MTX 436 Hornet Lightweight Steel Front Sprocket #520 size:13 Tooth self-contained system can also be

self-contained system can also be worn under a motorcycle jacket

Frame Plug rear LHS and RHS

FMF-041612

this kit includes the below for your YAMAHA WR250F 15-19 / YZ250F 15-19:

so it works on almost anything with a wheel

MTX 436 Hornet Lightweight Steel Front Sprocket #520 size:13 Tooth self-contained system can also beMTX Hornet front sprockets are a lightweight performance alternative to OEM sprockets. Featuring self cleaning mud grooves between the teeth for extended chain and sprocket life, with lightening holes to reduce rotational mass the Hornet series is designed for champions. CNC machined from case hardened Chromoly steel and fully heat treated for maximum strength and durability. Fully heat treated for maximum strength and durability Lightening holes