the pointy end is the bow
Join Date: Aug 2006
Location: La Conner, Washington
Thanked 27 Times in 26 Posts
Rep Power: 11
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?
1983 Fraser 41
La Conner, WA
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Boating for over 25 years, some of them successfully.