It stands for Flying Machine Factory
It stands for flying machine factory.
fmf
how cam you download a fmf cleance certificate
the fmf power core 4 will give you the most bang for your buck
One can purchase an FMF exhaust system directly from FMF's website, or through another authorized retailer such as MotoSport or JC Motors. It is not recommended to buy an FMF exhaust from a secondary source, due to a lack of warranty coverage.
75mph
No
here's a good list of exhaust and silencers you can put on your rm80/85: FMF fatty, FMF SST, FMF Factory Fatty (copied version of Fatty), FMF Shorty silencer, FMF Powercore 2 silencer, FMF turbine core 2 (trail riding and neighborhood riding Pro Circuit Platinum, Pro Circuit Platinum 2, Pro Circuit 304 Shorty Silencer, Pro Circuit Spark Arrestor Silencer(neighborhood and trail riding), Pro Circuit 304 factory silencer
the speed and sound
no they are not
1994 YZ250 with an FMF fatty and it is FAST!
bore kit, full fmf pipe, k&N air filter, fmf or v-force reeds and different sprokets