This product is suitable for Yamaha DT100 1974-1980, DT125 1975-1981, MX100 1979-1983, RD250 1973-1975, RT180 1990-1998, MX175 1979-1981.. These are dual stage, so you can gain top end power without sacrificing lower end grunt.. Condition: . Color: As pictures shown. Easy to install.. They offer crisper throttle response, and a general overall increase in usable horsepower over the stock reeds..
