| modifications to the T4 model | ![]() |
| 1993 | 1994 | 1995 | 1996 | 1997 | 1998 |
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| body colour covers | black engine covers | ||||
| weak sprag clutch | large sprag clutch | ||||
| alu color swingarm | black swingarm | ||||
| tubular rear rack | cast rear rack | ||||
| rubber brakehoses | braided steel brakehoses | ||||
| standard springs | heavy duty springs | ||||
| Kayaba fork | Showa fork | ||||
| click ajust rear compression and rebound dampener | continuous ajust | ||||
| Mikuni carbs | Keihin carbs | ||||
| Pimento Red | Chili Red | Volcanic Red | |||
| Caspian Blue | |||||
| Khaki | |||||
| Diabolo Black | Jet Black | ||||
| Khaki Green | British Racing Green | ||||