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08 June 2013, 10:55
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#1
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Member
Country: UK - Scotland
Town: aberdeen
Boat name: my rib
Make: avon
Length: 4m +
Engine: petrol
Join Date: Aug 2012
Posts: 50
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Yamaha tilt and trim problem
My Yamaha 40 hp tilt and trim has recently started working slowly and then stopping completely and then all that can be heard is clicking. I checked the battery, which still seems to be ok and spinning the starter over with ease, checked all the appropriate connections and cleaned them. I decided to lift it manually, started to remove the starter, on loosening the bolts, browny colour fluid came out, so I tightened the bolts back up, tried the switch and then it was working again. Following day I tried it several times, then again it started slowing down then stopped again and back to just clicking. I'm starting to think that maybe my motor is the problem and if so, does anyone know where I could obtain an after market motor, as was quoted nearly £800 for a replacement and don't really want to change it if this might not even be the problem.
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08 June 2013, 11:02
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#2
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RIBnet supporter
Country: UK - England
Town: Warwickshire
Boat name: Impulse
Make: Ribcraft
Length: 5m +
Engine: Suzuki 140
Join Date: Sep 2011
Posts: 1,020
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Have you topped up the hydraulic fluid reservoir?
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08 June 2013, 11:07
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#3
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Member
Country: UK - Scotland
Town: aberdeen
Boat name: my rib
Make: avon
Length: 4m +
Engine: petrol
Join Date: Aug 2012
Posts: 50
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no i have not, but would the motor not still be working, just not lifting?
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08 June 2013, 11:14
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#4
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RIBnet supporter
Country: UK - England
Town: Warwickshire
Boat name: Impulse
Make: Ribcraft
Length: 5m +
Engine: Suzuki 140
Join Date: Sep 2011
Posts: 1,020
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Quote:
Originally Posted by earthdog1970
no i have not, but would the motor not still be working, just not lifting?
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When I first got my boat same happened slowed up and then stopped. Worth a try before forking out on a new unit. Check the reservoir and if it is low top it up
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08 June 2013, 13:39
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#5
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Member
Country: UK - Scotland
Town: aberdeen
Boat name: my rib
Make: avon
Length: 4m +
Engine: petrol
Join Date: Aug 2012
Posts: 50
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OK thanks for that ,i have some on the way and when i get it will give that a try.would still like to source a cheaper motor just in case if anyone can help.
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08 June 2013, 15:16
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#6
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Member
Country: UK - England
Town: southampton
Make: ribeye
Length: 6m +
Engine: 140 suzuki
Join Date: Jul 2006
Posts: 341
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Do these electric motors have brushes, if so maybe new ones.
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08 June 2013, 15:37
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#7
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Member
Country: UK - Scotland
Town: aberdeen
Boat name: my rib
Make: avon
Length: 4m +
Engine: petrol
Join Date: Aug 2012
Posts: 50
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yes I guess they would have, but the hard part would be getting hold of them.
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09 June 2013, 15:33
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#8
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Member
Country: UK - Scotland
Town: aberdeen
Boat name: my rib
Make: avon
Length: 4m +
Engine: petrol
Join Date: Aug 2012
Posts: 50
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Yamaha tilt and trim problem
(NOT SO GOOD),turning but very slowly one way and a bit better the other can anyone help with finding a replacement .
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09 June 2013, 18:07
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#9
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Member
Country: UK - Scotland
Town: Easdale
Boat name: Miss Isle
Make: Solent 6.9
Length: 6m +
Engine: 225 optimax
Join Date: Jan 2008
Posts: 1,427
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I'd bleed it first. Mine was exactly the same, bigger motor, topped it off and bled it a few times all good now
Sent from my iPad using Rib.net
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09 June 2013, 21:43
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#10
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Member
Country: UK - England
Town: southampton
Boat name: hydradrive
Make: yamaha
Length: no boat
Engine: sterndrives
Join Date: Sep 2012
Posts: 290
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Quote:
Originally Posted by neil.mccrirrick
I'd bleed it first. Mine was exactly the same, bigger motor, topped it off and bled it a few times all good now
Sent from my iPad using Rib.net
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Sounds like the brushes any electric motor works can source an replace these .
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09 June 2013, 22:41
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#11
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Member
Country: UK - Scotland
Town: Aberdeenshire
Boat name: Sula
Make: Ribcraft 4.8m
Length: 4m +
Engine: Tohatsu 70hp + aux
MMSI: 235087213
Join Date: Jun 2007
Posts: 4,650
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Sounds like work carbon brushes. Had a similar issue with my Tohatsu. Change rubber 'o' rings as a matter of course. Motor housing looks particularly corroded - would be worth treating that while you're sorting it.
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10 June 2013, 00:25
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#12
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Member
Country: UK - England
Town: Thame
Boat name: Free-Flow
Make: Shearwater 6.8
Length: 6m +
Engine: Suzuki 175
Join Date: Mar 2012
Posts: 318
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Quote:
Originally Posted by spartacus
Sounds like work carbon brushes. Had a similar issue with my Tohatsu. Change rubber 'o' rings as a matter of course. Motor housing looks particularly corroded - would be worth treating that while you're sorting it.
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Had a very similar problem with my yam 100 - see an earlier thread and photo. Turned out it was the tilt motor housing corroded and so the magnets were loose inside. The motor would start off tilting, then get slower and slower till it stopped. Yamaha do sell the housing alone, but it was still around £300.
If you do a search on fleabay, there is a guy in America that advertises trim motors for a very good price, but you would need to be able to wait for it to arrive.
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10 June 2013, 10:16
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#13
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Member
Country: UK - England
Town: Beckenham
Boat name: Lavanco
Make: Birchwood
Length: 7m +
Engine: I/O diesel
Join Date: Feb 2012
Posts: 10
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Had this problem with my 40hp Yam, the motor had corroded and the magnets were loose, stripped it and cleaned the inside of the housing araldited the magnets back replaced the brushes and screws for the brush holders. The brushes I cut down from some on a starter motor that were slightly bigger, cleaned the commutator and used RTV for rebuilding .All working fine again.
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10 June 2013, 10:25
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#14
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Member
Country: UK - Scotland
Town: Aberdeenshire
Boat name: Sula
Make: Ribcraft 4.8m
Length: 4m +
Engine: Tohatsu 70hp + aux
MMSI: 235087213
Join Date: Jun 2007
Posts: 4,650
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Quote:
Originally Posted by Bucksribster
Had a very similar problem with my yam 100 - see an earlier thread and photo. Turned out it was the tilt motor housing corroded and so the magnets were loose inside. The motor would start off tilting, then get slower and slower till it stopped. Yamaha do sell the housing alone, but it was still around £300.
If you do a search on fleabay, there is a guy in America that advertises trim motors for a very good price, but you would need to be able to wait for it to arrive.
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I'm sure it can be repaired. Unless the armature is damaged or the magnets (housing) are loose it can be done. I've done the same job myself with a Tohatsu. They don't sell the carbon brush kits anymore - but I repaired it with brushes for a Honda CBR125 and a spring from Meccano!
Original thread here: http://www.rib.net/forum/f36/twatsoo...p-38278-3.html
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10 June 2013, 18:26
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#15
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Member
Country: UK - England
Town: Thame
Boat name: Free-Flow
Make: Shearwater 6.8
Length: 6m +
Engine: Suzuki 175
Join Date: Mar 2012
Posts: 318
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Quote:
Originally Posted by spartacus
I'm sure it can be repaired. Unless the armature is damaged or the magnets (housing) are loose it can be done. I've done the same job myself with a Tohatsu. They don't sell the carbon brush kits anymore - but I repaired it with brushes for a Honda CBR125 and a spring from Meccano!
Original thread here: http://www.rib.net/forum/f36/twatsoo...p-38278-3.html
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In my case, not only were the magnets loose, but the housing was completely corroded through Surprising it worked at all, as it must have been full of water.
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10 June 2013, 18:36
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#16
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Member
Country: UK - England
Town: Wirral & Caernarfon
Boat name: That's Enuff
Make: Revenger & Avon SR4
Length: 7m +
Engine: Honda 150HP & 50HP
Join Date: Jul 2011
Posts: 4,423
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Quote:
Originally Posted by Bucksribster
In my case, not only were the magnets loose, but the housing was completely corroded through Surprising it worked at all, as it must have been full of water.
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hmmmmm..... i would agree, that does look a like a touch of corrosion, better to fix it on the bench than get stuck out on the wet stuff
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11 June 2013, 11:04
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#17
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Member
Country: UK - Scotland
Town: aberdeen
Boat name: my rib
Make: avon
Length: 4m +
Engine: petrol
Join Date: Aug 2012
Posts: 50
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Yamaha tilt and trim problem
Well thanks to you all. After looking over everything you have all posted and faced with the cost of a new motor, I finally got up the courage to take the motor off and go in to it, as you can see it was bad but not as bad as it could have been, but how it was still running on and off I do not know. Got it off and apart, tipped out the water and got on with cleaning it. Spent a bit of time on the inside and outside, got it back together, gave it a paint and wow what a difference, its now spinning like a new one! Thanks everyone for your help.
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11 June 2013, 11:18
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#18
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Member
Country: UK - England
Town: Wirral & Caernarfon
Boat name: That's Enuff
Make: Revenger & Avon SR4
Length: 7m +
Engine: Honda 150HP & 50HP
Join Date: Jul 2011
Posts: 4,423
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Quote:
Originally Posted by earthdog1970
Well thanks to you all. After looking over everything you have all posted and faced with the cost of a new motor, I finally got up the courage to take the motor off and go in to it, as you can see it was bad but not as bad as it could have been, but how it was still running on and off I do not know. Got it off and apart, tipped out the water and got on with cleaning it. Spent a bit of time on the inside and outside, got it back together, gave it a paint and wow what a difference, its now spinning like a new one! Thanks everyone for your help.
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sometimes the hardest part of a job is getting started, well done for sorting it out least now you've got time to keep an eye on ebay etc to see if one comes up cheap you can keep as a spare
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11 June 2013, 11:52
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#19
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Member
Country: UK - Scotland
Town: Acharacle
Boat name: Iolar
Make: Redbay
Length: 6m +
Engine: Suzuki DF175
Join Date: Sep 2012
Posts: 1,047
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V useful post and good pics. I think this is going to be coming round for me soon. Hopefully it'll keep going til the end of the season but the housing on my motor is as corroded as yours, and as previously posted I think the seals are leaking slightly too so I'll probably be looking at an overhaul in the off season.
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11 June 2013, 13:23
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#20
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Member
Country: UK - Scotland
Town: Aberdeenshire
Boat name: Sula
Make: Ribcraft 4.8m
Length: 4m +
Engine: Tohatsu 70hp + aux
MMSI: 235087213
Join Date: Jun 2007
Posts: 4,650
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Corrosion... wow it looks like the German Dornier they've just lifted out of the English Channel!
Glad you got it fixed!
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