YAMAHA FS1E RD50 M/MX TY50 M V70 V90 YB100 GENUINE NGK SPARK PLUG AND CAP
RD50 M/MX 1982-1986. YB100 1977-1992. The cap is constructed from sturdy phenolic resin and a rugged rubber material which are very durable and able to withstand high temperatures. Supplied with rubber seals for both ends of the cap.