Yamaha updated the R15's engine and airbox meaningfully between the V2 (149cc) and the V3/V4 generation (155cc), so this isn't a single universal filter, it's a set of generation-specific variants sold under one listing. Select your exact R15 generation when ordering.
Benefits of K&N Air Filter
- Designed to provide increased horsepower and torque
- Pleated cotton gauze media with an application-specific sealing bead
- Washable and reusable, pre-oiled and ready to install
- Million-Mile Limited Warranty