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1989 Manufacturers
Riders
Results
Honda NV0H(NSR500)
2st/V4
Honda NV0G(NSR500)
2st/V4
Honda(RS500)
2st/V3
Yamaha OWA8(YZR500)
2st/V4
Suzuki XR75(RGV-Γ)
2st/V4
Suzuki(RGB500)
2st/S4
Cagiva V589
2st/V4
Fior-yamaha
2st/L4
Honda NV0H(NSR500)2st/V4
Honda NV0G(NSR500)2st/V4
Honda(RS500)2st/V3
Yamaha OWA8(YZR500)2st/V4
Suzuki XR75(RGV-Γ)2st/V4
Suzuki(RGB500)2st/S4
Cagiva V5892st/V4
Fior-yamaha2st/L4