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Old 03-14-2010, 12:13 PM   #1
spoondog
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Join Date: Mar 2010
Location: Willsboro NY
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Question Is my generater broke?

My yamaha G1 stopped starting after a month in the cold with out running. When I jump started it, and took the cables off, the motor stopped. Put cables on - start. again quit when booster cables off.
now . my ? is witch wires on the starter/generater do i test?
it should poduce power when moter is runing... right?
I will rewire if i am generating.
whether is getting nicer and would love getting it running again.
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Old 03-14-2010, 01:27 PM   #2
Flintrock
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Location: Central Texas
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Default Re: Is my generater broke?

Coutesy of smallblock450sl, I keep a lot of his stuff...........

The charging circuit consist of the starter/generator, wire harness, voltage regulator and a good battery (that will acept a charge). Disconnect the red and green wires coming out of the starter. Using a volt meter, you should read 5 OHMS (if not, bad charge windings in feild of starter, doesn't happen very often). Now check for continuity (in the wire harness) from the red and green wires from the starter to the voltage regulator connection (if you don't already know, the regulator is on the plastic inner rear fender, just to the right of the battery). if all checks good so far, find a freind with a Yamaha from 1990 to brand new and ask to borrow there voltage regulator for a test (they are all the same). Volt meter on battery,put the cart in nuetral (half way between f/r) and start the cart and rev it up. Your volt meter should read 14.5 to 15.5 volts. Now why your cart isnt starting...still think its a wire harness problem.
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Old 03-14-2010, 01:37 PM   #3
freddmc
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Default Re: Is my generater broke?

Sounds like a dead battery.
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Old 03-14-2010, 01:38 PM   #4
freddmc
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Default Re: Is my generater broke?

--or a bad connection to the battery.
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Old 03-14-2010, 02:46 PM   #5
spoondog
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Join Date: Mar 2010
Location: Willsboro NY
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Talking Re: Is my generater broke?

Quote:
Originally Posted by Flintrock View Post
Coutesy of smallblock450sl, I keep a lot of his stuff...........

The charging circuit consist of the starter/generator, wire harness, voltage regulator and a good battery (that will acept a charge). Disconnect the red and green wires coming out of the starter. Using a volt meter, you should read 5 OHMS (if not, bad charge windings in feild of starter, doesn't happen very often). Now check for continuity (in the wire harness) from the red and green wires from the starter to the voltage regulator connection (if you don't already know, the regulator is on the plastic inner rear fender, just to the right of the battery). if all checks good so far, find a freind with a Yamaha from 1990 to brand new and ask to borrow there voltage regulator for a test (they are all the same). Volt meter on battery,put the cart in nuetral (half way between f/r) and start the cart and rev it up. Your volt meter should read 14.5 to 15.5 volts. Now why your cart isnt starting...still think its a wire harness problem.
THANK YOU

Im on my way out the door to test gen.
but the cart always started with good battery, just not getting charged---thats why im testing gen now. thanxx for info. i will let u know what happens.
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Old 03-14-2010, 03:56 PM   #6
spoondog
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Location: Willsboro NY
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Unhappy Re: Is my generater broke?

I am calling a starter repair shop tomarro.
when i tested the gen it fluxuated between .001 and .030
thanx for all the help with the diognosis.
saved me lots of time
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Old 03-16-2010, 07:52 PM   #7
spoondog
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Red face Re: Is my generater broke?

starter is at the shop and going to cost 50
alot better than a new one at 250!
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Old 03-16-2010, 08:10 PM   #8
sabercat
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Default Re: Is my generater broke?

glad to hear it!
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