- Superior construction for serious power
- Versatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hot
- Features high alumina ceramics for improved heat dissipation and electrical insulation, deep-seated copper core for a wider heat range and a nickel alloy tip for longer life
Yamaha -- CG 50 Jog -- (1990); Yamaha -- PW 80 -- (1983, 1985, 1987, 1989, 1986, 1984, 1988, 1990); Yamaha -- CA 50 Riva -- (1983, 1985, 1986, 1984); Yamaha -- CV 50 Riva -- (1984); Yamaha -- CE 50 Jog -- (1990); Yamaha -- YF60 4-Zinger -- (1987); Honda -- NH 125 Aero -- (1984)