No, the shaft off the motor is facing the back of the bike instead of out towards the left side... and my guess is if you even found a way to put a sprocket/chain setup on there it would be a waste of time and would turn out like crap.. just leave it the way it is, the SX was meant to be like that and it works just fine.
Currently own:
-1987 Honda ATC200X
-1985 Honda ATC250SX
-1985.5 Yamaha Tri-Z (w/86 motor)
-2020 Benelli TnT135
-2014 Yamaha R1 (Team Yamaha)
-2012 Baccio 150cc GY6 Scooter
Previous Trikes:
-1986 Yamaha YTZ250 Tri-Z (my brother "gave away" while storing for me)
-1985/86 Honda ATC250SX
-1979 Honda ATC110
-1985 Yamaha YT60 Tri-Zinger
-1985 Honda ATC70
-1985 Honda ATC70 (Parts Bike w/ extra motor)