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Old 22 February 2012, 05:01   #1
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Electric start conversion

Hi
Can anyone give me some advice on the follow please
Looking at make life easier and cant afford a new engine.
So im looking at converting my Mariner 30 1991(30m 689-s-232635) to electric start.
Firstly are the recoil engines able to convert.My engine does have teeth on the flywheel and there are a fair few tapped holes that are unused that look if the starter would bolt on.
Think i have found a starter motor here eBay - The UK's Online Marketplace
I know i will need a start button of some description but can anyone point me in the right direction for a solenoid.
Does anyone have the same engine with the starter fitted and could possibly take a picture?
Any help would be greatly appreciated.
Thanks
Pete.
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Old 22 February 2012, 05:33   #2
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Other things might be worth considering:

Choke solenoid (unless you are literally wanting a "start" pushbutton on the engine to make it easier and can use the manual choke?)
Alternator / rectifier (unless you can take the battery home at the end of the day to charge it?)

'fraid I donlt know the intricacies of this engine so can't be much more help.
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Old 22 February 2012, 05:44   #3
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Quote:
Originally Posted by secondopsman
Hi
Can anyone give me some advice on the follow please
Looking at make life easier and cant afford a new engine.
So im looking at converting my Mariner 30 1991(30m 689-s-232635) to electric start.
Firstly are the recoil engines able to convert.My engine does have teeth on the flywheel and there are a fair few tapped holes that are unused that look if the starter would bolt on.
Think i have found a starter motor here eBay - The UK's Online Marketplace
I know i will need a start button of some description but can anyone point me in the right direction for a solenoid.
Does anyone have the same engine with the starter fitted and could possibly take a picture?
Any help would be greatly appreciated.
Thanks
Pete.
Pete
Why don't you give uncle al a pm as an ex mariner engineer I am sure he would assist you.
Cheers
J

Sent from my iPhone using Rib.net
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Old 22 February 2012, 06:27   #4
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if you want to do the choke manually i cant see it going to be to hard to add a starter and solenoid
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Old 22 February 2012, 06:32   #5
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Good points and to update.
I do have a small battery that i use with the inflator so that isnt an issue i could also soon knock a box up to hold it in place and i use the boat when away with the caravan so charging it is no problem.
Choke wise im happy to stick with the manual type.
Thanks again.
Pete

Jambo
Thanks for that and i will drop him a PM.
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Old 22 February 2012, 09:23   #6
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Cool.

I guess there must be a blank somewhere on the casing you could use for the "go" button. My Suz had a blank for an engine mount keyswitch for tiiler control electric start!

It strikes me in this case could you get a battery connector, and if you are knocking up a box for the battery, house the solenoid in there? Then you could use pretty much any solenoid rated for the starter current.

Alternatively, what's the max switching current for an isolator switch?

This is a bit of a tangential thought, but could you wire it so the starter is essentially "D.O.L" (i.e use a big switch instead of a solenoid & small switch) & forget the solenoid & secondary wiring? Then if you have the same connector on the inflator, you have a plug'n'play power pack. Biggest risk in that situation is un-powering the starter quick enough)
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Old 22 February 2012, 10:52   #7
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No blank as such but I have just realised I have a steering console with remotes ect so loads of room for a switch.
Just need to get the wiring from console to the engine but I assume that would go the same route as the remote cables.
Been trolling eBay looking at the possibility of using a stater that matches my ring gear and fabricating a mounting bracket along with a universal solenoid on eBay that's about 20.
Pete
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Old 22 February 2012, 11:07   #8
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The starter should fit just to the right of the carb, put some pics up
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Old 22 February 2012, 11:11   #9
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Will do but can't till Friday as I'm just sat at the airport on my way up scotland.
Cabling ect isn't an issue as we have loads at workJust need to research how to match a starter to my flywheel.
Pete
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Old 22 February 2012, 11:18   #10
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Quote:
Originally Posted by secondopsman View Post
No blank as such but I have just realised I have a steering console with remotes ect so loads of room for a switch.
Just need to get the wiring from console to the engine but I assume that would go the same route as the remote cables.
Been trolling eBay looking at the possibility of using a stater that matches my ring gear and fabricating a mounting bracket along with a universal solenoid on eBay that's about 20.
Pete
I assume your remotes are a fairly simple "deadman only" electrics? If so, I have used trailer cable in the past - You should need a minimum of 5 cores - 1)earth / common 2) +12V 3) "start" 4) choke 5) deadman. This leaves 2 spare, which could be used for a tacho signal or other.

(choke & "go" switches need to be fed from the +12, the switched side going to the solenoid(s), the -ve / earth is needed for the deadman. As they are both there, instrument power supply is also sorted, leaving the two spares for signal cables)


If your remotes are fitted with a neutral microswitch route the "go" supply cable via there to prevent you staring in gear. If not, might be worth two start buttons wired in series at opposite sides of the console just so you have to make a positive and concious decision to spin the starter!
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