Wc alternators

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Mitch1100
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Wc alternators

Postby Mitch1100 » Wed Aug 21, 2019 1:58 am

Replaced the alternator belt on my R1200s, and the technician was telling me they've had a few Police late model water cooled BMWs where the alternators have failed...around a5k repair! It's actually mounted inside the engine casing between the crankcase and the gearbox and is a $1,500 part plus labor as engine has to be removed and split :shock:
Last edited by Mitch1100 on Wed Aug 21, 2019 11:18 pm, edited 1 time in total.
2009 HP2 Sport...sold
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Humbug
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Re: Wc alternators

Postby Humbug » Wed Aug 21, 2019 4:54 pm

Alternator sits on top of the crankcases at the front of the engine on the 12S, not inside as the technician stated. Four bolts to remove once you have removed the drive belt behind the front cover.
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Mitch1100
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Re: Wc alternators

Postby Mitch1100 » Wed Aug 21, 2019 11:17 pm

Humbug wrote:Alternator sits on top of the crankcases at the front of the engine on the 12S, not inside as the technician stated. Four bolts to remove once you have removed the drive belt behind the front cover.


No, technician was talking about late model water-cooled boxers...my bad :roll: The only pain in the butt is the final drive oil change on the 12s :?
2009 HP2 Sport...sold
2006 R1200s with yellow rim tape
2008 Ducati Monster S4RS Tricolore..sold
2004 R1100s BoxerCup Replika..sold
2006 Subaru WRX STI S204 #318/600
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Neil178
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Re: Wc alternators

Postby Neil178 » Wed Aug 21, 2019 11:34 pm

Water cooled? Where is the swear filter? :)
Is that the final drive oil that never needs changing for the life of the bike? Who on earth thought that was a good idea and signed off on it? Answers on a postcard to the usual address please ...
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Mitch1100
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Re: Wc alternators

Postby Mitch1100 » Thu Aug 22, 2019 12:11 am

Guess the thought is the same with new alternators outlasting the bike. :roll:
2009 HP2 Sport...sold
2006 R1200s with yellow rim tape
2008 Ducati Monster S4RS Tricolore..sold
2004 R1100s BoxerCup Replika..sold
2006 Subaru WRX STI S204 #318/600
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The Teutonic Tangerine
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Re: Wc alternators

Postby The Teutonic Tangerine » Fri Aug 23, 2019 1:05 pm

Neil178 wrote:Water cooled? Where is the swear filter? :)
Is that the final drive oil that never needs changing for the life of the bike? Who on earth thought that was a good idea and signed off on it? Answers on a postcard to the usual address please ...


it's still relatively easy to drain and refill just put 180 ml in not 200 or you'll blow the oil seal
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