Tune It Right. Every Ride!

"Dialed in my carb perfectly on the first try — this little tool made a huge difference in throttle response and idle. Precision adjustment that actually holds its setting ride after ride." - Jake M.

Why Get Our Motorcycle Universal Air/Fuel Mixture Screw Adjuster FCR Carb?

✅ Set It & Forget It Precision: The O-ring design locks your adjustment in place so it stays exactly where you set it, no drift, no guesswork. Numerically calibrated markings give you a reliable tuning reference every time you wrench.

✅ Easy Bolt-On Installation: Comes complete with spring, washer, and O-ring, everything you need right in the box. Clear instructions make installation straightforward even without a shop background.

✅ Lightweight Aircraft-Grade Build: Precision machined from 6061-T6 aluminum, this adjuster is tough enough for hard riding while keeping weight to a minimum. The anodized finish adds a clean, premium look to your carb setup.

⚙️ Specifications:

• Color: Color may vary
• Item Weight: 0.634 ounces
• Material: 6061-T6 Aluminum 
• Compatibility: Fits most common 4-stroke models with FCR carburetors
• Product Dimensions: 6.26" L x 6.14" W x 0.47" H
  

📦 Package Inclusions:

• 1 x Motorcycle Universal Air/Fuel Mixture Screw Adjuster FCR Carb
• 1 x Spring
• 1 x Washer
• 1 x O-Ring