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Old 03 June 2003, 08:17   #1
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Country: UK - England
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Yanmar or Volvo

out of the 300hp variety of these engines which do you think is best.

The Volvo's seem to have rediculouse spares prices but a good engine.

The Yanmar good engine but not quite as good at pick up as the Volvo.
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Old 03 June 2003, 09:57   #2
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At present I use outboards, but on a team building day earlier in the year, one of the other ribs was a Yanmar Outdrive. The skipper had volvo's and mercruiser's in the past and swore by the Yanmar saying it was a reliable and trustworthy motor.
I have had Volvo's but only in the smaller 150hp/170hp not the 300hp, but never had any problems with them.
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Old 03 June 2003, 10:25   #3
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Yanmar ..... no question! I will give you my million reasons if I had the time.
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Old 03 June 2003, 10:27   #4
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Yanmar

Yanmar without a doubt, Spoken to lots of marine mechanics who all swear by them and i've used them for about 5 years and they have been great, no problems at all.

Julian
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Old 03 June 2003, 12:07   #5
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'Ere we go again..........

Yanmar 300 is good engine imho and deservedly popular on big RIBs. Problem can be drive systems - search for the many posts on the subject of B3 or 3x legs & Yanmars vs B2 & B1. Some report many failures of B3(x) legs whilst others have had no problems.

Volvo expensive but better drive (duoprop). Seem to recall thats what Crazyhorse has specced for his super duper Ali RIB so perhaps worth asking for his opinion. (Cos it will be well researched!)
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Old 03 June 2003, 12:23   #6
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Depends totaly on what you want from the boat! if it's outright performance, you only have one choice- Yanmar.

9 mtr sport rib(mpl), kad 300= 57mph

9 mtr sport rib (mpl), 300 yanmar/B1= 64mph!

although the volvo boat was a little heavier, big diference none the less.
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Old 03 June 2003, 12:43   #7
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hmmm.......I thought this would be the outcome and its what i wanted to hear. After researching it myself the Yanmar with Bravo 1 seems the best option.

ta for the help
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Old 03 June 2003, 13:03   #8
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Quote:
Originally posted by H2O Events
....the Yanmar with Bravo 1 seems the best option.
Uhoh! Not necessarily. I have a Yanmar 300 and Barrus made a point of specifying the Bravo 2 leg. Have had this running for just 75 hours now and the performance of my heavy 9m cabin RIB is better than I - and everyone else it seems - expected. Coupled with a 17.75 x 21 inch prop it has plenty of power for a 6+ ton RIB. With 500 litres of fuel and 5 adults the top speed of 34 knots was unaffected by the load.

Bravo 2X...just a thought.
Cheers
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Old 03 June 2003, 14:01   #9
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oh no...........more decisions.

I am probably going to order an 8.5 or 9 meter Ribtec (the wide hull) so that is qite interesting. I expect without as much weight as yours it should be a little quicker. what do you think mike.

So why the 2 instead of the 1
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Old 03 June 2003, 14:15   #10
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Without being a diesel expert I've read that nothing beats volvo in acceleration and planning time.
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