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12 July 2012, 12:22
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#1
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Member
Country: UK - England
Town: lymington
Boat name: 65
Make: scorpion
Length: 6m +
Engine: 130 rude
Join Date: Nov 2009
Posts: 12
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mercruiser 1.7 tdi 120hp wanted ???
Wanted
mercruiser 1.7 tdi 120 hp cash waiting any condition considered
Many thanks
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18 July 2012, 18:04
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#2
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Member
Country: UK - England
Town: Liverpool
Boat name: BENJ5
Make: Zodiac
Length: 5m +
Engine: Suzuki DF90hp
Join Date: Jul 2006
Posts: 124
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I'm probably wrong and feel free to shoot me down in pieces, but aren't theses the engines out of the old Astra vans? 
Brian
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18 July 2012, 18:15
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#3
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Member
Country: UK - England
Town: Southampton
Boat name: Hissing Sid
Make: Ross Smith Cobra
Length: 6m +
Engine: 200HP Optimax
MMSI: 235038046
Join Date: Jun 2002
Posts: 3,804
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Quote:
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Originally Posted by br1anuk
I'm probably wrong and feel free to shoot me down in pieces, but aren't theses the engines out of the old Astra vans?
Brian |
Isuzu originally I believe. GM after.
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31 July 2012, 09:18
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#4
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Member
Country: UK - England
Town: lymington
Boat name: 65
Make: scorpion
Length: 6m +
Engine: 130 rude
Join Date: Nov 2009
Posts: 12
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Yes isuzu based but the Marinised one is a lot more complexed
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31 July 2012, 11:12
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#5
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Member
Country: UK - Scotland
Town: Glasgow
Boat name: snagglepuss
Make: Shetland
Length: 6m +
Engine: 90 hp Outboard
Join Date: Nov 2011
Posts: 562
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do you mind me asking why? these have serious known problems!!!
Dave
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15 August 2012, 23:19
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#6
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Member
Country: UK - Scotland
Town: north ayrshire
Boat name: charlie girl
Make: S/R5.4/regal3760
Length: 10m +
Engine: Suzukidf70 2x6lp 315
Join Date: Jul 2009
Posts: 3,745
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buy a 3.0l petrol the money you save on repairs will put the fuel in it these are v troublesome engines
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21 August 2012, 18:52
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#7
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Member
Country: Germany
Town: Hamburg
Boat name: Der Delphin
Make: Parker
Length: 6m +
Engine: Inboard Diesel 120HP
Join Date: Dec 2008
Posts: 171
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Quote:
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Originally Posted by beamishken
buy a 3.0l petrol the money you save on repairs will put the fuel in it these are v troublesome engines
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do you have examples?
I have one in my Parker 630, doing abt 150h per year for the 3rd year and nil trouble
Jan
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22 August 2012, 07:44
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#8
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Member
Country: UK - England
Town: Salcombe, Devon, UK
Boat name: BananaShark
Make: BananaShark
Length: 10m +
Engine: 2xYanmar 260 diesels
Join Date: Mar 2003
Posts: 4,225
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The wastegates stick resulting in overboosting the engine and a holed piston.
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Cookee
Originally Posted by Zippy
When a boat looks that good who needs tubes!!!
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22 August 2012, 08:07
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#9
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Member
Country: France
Town: Côte d'Azur
Boat name: Beaver Patrol
Make: Avon Searider SR4
Length: 4m +
Join Date: Jan 2004
Posts: 5,934
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I had one of these go bang. Total rubbish. The dealer who did the repairs (which they partly paid for) said the problems were very widespread and said the engine was only ever designed to do 1000 hours. Unfortunately ours only got to 15 hours!!
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22 August 2012, 19:23
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#10
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Member
Country: UK - England
Town: east cowes
Make: academic
Length: no boat
Engine: fresh air
MMSI: N/A
Join Date: Sep 2003
Posts: 543
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Quote:
Originally Posted by Cookee
The wastegates stick resulting in overboosting the engine and a holed piston.
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two different issues.
Holey piston, No 3 piston, incorrect spray pattern from injector.
Wastegate, stuck closed, overboosting, stuck open, (me) no boost and long slow drive home.
On the whole though, so long as you knew what you were dealing with an knew the injector problem was fixed, (the most unfogivably serious issue), I thought these engines were ok.
My two penneth
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22 August 2012, 19:26
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#11
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Member
Country: Germany
Town: Hamburg
Boat name: Der Delphin
Make: Parker
Length: 6m +
Engine: Inboard Diesel 120HP
Join Date: Dec 2008
Posts: 171
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Quote:
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Originally Posted by nik
two different issues.
Holey piston, No 3 piston, incorrect spray pattern from injector.
Wastegate, stuck closed, overboosting, stuck open, (me) no boost and long slow drive home.
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Heard about the wastegate issue.
Any known preventive maintenance?
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22 August 2012, 19:34
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#12
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Member
Country: UK - England
Town: east cowes
Make: academic
Length: no boat
Engine: fresh air
MMSI: N/A
Join Date: Sep 2003
Posts: 543
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Quote:
Originally Posted by dnv
Heard about the wastegate issue.
Any known preventive maintenance?
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I happened to me once.
If I still had the boat and it happened again, I would either fit a boost gauge to indicate overboosting, or shut it entirely and look for an alternative to fit, like a poppet valve.
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22 August 2012, 19:54
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#13
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Member
Country: UK - England
Town: Southampton
Boat name: Seahawk 3
Make: Parker 6.3
Length: 6m +
Engine: 1.7 Mercruiser
Join Date: Jun 2011
Posts: 39
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I also have this engine in my Parker and have experienced this problem first hand. Infact its thanks to this forum that I spotted the siezed waste gate, which resulted in having to replace the turbo. Every now and then I get my brother to put his hand round the back of the engine on the push rod attached to the waste gate whilst I throttle up just to check its moving free and easy. This is obviously not a good idea when the engine is hot or in a lumpy sea. The best way to make to stay on top of it is to fit a boost gauge - I just haven't gotten round to it yet  . One of the machanics at Mercruiser recommended spraying fogging oil in to the aircleaner at the end of the season which should lubricate the wastegate. You can't really lubricate from the outside because of the fire blanket which covers it all.
Apart from this, its been a great engine (touch wood) and I've heard of these engines doing 4000 hours +. I think the early ones with the faulty spray pattern gave them a slighly bad rep. They just need a bit of TLC
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23 August 2012, 10:41
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#14
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Member
Country: UK - Scotland
Town: Glasgow
Boat name: snagglepuss
Make: Shetland
Length: 6m +
Engine: 90 hp Outboard
Join Date: Nov 2011
Posts: 562
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Mates boat: Wastegate stuck open, new turbo was fitted and 3 weeks of swearing and no boating whilst I was enjoying myself.
Note to self: buzzing around your mates who have dodgy mercruiser diesel engines who are limping home is only funny for me. 
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23 August 2012, 21:52
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#15
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Member
Country: UK - Scotland
Town: north ayrshire
Boat name: charlie girl
Make: S/R5.4/regal3760
Length: 10m +
Engine: Suzukidf70 2x6lp 315
Join Date: Jul 2009
Posts: 3,745
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no one mentioned the heat exchangers and intercoolers that rot away & the camshafts that can twist out of sync because they are not one piece items!!
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23 August 2012, 22:09
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#16
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Member
Country: UK - England
Town: east cowes
Make: academic
Length: no boat
Engine: fresh air
MMSI: N/A
Join Date: Sep 2003
Posts: 543
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Quote:
Originally Posted by beamishken
no one mentioned the heat exchangers and intercoolers that rot away & the camshafts that can twist out of sync because they are not one piece items!!
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Really?
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