The Sunworld PE 30mm (4T) carburetor is an aftermarket intake component designed for GY6-type 4-stroke engines (used in scooters and vehicles like the Honda Ruckus GY6). It is responsible for mixing the air and fuel before this mixture is sent to the engine's combustion chamber.
With a 30mm venturi diameter, this carburetor offers a higher air/fuel flow rate than smaller versions (26mm or 28mm), while maintaining a satisfactory flow velocity. This feature allows for:
better mixture distribution
a more linear throttle response
improved performance across a wide engine speed range
The carburetor uses a PE (Progressive Enlargement) design, known for its stable operation and ease of tuning, making it compatible with various setups (sport exhaust, upgraded intake, modified displacement).
This model comes with a standard set of jets, but fine-tuning the main and pilot jets is often necessary to optimize performance depending on the engine configuration, intake, and exhaust ports.
Intake connection: 35mm,
Air filter connection: 50mm,
Main jet type: PWK,
Idle jet type: PWK,
Main jet size: 142,
Idle jet size: 40,
Atomizer: 10,
Needle bush: JCM.
