Has or can it be done, to change the 1.83 gears in a merc 40 to a 1.71 gear ?
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Has or can it be done, to change the 1.83 gears in a merc 40 to a 1.71 gear ?
You can change it to a 1.63:1
How much difference will that make Jackson? Which 1.63 gears fit into the 40/50 case?