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Old 19 June 2011, 09:58   #21
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Country: UK - England
Town: Portsmouth
Boat name: Not sure
Make: ABC/Priddy
Length: 10m +
Engine: 2 x 500 FPT
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You should be able to source a spare drive a lot closer to you than you think.
The Yamaha ME range was marketed In Oz and NZ along with Indonesia. Japan in a bit closer than the UK so you should have too many problems. Although the engine is based on the Toyota Block, there is very little else it has in common. For example, the crankshaft is based on a Ford Truck Unit!
It is still the best unit in the market. Alan P
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Old 20 June 2011, 14:57   #22
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yamaha me 421

Quote:
Originally Posted by kubcat View Post
After 2 months of anticipation, the Ribtec 890SX has finally arrived.

There has been some minor damage from the shipping that needs attending to but in the meantime as it sits in my garage we would like to service the engines and drives.

We have been assured it has been serviced religiously but it was in Papua New Guinea and we doubt anyone really new what they were doing.

Being in Australia, these motors are quite rare and not sure if anyone really knows what they are doing either so we are giving it a shot ourselves.

Besides fluids and filters, is there anything else we should do?

congrats on the new arrival

as has been already said these drives need some tlc to keep them reliable.
are your drives single or trp duoprop drives??
heres some of my knowledge from the last 7 years and 2000 hrs of yamaha diesel usage.

things that will fail sooner or later in no particular order

1 Both oil return pipes , ie the large and small from the turbo.

2 starter relay / glow plug relay hidden beheind the heat exchanger change them before
they let you down or carry spares.

3 make sure and fit a drive shower and use the best gl5 gear oil available , which yamaha say
shouldnt contain boron, I use castrol SAFXO 75w90 , Quicksilver high performance gear oil
is also well regarded

4 make sure you can achieve rated maximum "LADEN " rpms ie 3900rpm with full fuel and
passengers ,this tip is very important

5 I would also recommend you change your coolant regularly using the texaco bright orange stuff.

6 the cambelt change interval is specified as being 3000hrs,however given the potential damage
I change mine at 1000hrs using gates or toyota oem belts.

7 the water pump is made by johnson pump , and uses an impellar p/n 812b which is a fraction of
the cost of what yamaha charge.


8 as someone has already stated , the yamaha original exhaust elbows are cast and fail internaly,
you can check the condition of yours by squeezing the water pipe at 3000 rpms
if the pipe is hard you are in trouble, it should be squeezable with moderate pressure

if you want to pm me, I can forward you with a copy of the workshop manuals on cd for both the engine and the sterndrive,
As previously stated these are reliable units when run properly and not overpropped,


enjoy your new purchase

regards
mick


6
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Old 20 June 2011, 17:06   #23
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Country: Australia
Town: Sydney
Boat name: Lunasea
Make: Ribtec 890SX
Length: 8m +
Engine: Yamaha ME 421STI x 2
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Thanks for all the great info.

They are single prop drives.

I think they are 2004 models and although they are only have about 500 hours use, the cam belts are 7 years old. I don't know if they have ever been changed. Might be on the list for further down the track as they are rated to 3000 hours.

I was wondering about where, how many and what size holes to drill in the plastic drive cover for cooling.
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Old 24 June 2011, 19:18   #24
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Country: Australia
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Boat name: Lunasea
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Engine: Yamaha ME 421STI x 2
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Quote:
Originally Posted by Alan Priddy View Post
You should be able to source a spare drive a lot closer to you than you think.
The Yamaha ME range was marketed In Oz and NZ along with Indonesia. Japan in a bit closer than the UK so you should have too many problems. Although the engine is based on the Toyota Block, there is very little else it has in common. For example, the crankshaft is based on a Ford Truck Unit!
It is still the best unit in the market. Alan P
Thanks Alan for the advice. I have been looking for a while now and nothing is coming up in Oz. Might have to cast my net a little wider.

The crankshaft is a Ford Truck Unit? Wow, that is amazing. Any idea which Ford truck?
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Old 25 June 2011, 00:29   #25
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Quote:
Originally Posted by kubcat View Post
Thanks Alan for the advice. I have been looking for a while now and nothing is coming up in Oz. Might have to cast my net a little wider.

The crankshaft is a Ford Truck Unit? Wow, that is amazing. Any idea which Ford truck?
i still got 3 legs, so to speak, if you run out of options that are closer
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Old 25 June 2011, 07:25   #26
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Mr Three Legged Biffer,

I thought I had sent a PM. Anyway, let me know what comes with them and how much you want. Might as well empty your garage and fill mine.
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Old 07 July 2011, 08:17   #27
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it seem's i still have 3 drives, redbay contacted me after our talk about outdrives and said they would buy the lot, they haven't come back to me since agreeing to there bid, i'm not sure if they want them or not so they are still for sale.
i my mind that's bad manners of redbay not to return a call either way.
if you don't need them no prob's they will probaly still be sat here a year or two from now
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Old 07 July 2011, 10:28   #28
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Sods law. Redbay have come through. So sorry to doubt them and they are sold

Sent from a remote device
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Old 07 July 2011, 12:27   #29
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Make: Arctic 28/FC470
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One of their spies must have spotted your last post
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Old 18 July 2011, 08:07   #30
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Country: Australia
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Boat name: Lunasea
Make: Ribtec 890SX
Length: 8m +
Engine: Yamaha ME 421STI x 2
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Quote:
Originally Posted by Dry Run View Post
I'll send you the photos we have of the boat when we were selling it. It will be interesting to see if it's changed much. The new owners were going to get a bimini made for it - wonder if that ever happened? Frog motif is unique to that boat (previous owners nickname was "froggy") so it must be the one. As they say - small world!

I'll PM you the history of the boat as we know it, but suffice to say that it was always well maintained and serviced - although not always loved!

Anyway, have fun with her!

Oh and the dials and guages you've ordered from me will certainly fit that rib as we have already supplied the ignitions on it from the same stock.
The gauges are in Sydney so I should probably get them tomorrow. Thanks for that.

There is no bimini and no fittings for one. It would be useful though. On the to do list.

How did you go with finding the history of the boat?
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