Cycle Pro Mixture Screw - Butterfly Carb - Harley & Indian V-Twin
About Cycle Pro
Cycle Pro supplies replacement and maintenance parts across the V-twin service catalog, covering the routine wear items a shop goes through week to week.
The Cycle Pro Mixture Screw is a precision-machined component designed to fine-tune the fuel-air ratio on V-twin motorcycles equipped with butterfly-style carburetors. This screw allows riders to dial in idle quality and low-throttle response for smoother operation.
Why riders pick this
- Adjusts fuel-air ratio at idle and low throttle
- Direct replacement for butterfly carburetors
- Precision-machined for OEM fitment
- Durable stainless steel construction
When you're chasing that perfect idle or trying to smooth out off-idle transitions on your Harley or Indian V-twin, the mixture screw is your go-to adjustment. This Cycle Pro component offers a direct replacement for the often-worn or hard-to-adjust stock mixture screws on butterfly carbs.
Precision Tuning for Your V-Twin
- Direct replacement for butterfly carburetor mixture screws
- Precision-machined for a perfect OEM fit without modifications
- Durable stainless steel construction for longevity and corrosion resistance
Restoring Optimal Carburetor Function
A properly adjusted mixture screw is crucial for a V-twin's performance, especially at lower RPMs. This Cycle Pro screw helps you achieve that precise adjustment, ensuring your bike runs clean and responsive right off idle. It's an essential part of any carburetor rebuild or tuning session, helping you get the most out of your intake system.
Specifications
- Brand: Cycle Pro
- Manufacturer Part #: 20756
- Weight: 0.1883 lbs
Common questions
What does this mixture screw do?
The mixture screw adjusts the fuel-air ratio at idle and low-throttle conditions, allowing you to fine-tune your V-twin for smoother idle quality and better off-idle response.
Will this fit my carburetor?
This mixture screw is specifically designed for butterfly-style carburetors on V-twin motorcycles. Please verify your carburetor type before ordering to ensure compatibility.
Is installation difficult?
Installation is straightforward. Gently screw it in until it seats, then back it out 1-2 turns as a starting point. Fine-tuning can then be done by ear or with a diagnostic tool at idle.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Cycle Pro |
| TYPE | Intake/Carb/Fuel System |
| SKU | 865-01033 |
| WEIGHT | 0.19 lb |
