Well, since you can't get an auto clutch for the 690, it's a mute point. My personal experience is its not needed for offroad. I've used an autoclutch/left hand rear brake in my offroad bikes since 02. More than half of those years were spent racing enduros on the west coast/baja. In April I did a long trip in Baja on the 530 where it was beyond reproach. In July I took my newly purchased 10 enduro to the OBCDR, fully loaded, and did very similar riding as I did in Baja. The 690 was, simply put, outstanding. In SE Oregon in rock gardens that kept us to a crawl, the motor just will NOT stall out. I was amazed at how well it did in all types of offroad conditions. I would still buy an autoclutch if available, but it really isn't necessary, in my opinion.