Mikuni Style Air Funnel – 40PHH / 44PHH – 50mm Length – Cast/Buffed – Each. #N101.240-R-B. Replacement Alternative for discontinued Mikuni #N101.240. The genuine Mikuni Air Funnels were cast aluminum. This is the closest reproduction available for the genuine Mikuni air funnels! The Outside Diameter of the Original Mikuni and this Air Funnel is 80mm. The Inner Diameter at the Flange is 48mm. Fits Mikuni 40 PHH / 44 PHH Performance Carburetors and many Mikuni / Solex PHH Carburetor applications. Each Carburetor requires two Air Funnels.

Air Funnels are priced individually and sold in pairs. Must purchase in multiples of two. Mounting hardware not included, sold separately.

Note: The Buffed Air Funnels are currently back ordered. Please see the Polished Finish or different length as an alternative. Estimated availability of Buffed Air Funnels Early 2026. We will fill back orders by the earliest order date first.

Also available in Polished Finish #N101.240-R-P

Also available in 75mm length in a Polished finish (#N101.207-R-P) or Buffed Finish #N101.207-R-B and Full Radius Air Funnels in 45mm, 70mm and 80mm are available.

Does Not fit OEM Solex “D” port carburetors.

Air Funnels are also referred to as Velocity Stacks, Air Horns and Trumpets.

Replaces Mikuni part #N101.240

Upgrade Motoring is an Authorized Mikuni Distributor