2006 BIG DOG MOTORCYCLES MASTIFF, SOLD SOLD SOLD. This unit has been sold. 2006 Big Dog Mastiff softail. 117 S and S polished engine, Baker 6 speed transmission, right side belt drive, Super Trapp exhaust, Ness mirrors, and factory upgrade graphics package. Bike is in excellent condition. Just serviced, inspected, and test driven by a certified Big Dog trained tech. Ready for summer riding. 42 additional detailed photos available upon request. Phone Steve Butcher toll free at 866 915-3960. All bikes shown by appointment.