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post #1 of 7 Old 03-26-2012 Thread Starter
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Yanmar 2GM EBay parts

My 1981 Yanmar 2GM starter is beginning to not engage properly and I am looking at replacements. The Yanmar dealer here wants $360.00 and I saw several on EBay much cheaper.

I was wondering if anyone had bought one of these EBay starters and if they were any good. I was also wondering about the Altenators on EBay.

NEW STARTER Yanmar 1GM 1GM10 1GM10C 2GM 2GM20 2GMF | eBay

New Alternator Yanmar 2GM20 2cyl, 38.81ci, 0.636L Dsl | eBay

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post #2 of 7 Old 03-26-2012
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Re: Yanmar 2GM EBay parts

Loss of volts caused by many connections in wiring harness can mimmick starter
problem...check before replacing starter.
Symptoms are press starter button with starter not engageing, then will usually start
after hitting buttom a few times.
This is a well documented/discussed problem with much discussion here on sailnet.
Installing a small auto relay will correct problem.
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post #3 of 7 Old 03-26-2012 Thread Starter
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Re: Yanmar 2GM EBay parts

My starter will spin without engaging (the bendix doesn't kick the starter gear into the fly wheel). I can keep hitting the starter and it finally kicks in, but I am worried about needing the motor and it not kicking in sometime in the future.

I have checked and cleaned the connections and my starting battery is charged, I even tried combining the batteries but it doesn't help.

Will Duncan

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post #4 of 7 Old 03-26-2012
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Re: Yanmar 2GM EBay parts

My opinion (and others I have read), do not buy a starter or alternator made in china. I needed a starter for my 3gmd and bought from yanmar dealer- price not bad. I also wanted a spare alternator- bought a US made one for $30 as compared to yanmar $900. A starter is critical- do not compromise. As other have said, check your wiring. If you do not know where the units are made- do not buy it.
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post #5 of 7 Old 03-26-2012
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Re: Yanmar 2GM EBay parts

I don't know about you, but I think a motor is a terrible place to cut corners. I only buy original equipment Yanmar parts for my 2GMF. That said, you don't have to pay full price.

I have had some good luck (and good service) from Neimiec Marine up in Mass. They are not always the cheapest, but they really know their stuff, and always get me the right parts for my model variation, usually based on my engine's serial number. They have also given me some good advice on what to replace that I hadn't thought of, and talked me out of replacing an expensive part -- and it turns out they were right. I don't have any relationship with them other than as a satisfied customer. Give them a call and talk your plans over with them.

T. P. Donnelly
S/V Tranquility Base
1984 Islander 30 Bahama
Pasadena, MD
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post #6 of 7 Old 03-26-2012
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Re: Yanmar 2GM EBay parts

These guys carry name brand starters and alternators at good prices. Looks like the Hitachi starter for the 2GM is $125.

Spider Marine Electric Supply, Inc.
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post #7 of 7 Old 03-27-2012
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Re: Yanmar 2GM EBay parts

Sounds like the starter bendix is sticking.
Spray some WD40 into the starter bendix.
Give it a try.
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