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Dellorto Performance 20.5mm Carburetor Kit for Yamaha Aerox 50 – 100cc / Jog 50cc


Finally! A performance carb kit with an Auto-Choke! Virtually a direct upgrade from the standard 12mm carb found in most Yamaha 50cc and 100cc 2T models.

We’ve put this kit together specially, for super easy install.

Even better, this kit gives you the option of Auto-choke, manual flip choke. The manual cable choke option includes the choke mechanism, cable and the lever unit for a full fitment kit ready to bolt on. Just find a spot to locate the lever and you’re good to go!

Depending on your airbox, some modofication may be required to get the carb inlet to fit inside the airbox outlet as the PHVB inlet is larger than the stock carb. We do also have a Malossi Pod filter available to direct fit this carb, just click the ‘PHVB Tuning Items’ link below to see.

Our PHVB carb kits are available in 2 different sizes, 20.5mm and 22mm. This 20.5mm is ideal for 50cc scooters with 70cc cylinder kits installed.

Main Jet: 6mm (82 installed)

Pilot Jet: 4mm (50 installed)

Needle: M series

Intake OD: 40mm (check your airbox outlet)

Outlet OD: 29mm

CLICK to view PHVB Tuning Items


Dellorto Performance 20.5mm Carburetor Kit for Yamaha Aerox 50 – 100cc / Jog 50cc

Generally, a performance carburetor is bigger than a standard factory carb, which allows the engine to suck more fuel and air – which in turn gives you more power.

The Malossi PHVB carburetor series is designed and manufactured by Dellorto in italy. Malossi have put years of research and development into these carbs, and have chosen the exact specifications of the Dellorto PHVB because of its high quality, performance value and ability to be precision tuned.

This particular carb comes in 3 different kit versions. All three kits come with the same Dellorto PHVB 20.5, Intake Manifold to suit the larger carb and 2 Malossi Airbox Stuffers. The only difference between the 3 kits is the choke mechanism. The Auto-Choke kit comes with a dellorto style choke.

The Manual Choke kit comes with a manual flip choke, which is a great compact little unit which is completely built into a simple lever attached directly to the carb.

The Manual Cable Choke kit comes with the choke mechanism which fits to the carb itself, the cable, and the lever mechanism.

The lever mechanism is a billet alloy barrell with a handy holder which allows it to be easily bolted to a convenient location on either the scooter or the engine. The cable length in this kit is 50cm.

*Performance scooter parts do not come with a warranty*

An essential part of your scooter engine, don’t leave it out of your tuning package.

Additional information

Choke Type

Auto-Choke, Manual Flip Choke, Cable Choke (Full Choke, Cable & Lever Kit Included)