Here is a pic of a T305 Raider. Is this what your looks like?
http://www.suzukicycles.org/photos/T/T305/1968_T305_red_ls_450.jpg
T 305 1968
Overall Length: 1 975 mm (77.8 in)
Overall Width: 820 mm (32.2 in)
Overall Height: 1 065 mm (41.9 in)
Seat Height: 780 mm (30.7 in)
Wheelbase: 1 295 mm (51.0 in)
Ground clearance: 152 mm (6.0 in)
Dry Weight: 144 kg (317 lbs)
Engine: 305 cc sleeved aluminum twin 2-stroke, 37 hp/ 7,500 rpm.
Maximum speed: 170 km/h (94 mph). 6 speed transmission.
TC305 Laredo for comparison
http://www.suzukicycles.org/photos/suzuki-history/1968/1968_TC305_450.jpg
TC 305 1968
Overall Length: 1 975 mm (77.8 in)
Overall Width: 820 mm (32.2 in)
Overall Height: 1 065 mm (41.9 in)
Seat Height: 780 mm (30.7 in)
Wheelbase: 1 295 mm (51.0 in)
Ground clearance:
Dry Weight: 144 kg (317 lbs)
Engine: 305 cc sleeved aluminum twin 2-stroke, 37 hp/ 7,500 rpm.
Maximum speed: 170 km/h (94 mph). 6 speed transmission.