Spark plug connector NGK. Yamaha LB-2M 50 Chappy 1F0 1978. Yamaha LB-2M 50 Chappy 1F0 1979. Yamaha LB-2M 50 Chappy 1F0 1980. Yamaha LB-2M 50 Chappy 1F0 1981. Yamaha LB-2M 50 Chappy 1F0 1982. Yamaha LB-2M 50 Chappy 1F0 1983.
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