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1978 Manufacturers
Riders
Results
Suzuki XR27(RGA500)
2st/S4
Suzuki(RG500Ⅲ)
2st/S4
Yamaha OW35(YZR500)
2st/L4
Yamaha 1H4(TZ350E)
2st/L2
Suzuki XR27(RGA500)2st/S4
Suzuki(RG500Ⅲ)2st/S4
Yamaha OW35(YZR500)2st/L4
Yamaha 1H4(TZ350E)2st/L2