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Old 30 July 2006, 07:16   #1
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Suitable???2.5 HP YAMAHA FOUR STROKE

Folks- your words of wisdom pls. Just purchased a 3m RIB- just for idle cruising in the Lake District and along the River Dart. Would a 2.5 HP YAMAHA FOUR STROKE be suitable for the job?. Be about 3 people in the rib max.

thanks in advance!

FWP
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Old 30 July 2006, 08:32   #2
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How fast do you want to go?

2.5hp probably won't get three people on the plane! In fact, you may struggle against a fast tide.

But if you really do just want "idle" cruising then it will probably suffice.
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Old 30 July 2006, 15:31   #3
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The river Dart as in Dartmouth?

The tide is fast enough there that a 2.5hp will be going standing still or going backwards with one person in a 3m rib. You'll only just make headway with 4hp and 3 people.
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Old 30 July 2006, 17:59   #4
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I have a 15hp Suzuki 4 stroke on my 3.1m - it will do 20mph with 3 people on board easily. Maybe a bit overpowered - I would say an 8 would be ideal but a 2.5hp would be a pain unless it was just on a lake or something.

If it is costs have a look around for a good s/h engine - also 2 strokes are great for small boats and the modern ones are quiet enough - read a good review on the 5hp Tohatsu the other day. That would be fine for you.
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Old 31 July 2006, 03:42   #5
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Thanks for the advice folks- the 2.5hp clearly wont do. What a novice eh!

Cheers

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Old 31 July 2006, 05:17   #6
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Quote:
Originally Posted by codprawn
2 strokes are great for small boats and the modern ones are quiet enough - read a good review on the 5hp Tohatsu the other day.
Yep, I have one... mine's painted black and called Mercury but the same engine I believe. Biggest engine you can get with both a built in fuel tanks and an external tank attachment.
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Old 31 July 2006, 05:51   #7
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FWP - DON'T get less than 8hp. In your situation with 3 people you should give serious consideration to the 9.8hp Tohatsu 2-stroke. Only weighs 27kgs so is easy to carry around. The 15hp's are on the absolute maximum of what is portable. Do as Codders suggests and check out some good second hand ones because by next year you'll have decided that a 3m RIB is too small for your requirements and you'll be looking to trade up with minimum depreciation
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Old 31 July 2006, 05:55   #8
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Quote:
Originally Posted by Phil Davies
FWP - DON'T get less than 8hp. In your situation with 3 people you should give serious consideration to the 9.8hp Tohatsu 2-stroke. Only weighs 27kgs so is easy to carry around. The 15hp's are on the absolute maximum of what is portable. Do as Codders suggests and check out some good second hand ones because by next year you'll have decided that a 3m RIB is too small for your requirements and you'll be looking to trade up with minimum depreciation
I spent many a happy hour zipping around the rias of Glaicia in a Yamaha 3m rib (tender to a yacht we had just delivered) with a 9hp on the back (with the re-jetting trick to raise it to 15!). Planed easily with 4 people aboard, biggest problem with just me was that I couldn't get enough weight forward (me and the fuel tank!) to keep the nose down beyond half throttle. An absolute scream!!!
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Old 31 July 2006, 06:16   #9
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Yep, I have one... mine's painted black and called Mercury but the same engine I believe. Biggest engine you can get with both a built in fuel tanks and an external tank attachment.
The 6hp Suzuki/Johnson 4 stroke (same engine, both are built by Suzuki) has both an internal tank and an external fuel line attachment, I've got one on order at the moment. Being where I am, it takes a while for things like this to arrive
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Old 31 July 2006, 07:47   #10
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what would i do without you lot!! many thanks - Any websites recommended and what average cost am i looking at?
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