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Old 02-18-2009
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Join Date: Aug 2006
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Some engines allow you to bolt on different size pulleys, a small one for your water pump, a big one for your alternator. The pully on our MD17 that runs the primary alternator must be 10 to 12 inches in diameter. Even then, I run the motor at a high rpm when its putting out the amps to reduce belt wear. I don't know how hard it would be to modify your bracket to switch to a small case single foot alternator. Perhaps you could borrow one and see how well it matches up?
S.V. Nikko
1983 Fraser 41
La Conner, WA

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Boating for over 25 years, some of them successfully.
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