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Old 30-07-2007, 07:16 PM   #1
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Occupation: Champion Pie Eater
Boat name: On The Rocks
Boat make: Ring 21 marshan 17 four winns horizon, hydro 3 pointer, f2 cat, backdraft 22
Cruising area: Way up norf and Sarf coast areas

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Yamaha 300 Problems

Has anybody here had any problems with Yamaha's 300 units runining top pistons,
I've got the chance of a choice of two, both just over 1 year old, off seperate boats same problem?
They are cheap but not worth sorting if there is a issue with these motors! as they will do the same again.
I know they run off on two cylinders when in idle as standard.
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Old 30-07-2007, 07:28 PM   #2
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Country: uk
Location: poole
Occupation: retail
Interests: sport and being lazy
Boat make: ring rib
Engines: merc xr2
Cruising area: bournemouth bay

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There was an extensive range of posts on ribnet in the outboards section it was posted under heading new yamaha v-max 300 aetox hpdi march 14th 2005 ribnet
http://www.rib.net/ hope this is of help you will have to join if you are not a member, I believe the forum runner is a friend of JF that runs this site
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i can na give her any more captain
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Old 30-07-2007, 09:22 PM   #3
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Occupation: Champion Pie Eater
Boat name: On The Rocks
Boat make: Ring 21 marshan 17 four winns horizon, hydro 3 pointer, f2 cat, backdraft 22
Cruising area: Way up norf and Sarf coast areas

Join Date: Apr 2007
Posts: 1,618
Thanks
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Old 30-07-2007, 09:36 PM   #4
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Country: netherlands
Location: Mijdrecht/holland
Occupation: truck repair
Interests: fast boats/porches
Boat name: bernico cat
Boat make: bernico 26 cat 2x 2,5,s
Engines: merc,s 2,5 EFI,s
Cruising area: ijselmeer

Join Date: Dec 2005
Location: Mijdrecht/holland
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They will have several problems ,just like the 250 HPDI.

Do a search at Screamandfly ,there is a load of info about these engine,s there.

sterling
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Old 30-07-2007, 10:09 PM   #5
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Occupation: Champion Pie Eater
Boat name: On The Rocks
Boat make: Ring 21 marshan 17 four winns horizon, hydro 3 pointer, f2 cat, backdraft 22
Cruising area: Way up norf and Sarf coast areas

Join Date: Apr 2007
Posts: 1,618
On the Ribnet forum it seems this model uses a secret ingredient in the material of the pistons (chocolate) on the engines i have seen only seems to be the top two pistons!
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