kgs heavier than our
current 2 stroke 25. You haven't got that huge amount of weight hanging
over the back end, and because it's actually right on the stern of the
boat, 10kgs does make a big, big difference. And, also it makes the boat
easier to push because you're not actually digging the hole for a start,
not such a big hole, let's put it that way.
The other thing I noticed driving that little Assault Rib with the 25 on it, was
A: that the motor was really quiet, but also very responsive to the throttle.
But secondly, it's got a special feature that I think trout fishers in particular would
find very useful. Yes, it's actually got a variable troll, and once you're in gear
you can actually adjust the troll speed from idle, down to 750 rpm and up to
1,50 rpm. So you can actually, purposely set your troll speed to suit
the conditions of the day. So for lake trolling - just amazing!
Well that's brilliant. Thank you Hugh and yeah, a couple of very interesting new engines
from Yamaha, which I suspect we're going to see a lot more of on the water in
coming years.
So we've had a fun day in the Assault Ribs. Both very well priced, lots of fun
to play with, with the two new Yamaha engines very impressive performance on
for both of them in fact, but especially the 90 horsepower which really pushes
that boat along very nicely indeed. Lots of fun!
Nothing like a Rib, if you want a comfortable ride.
John Eichelsheim from Boating New Zealand.
Thanks for watching. If you'd like to see more of these
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