The K&N ATV Air Filter YA-4001 for Yamaha YFM 250 Bear Tracker 250 consists of cotton, with about 40% more air flow, The K&N race filter as much as 60% more compared to a original air filter a Yamaha YFM 250 Bear Tracker 250. The K&N ATV air filter YA-4001 is thinly coated with a special oil to achieve an optimum filtering effect and to grant long service intervals for Yamaha YFM 250 Bear Tracker 250.
By using a K&N air filter the output of Yamaha YFM 250 Bear Tracker 250 and increased fuel consumption can be reduced.