Extended Air-Fuel Mixture Screw & Idle Adjuster Kits for PZ26 / PZ27 / PZ30 Carburetors
Upgrade your carburetor tuning experience with these modified extended-length adjustment screws. Designed specifically for PZ26, PZ27 and PZ30 series carburetors, the longer shaft makes fine adjustments easier and more precise — especially useful when the carburetor is installed on the motorcycle and space is limited.
Available Kits
- Air-Fuel Mixture (Pilot) Screw Kit– Thread: M6 × 0.75 Controls the air-fuel ratio at idle and low throttle openings for smoother running and better throttle response.
- Idle Speed Adjuster Screw Kit– Thread: M4 × 0.6 Allows precise control of engine idle RPM.
Both kits feature an extended design compared to original short screws, enabling quick hand adjustment without the need for a screwdriver in many cases.
Key Features
- Extended length for easier fingertip adjustment
- Precision-machined threads for accurate and stable settings
- Durable metal construction with surface treatment for corrosion resistance
- Direct replacement / upgrade for stock short screws
- Includes necessary spring and sealing components (depending on kit)
- Improves idle stability and low-speed drivability
Compatible Models
- Honda CG series & clones: CG125, CG150, CG175, CG200, CG250
- Honda / Brazilian models: NXR125, NXR150, Titan125, Titan150, Titan99, Titan2000, Fan125, Fan150
- Other motorcycles and ATVs using PZ26, PZ27 or PZ30 carburetors
Why Choose Our Kits?
As a professional manufacturer based in China, we produce these carburetor adjustment components under strict quality control. Our extended screws are trusted by mechanics and riders worldwide for reliable fitment and long service life. Ideal for street, off-road and performance tuning applications.
Installation Tip Gently seat the screw, then back it out the recommended number of turns (typically 1–2 turns for mixture screws as a starting point). Fine-tune with the engine warm for best results. Always refer to your specific carburetor specifications.