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starter motor problem

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Brad_K View Drop Down
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    Posted: June-14-2005 at 7:36am
Hi,
When I try to start the engine the solenoid clicks in but the motor does not engage. After a few hard hits with a hammer it works so I guess it is corroded inside and needs replacing but just want to check there is nothing else I can do to fix the problem.

Cheers
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Brad_K View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brad_K Quote  Post ReplyReply Direct Link To This Post Posted: June-14-2005 at 7:55am
Also is there such a thing as a marine starter motor is is it just a normal auto starter
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Jim_In_Houston View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jim_In_Houston Quote  Post ReplyReply Direct Link To This Post Posted: June-14-2005 at 11:43am
It is a marine duty starter. It could be internal corrosion but I doubt it. It could be just worn out, or low voltage at the solenoid caused by a bad connection, faulty cables, or a low battery could also result in a solenoid that does not freely engage.

If you have a reliable local auto starter repair shop they should be able to test it and rebuild it at a reasonable cost. Do not exchange the starter! Let them know you want THAT starter repaired or rebuilt.

If your engine is a "reverse rotation engine" the starter must also be reverse rotation. Your engine may or may not be reverse rotation. Someone else on the forum will know. In either case you must use a marine duty starter.

The starter is relativly easy to remove from your boat if you have a few hand tools. Be sure to disconnect your battery cable, at the battery, before you begin.

Happy owner of a '66 and a '68 Mustang
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Brad_K View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brad_K Quote  Post ReplyReply Direct Link To This Post Posted: June-14-2005 at 12:25pm
Thanks,

what is the difference between a marine duty starter and a normal car starter motor?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jim_In_Houston Quote  Post ReplyReply Direct Link To This Post Posted: June-14-2005 at 1:11pm
Brad, marine duty starters (and other components of marine duty electrical equiment) are designed so that when they fail and possibly even burn-up, the flames and hot gases are contained and not allowed to escape into your engine compartment where an explosion could be caused by the ignition of fuel and other hydocarbon fumes.

Inboard boat engines operate in a relativly sealed enviornment where fumes may accumulate - not so for auto engines.

It is a very bad and potentially lethal mistake to substitute auto type electrical and fuel systems for marine type systems. Don't do it. Fuel pumps are another good example.

(Technically the expansion of hot gases cannot be contained so the path from the inside of the device to the ambient enviornment is designed to be long enough so that the gases have time to cool below ignition temperatures before they reach the ambient enviornment.)
Happy owner of a '66 and a '68 Mustang
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Brad_K View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brad_K Quote  Post ReplyReply Direct Link To This Post Posted: June-14-2005 at 1:23pm
ok thanks
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billgatesceo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote billgatesceo Quote  Post ReplyReply Direct Link To This Post Posted: June-14-2005 at 11:40pm
I was able to get a direct replacement at my local NAPA for $165.
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64 Skier View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 64 Skier Quote  Post ReplyReply Direct Link To This Post Posted: June-15-2005 at 4:41am
I haven't bought it yet, but this guy said he has a direct replacement for a '64 Interceptor starter (reverse) for about $120.

(800) 753-2242

Good Luck
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Brad_K View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brad_K Quote  Post ReplyReply Direct Link To This Post Posted: June-15-2005 at 8:31am
Thanks but i am in the UK, i got a quote for a new one last night for £280 ($476), or to have mine rewound £80 ($136).
I am going to strip it off this weekend and have it rewound. While i am at it i am also going to replace all the cable.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jim_In_Houston Quote  Post ReplyReply Direct Link To This Post Posted: June-15-2005 at 10:56am
Brad, have them test it before they just go off and rewind it. It is very probably that it may just need bearings. When the bearings wear they allow the armature to come into contact with the field poles. This begins with an undetectable dragging that requires that the starter pull higher than normal amps to get spinning. This is when your battery and cables have to be tip top (a technical term) to spin your starter. As the bearing wear increases the effect of the dragging increases until the armature will no longer turn. Usually armature burnout does not occur unless you run the starter for an extended period like trying to crank an engine that will not start. Even then, the solder may sling out of the commutator and the starter will fail before the armature burns out. A bearing replacement should not be expensive. I would buy a replacment starter from the USA before I spent $400+ (USD) having one rewound. In fact it sounds like you need to start an import CC business! Now me? I want to start selling Vespas! You ship me Vespas and I'll ship you starters! (But not 1 for 1.)
Happy owner of a '66 and a '68 Mustang
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brad_K Quote  Post ReplyReply Direct Link To This Post Posted: June-15-2005 at 11:13am
Shipping from the US is not that exspencive if you can send it by sea and wait 5-7 weeks for it, the problem is the import tax you have to pay, after you have paid tax, VAT and other bits that get added on you end up paying about 30% of the value. A friend of mine in San Diego has just brought me a Clarion CMD4 and i am hoping i do not have to pay the import tax on it as it is a gift.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote andy99san Quote  Post ReplyReply Direct Link To This Post Posted: June-15-2005 at 3:25pm
where did you get your starter quote from i live in uk and had a few starters repaired localy for not too much money also try tv ski in london
they may have a second hand unit
where do you ski by the way?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brad_K Quote  Post ReplyReply Direct Link To This Post Posted: June-16-2005 at 8:15am
That quote was from TVski, we have just started going to Bradwell in Essex, it is by the old nuclear power station. Salt water but is normally reasonable flat.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote john33617 Quote  Post ReplyReply Direct Link To This Post Posted: June-16-2005 at 11:23am
no such thing as a marine starter , all the same , standard rotation go to parts store 30 bucks with lifetime , ccw rotation , cheapest price - http://www.amarket.com/mes337ml.htm
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mrese View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mrese Quote  Post ReplyReply Direct Link To This Post Posted: June-17-2005 at 1:34am
Let's keep our incorrect information to ourselves. There isn't a big difference, but do a little homework and see if you can find the small difference that makes a starter "marine" grade.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote David F Quote  Post ReplyReply Direct Link To This Post Posted: June-17-2005 at 1:04pm
John33617:

Starters in boats are absolutely marine grade. As all the electrical engine components on a marine engine, the unit is sealed to prevent sparks from igniting fuel vapors. Auto starters are not sealed in this manner. Since many boat Owners do not know this small but important fact, there are many marine engines with automotive parts installed that can lead to disasterous results.

List of major marine grade parts that differ from automotive parts (safety wise):

Starter
Fuel pump
Distributor
Alternator/voltage regulator
Carburetor

All are designed to contain sparks or fuel.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote john33617 Quote  Post ReplyReply Direct Link To This Post Posted: June-17-2005 at 2:56pm
no starter is sealed , only difference on a marine starter is the hose clamp , it keeps the top from blowing off , no way to seal an alternator either , they just use a screen to contain the flame
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Brad_K View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brad_K Quote  Post ReplyReply Direct Link To This Post Posted: June-22-2005 at 10:09am
I have just heard from the auto electrics place, my starter is corroded beyond repair but they are supplying me a new marine starter for £140, much better than expected
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