Robin Subaru

By Heather Burlingame, Senior Production Editor | September 28, 2010

The 2:1 clutch-reduction transmission is designed for the company's engines from 4.5 to 13.5 horsepower. The clutch-reduction system gives engines increased torque power by reducing speed capabilities. The PTO shaft seals to separate the engine oil and transmission oil. Stainless-steel springs provide optimal heat resistance and reduce wear, and four solid weights allow consistent engine engagement.