I thought TT250/350 are 43mm? I know TT600s are.
XT 600
plus anything you see here
http://scandalon.com/2009/06/motorcycle-fork-diameter-chart/41 Kawasaki VN-1500A6-A13 (92-99)
41 Kawasaki VN-1500 D1-D2 “Vulcan 1500 Classic” (96-97)
41 Kawasaki VN-1500 E1-E7 “Vulcan 1500 Classic” (98-04)
41 Kawasaki VN-1500 G1/G1A/G2 “Vulcan 1500 Nomad” (99-00)
41 Kawasaki VN-1500J1-J2 “Vulcan 1500 Drifter” (99-00)
41 Kawasaki VN-1500 L1-L5 “Vulcan 1500 Nomad Fi” (00-04)
41 Kawasaki VN-1500N1-N3 “Vulcan 1500 Classic Fi” (00-02)
41 Kawasaki VN-1500R1-R4 “Vulcan 1500 Drifter” (01-04)
41 Suzuki RM-125 L (90)
41 Suzuki RM-125 L (90)
41 Suzuki RM-250 K/L (89-90)
41 Suzuki RM-250 K/L (89-90)
41 Suzuki RMX-250 K/L (89-90)
41 Suzuki RMX-250 K/L (89-90)
41 Suzuki AN-400 K3/K4 (03-04)
41 Suzuki GSF-400 M/N/P “Bandit” (91-93)
41 Suzuki GSF-600 ST/SV/SW “Bandit” (96-98)
41 Suzuki GSF-600 ST/SV/SW “Bandit” (96-98)
41 Suzuki GSF-600 SX//SY/SK1/SK2/SK3 “Bandit” (99-03)
41 Suzuki GSX-600 FJ “Katana” (88)
41 Suzuki GSX-600 FK/FL/FM “Katana” (89-91)
41 Suzuki GSX-600F N/P/R/S/T/V/W/X/Y/K1/K2/K3/K4 “Katana” (92-04)
41 Suzuki GSX-R600 WN/WP (92-93)
41 Suzuki AN-650 K3-K4 (03-04)
41 Suzuki SV-650 SX/SY/SK1/SK2 (99-02)
41 Suzuki SV-650 S K3-K4 (03-04)
41 Suzuki GSX-750 FK/FL/FM (89-91)
41 Suzuki GSX-750F N/P/R/S/T/V/W/X/Y/K1/K2/K3/K4 “Katana” (92-04)
41 Suzuki GSX-R750 G/H (86-87)
41 Suzuki GSX-R750 M/N (91-92)
41 Suzuki VL-800 K1-K4 “Intruder Volusia” (01-04)
41 Suzuki VX-800 L/M/N/P (90-93)
41 Suzuki VZ-800 V/W/X/Y/K1/K2/K3/K4 “Marauder” (97-04)
41 Suzuki VZ-800 V/W/X/Y/K1/K2/K3/K4 “Marauder” (97-04)
41 Suzuki GS-1100 GKZ/GK2/ GKD/GKE (82-84)
41 Suzuki GSX-1100 FJ “Katana” (88)
41 Suzuki GSX-1100 FK/FL/FM/FN/FP “Katana” (89-93)
41 Suzuki GSX-R1100 G/H/J (86-88)
41 Suzuki GSX-R1100 M/N (90-91)
41 Suzuki GSX-R1100WP/WR (93-94)
41 Suzuki GSX-R1100WP/WR (93-94)
41 Suzuki GV-1200 GLF/GLF2/GLG “Madura” (85-86)
41 Suzuki GV-1400 (85-89)
41 Suzuki VS-1400GLP H/J (87-88)
41 Suzuki VS-1400GLP L/M (90-91)
41 Suzuki VS-1400GLP N/P/R/S/T/V/W/X/Y/K1/K2/K3/K4 “Intruder” (92-04)
41 Suzuki VL-1500 W/X/Y/K1/K2/K3 (98-03)
41 Yamaha YZ-125 W (89)
41 Yamaha YZ-125 W (89)
41 Yamaha YZ-125 A (90)
41 Yamaha YZ-125 A (90)
41 Yamaha WR-200 RD (92)
41 Yamaha WR-200 RD (92)
41 Yamaha YZ-250W/WRW (89)
41 Yamaha YZ-250W/WRW (89)
41 Yamaha YZ-250A/WRA (90)
41 Yamaha YZ-250A/WRA (90)
41 Yamaha YZ-250 WRN (89)
41 Yamaha YZ-250 WRN (89)
41 Yamaha YZ-250 WRW/WRA (89-90)
41 Yamaha YZ-250 WRW/WRA (89-90)
41 Yamaha XT-600 L/LC/N/NC/S/SC/T/TC/U/UC (84-88)
41 Yamaha XT-600 W/WC/EA/EAC/EB/EBC (89-91)
41 Yamaha XT-600 ED/EDC/EE/EEC/EF/EFC/EG/EGC (92-95)
41 Yamaha YZF-600 RG (94-95)
41 Yamaha YZF-600 RG (94-95)
41 Yamaha YZF-600 RJ/RJC (97)
41 Yamaha YZF-600 RJ/RJC (97)
41 Yamaha YZF-600 RK/RKC/RL (98-99)
41 Yamaha XVS-650 AK/AKC/AL/ALC/AM/AMC/AN/ANC/A/AP/APC/AR/ARC (98-03)
41 Yamaha XVS-650 N/NCP/PC/R/RC (01-03)
41 Yamaha XVS-650 ATR/ATRC (03)
41 Yamaha XVS-65 AS (04) “Star Classic”
41 Yamaha XVS-65 S (04) “Star Custom”
41 Yamaha FZR-750RT/RU (87-88)
41 Yamaha FZR-750RT/RU (87-88)
41 Yamaha YZF-750 RF/RFC (94)
41 Yamaha YZF-750 RF/RFC (94)
41 Yamaha YZF-750 RH/RHC/RJ/RJC/RK/RKC (96-98)
41 Yamaha YZF-750 RH/RHC/RJ/RJC/RK/RKC (96-98)
41 Yamaha TDM-850 D/DC/E/EC (92-93)
41 Yamaha FZR-1000 B/BC/D/DC/E/EC (91-93)
41 Yamaha FZR-1000 B/BC/D/DC/E/EC (91-93)
41 Yamaha FZR-1000 T/TC/U/UC (87-88)
41 Yamaha FZR-1000 T/TC/U/UC (87-88)
41 Yamaha YZF-1000 RK (98)
41 Yamaha FJ-1100 L/LC/N/NC (84-85)
41 Yamaha FJ-1100 L/LC/N/NC (84-85)
41 Yamaha XVS-1100 AM/AMC/AN/ANC/AP/APC (00-02)
41 Yamaha XVS-1100 M/MC/N/NC/P/PC/R/RC (00-03)
41 Yamaha XVS-1100 R/RC/AR/ARC/ATR/ATRC/AWR/AWRC (03)
41 Yamaha XVS-1100 S/SC/AS/ASC/ATS/ATSC (04)
41 Yamaha FJ-1200 AD/ADC/AE/AEC (92-93)
41 Yamaha FJ-1200 AD/ADC/AE/AEC (92-93)
41 Yamaha FJ-1200 S/SC/T/TC/W/WC/A/AC (87-90)
41 Yamaha FJ-1200 S/SC/T/TC/W/WC/A/AC (87-90)
41 Yamaha XV17 PCP/PCPC (02) “Road Star Warrior”