TB Foam Dual Layer Air Filter Sleeve – 49mm Tbw9555 and it exhibits a light

and it exhibits a light throttle response

This however causes a high idle and allows too much air through the bypass passage

Compression ratio: 13

It helps reduce compression to avoid engine knock

and suitable for use in all non-safety critical areas

TB Foam Dual Layer Air Filter Sleeve – 49mm Tbw9555 and it exhibits a lightTB Foam Air filter, Dual Layer, Sleeve 49mm TB Parts sleeve style 49mm, foam air filter. Comes with prefilter. 4. 5 length. Fits Nibbi Carbs 26 30mm & PE28s Key Features: Intake size 49mm Dual Layer & included prefilter Includes correct hose clamp For use with Nibbi 26, 28, & 30mm, and PE28 carbs Great for use on KLX140s when you delete the factory Air box Matching Outerwears Pre Filters Part number TBW1982