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Old 17 December 2009, 16:05   #1
Country: Ireland
Town: North West
Boat name: Seashell
Make: Redbay
Length: 7m +
Engine: Inboard
Join Date: Dec 2009
Posts: 19
Yamaha me422 275HP - me422 240 hp

Trying to find information on the difference between the two engine set-ups as it's basically the same engine, is it via an increased/ -supercharged turbo?

I've read the 275 hp is rated for 200 hrs and the 240 for 500hrs, does anyone know if a 275hp rated engine could be reduced to the 240hp and thus run longer and be more economical or is the initial set difference such that it would not be worth while?



wildwords is offline   Reply With Quote
Old 18 December 2009, 01:45   #2
Country: UK - England
Town: Surrey
Length: no boat
Join Date: Feb 2009
Posts: 215
Hi There , Contact BBMS MARINE in Southampton and speak to Paul or Graeme . These are the boy's too talk too . Sorry haven't got there number handy . They are on the web

outboardtech is offline   Reply With Quote
Old 18 December 2009, 03:06   #3
biffer's Avatar
Country: UK - England
Town: swanwick/hamble
Boat name: stormchaser
Make: custom rib
Length: 8m +
Engine: inboard/diesel
Join Date: Aug 2007
Posts: 3,848
although the engine block is the same a lot of the aux are different ie intercooler, injector pump, water pump, bigger water system and so on, why don't you get a 240hp straight from the start, i think yamaha still do them
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