Hi all, I have an interesting situation with my transmission. I would like to share it with you and get some opinions.
I have a Yanmar 3HM35F engine with a Kanzaki KBW10 transmission. I need to replace this transmission because it's been malfunctioning. Someone near me has a new Kanzaki KM3P for sale. I believe the mounting flange is the same shape and size, so physically mounting this transmision would be possible. However, this transmission has a different gear ratio than my old transmission. My old transmission has a gear ratio of 2.14 (2.50 in reverse) and the new transmission has a gear ratio of 2.61 (3.16 in reverse). Since the gear ratio of the new transmission is higher, the prop would turn more slowly. But I believe it would be safe. Do you agree that it would be safe to use a transmission with a higher gear ratio? Or, do you see something important I'm missing? Other specs of the two transmissions are identical. Notably, the rotation direction of the two transmissions are the same. Any comment is greatly appreciated. Olivier Chatot C&C 38-3
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