The vented dipstick reduces blowby by allowing excessive crankcase pressure to breathe out of the oil tank, improving engine revving smoothness and fuel economy 🔧.
- Billet dipstick vents excessive crankcase pressure through a PCV-style breather with an oil separator, perforated disc, replaceable filter element and umbrella flapper valve.
- Screws into the factory oil fill spout as a direct replacement.
- Reduces blowby: pressure forced past rings and cylinders is vented from the crankcase into the oil tank and expelled through the breather.
- Fueling tests show decreased oil sump loss, smoother revving and improved MPG.
- Two read methods: FHS (Full Hot Stand) with the bike on the jiffy stand, or FHU (Full Hot Upright) with the bike upright and level.
- Includes two venting options: (1) 1/8 NPT breather with internal porous filter element, (2) quick-disconnect coupler with rubber hose and filter element.
- Important: run hot oil level at approximately 90%–99% full for best results.
- Made in the USA.
- This dipstick does get hot; use a glove when checking oil level.
Installation is simple: thread the dipstick into the oil fill spout and select the venting option that suits your setup. Avoid warming the bike on the kickstand before checking the level, since the oil pick up on the right side of the engine can skew tank readings.
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