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1977 Manufacturers
Riders
Results
Suzuki XR22(RG500)
2st/S4
Suzuki XR14(RG500Ⅱ)
2st/S4
Yamaha OW35(YZR500)
2st/L4
Yamaha 1H4(TZ350D)
2st/L2
Yamaha 1X2(TZ750D)
2st/L4
Suzuki XR22(RG500)2st/S4
Suzuki XR14(RG500Ⅱ)2st/S4
Yamaha OW35(YZR500)2st/L4
Yamaha 1H4(TZ350D)2st/L2
Yamaha 1X2(TZ750D)2st/L4