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Starter motor can anyone help


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I have had problems with my 2b ever since I bought it roughly 6 weeks.  I thought the engine had a lot of compression and the starter was finding it hard to turn over.

Today I replaced the starter motor and no change. I replaced the battery and no change.

locked at the connections all look ok.  Cleaned all earth terminals. No change.

voltage is 12.8 volts and turning over is 11.3 volts.

turning over is very slow / hardly turning??????

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If doubling the cable dont forget to double the earth back from the starter to the battery. A pair of jump leads?

Talking of jump leads have you tried connecting a second battery in parallel?

Slow cranking can also be a sign of over advanced ignition.

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10 hours ago, IanS said:

If doubling the cable dont forget to double the earth back from the starter to the battery. A pair of jump leads?

Talking of jump leads have you tried connecting a second battery in parallel?

Slow cranking can also be a sign of over advanced ignition.

I have put jumper cables from my wife's car with it running and its the same.

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11 hours ago, IanS said:

Slow cranking can also be a sign of over advanced ignition.

It's worth considering the point that Ian is making here. I experienced this with a 1380 tuned Mini (many) years ago. Try retarding the ignition timing or, alternatively, crank with the ignition electrically disconnected. If the engine turns freely with no ignition, you'll know it's ignition timing causing the issue.

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