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Old 27 June 2010, 07:37   #1
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Replacing regulator

Hi

Having spent the lady couple of hours going over the charging on my rib - yamaha 40hp

I have concluded that the regulator is duff. It's putting out 14.5 vots at the battery on tick over rising to 17.4 volts at 3/4 revs does not go higher at full.

On the asumption that regulator is not doing what it should would you guys change it for a very expensive yamaha regulator or an external dc to dc regulator from say, maplins.

I know morally I should replace the engine Reg but frankly I can't afford it at the moment. Will it kill anything else in the outboard if not changed.

Glenn
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Old 27 June 2010, 09:39   #2
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Originally Posted by Glenn collins View Post
Hi

Having spent the lady couple of hours going over the charging on my rib - yamaha 40hp

I have concluded that the regulator is duff. It's putting out 14.5 vots at the battery on tick over rising to 17.4 volts at 3/4 revs does not go higher at full.

On the asumption that regulator is not doing what it should would you guys change it for a very expensive yamaha regulator or an external dc to dc regulator from say, maplins.

I know morally I should replace the engine Reg but frankly I can't afford it at the moment. Will it kill anything else in the outboard if not changed.

Glenn
It's regulator/rectifier unit, not just a reg. It'll boil your battery and fry your electronics if not changed.

I'd ring Electrex (google them) and see what they can do for you as a motorcycle one will do the job just as well. Around 63 inc postage for a brand new unit. The RR60 unit should do it. The 2 yellows to the 'lighting' coil, red to battery, black to earth.
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