Other outboard brands followed suit. For example, Evinrude’s SLE gear case is standard on its E-Tec High Output engines. Yamaha’s VMax SHO models have specially engineered SST lower units, and Suzuki ...

Big gears with beefy teeth — that’s what you want in the lower unit of a powerful outboard to help ensure ... A couple of years ago, the engineers at Yamaha Outboards (yamahaoutboards.com) set out to ...