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Old 01 December 2011, 13:52   #1
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possible stator problem?

alright lads

been told that my engine might have a problem in the high speed output of the stator its a mariner mercury 90hp 2 stroke and wont let me rev her full out (backs off after half throttle) changed coils, sparkes etc

anyone know how to test this theory out?

leigh
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Old 01 December 2011, 13:56   #2
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speak to your local merc/mar dealer and ask if he will look in the manual and give you the figures, good luck
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Old 01 December 2011, 15:02   #3
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You need a DVA Meter to test the output on the stator. There is a resistance test you can do as well, but you have to check the voltage coming out with a DVA meter.
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Old 01 December 2011, 16:21   #4
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Linky

Read from post #60 onwards.
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Old 02 December 2011, 06:35   #5
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anyone know where i can get the high speed stator from?
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Old 02 December 2011, 09:17   #6
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You probably can't, it's normally one lug on the whole stator with a coil on it. The coil is likely to be encapsulated also. It is possible to break open the encapsulation (with care) and you'll find a bobbin in there with the faulty windings on it. The bobin can be removed and the coil rewound, refitted and re-encapsulated. Suitable winding wire can be purchased from the Scientific Wire Company, Essex, Tel No. 01371 238013

To make this clear, this is a seriously determined effort not to have to pay for a replacement stator and if you fek it up your stator will be scrap.... but I have successfully done this. Bear in mind though that it'll probably be scrap anyway if the high speed charge coil is U/S.

However, I don't know your motor, you may be lucky and have separate coils, in which case you can likely replace or rewind the appropriate coil. Good luck.
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Old 02 December 2011, 14:50   #7
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I'm sure the stator, I had the very same problem. Check its advancing as well
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Old 03 December 2011, 03:42   #8
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not wanting to confuse or cost you any more money, but in the past ive had trouble with mercury cdi units causing the same problem
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