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Old 17 October 2002, 10:18   #1
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Country: UK - England
Town: Portsmouth
Boat name: Sting
Make: Tornado 6.8
Length: 6m +
Engine: Yam 200 HPDI
Join Date: Oct 2002
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Yam HPDI 200 HP

Hi all,

Just joined the group. Have been a RIB owner for most of my adult life, and love them. Glad to find a bunch of likeminded people. Not done long cruises yet but will do soon.

Now I am here I need some advice on a new purchase. I am dead keen on the HPDI 200HP from Yam, everything I read says, good performance, good fuel consumption with the responsiveness of a 2 Stroke. The 4 strokes I have used have been heavy for the power they deliver and didn't react very quickly when the throttle was dumped. Now I know this could cause a 2stroke v 4 stroke online battle. Thats not what I am after.

What I want to hear is people experiences of HPDI and this 200HP Yam engine in particular. I have not signed the cheque yet and its wise to seek advice from indepentent experts.

Anything you have you be appreciated

Thanks in Advance
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Old 17 October 2002, 10:37   #2
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Country: Canada
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Don't consider myself an expert but..........

I have a Yam 200 HPDI on my Scorpion and think its an excellent bit of kit! It is quiet, powerful and delivers similar if not better economy over the 150 Merc Optimax I ran on another RIB. I get approx 1l per mile at speeds upto 3/4's throttle.

The Yam's are more expensive than Merc Opti's - figure on a premium of 1500-2000 or so but I think they are better engineered - they are certainly quieter! Upto you whether you feel the premium is worth it.

Acceleration is good and I imagine holeshot would be pretty good although I've not pulled a skier with this boat as yet. I do have a mate with the same engine on a 7.5 Cobra and he ski's all the time & has nothing but good things to say about the engine.

Have had no experience of servicing costs as yet.

HTH,
Alan
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Old 17 October 2002, 10:49   #3
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Make: FB 55
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If you can afford it, the Yamaha HPDI 200HP is the engine to go for without a doubt. My friend has two on the transom of his 9m White-shark and has had them since they came out. I have skii'd many times behind his boat, yes I know there it is a twin set-up but even so the 'hole-shot' is tremendous. The only consideration is getting the correct prop for your application.

Protector Ribs, in New Zealand fit them as standard and swear by them. Wish I could afford two of them
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Old 17 October 2002, 11:55   #4
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Hears a question. Who does build the new range of engines for Mercury? Alan P
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Old 17 October 2002, 12:01   #5
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Go on then ............. who does ??
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Old 17 October 2002, 12:16   #6
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Answer

Yamaha me thinks
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Old 17 October 2002, 12:46   #7
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Nah don't think so

not least the HPDI's. Different technology from Merc Optimax - higher pressure for a strart.
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Old 17 October 2002, 15:57   #8
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Yep, my money is on Yamaha, only because I think Alan P is asking a question he already knows the answer to. Have you ever seen him use anything else ?
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Old 17 October 2002, 16:00   #9
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Engine: Yam HPDI 250
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99% sure it's a yam - yes different technology, but that don't mean different people make 'em!

Daniel
(Big grin 'coz i've been out RIB'in all day!)
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Old 17 October 2002, 18:00   #10
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It has to be Tohatsu !!
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