TR690— This larger sized, extra sturdy unit was used in heavier types similar to the Outback and Legacy. Unlike the TR580, the chain usually rotates in the identical course, although the ahead/reverse collection assembly from the intermediate housing handles the route shift. The CVT gearbox was 1st patented in 1886 https://kyleryfiji.pages10.com/gearbox-cvt-no-further-a-mystery-69505229