Cycle Pro 40mm CV Carburetor - 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.
Revitalize your V-twin's performance with the Cycle Pro 40mm CV Carburetor. This is a complete, brand-new reproduction of the OEM Keihin CV 40mm, designed to deliver optimal fuel atomization and throttle response. It comes fully assembled with crucial upgrades and a comprehensive tuning guide, making it an ideal choice for riders looking to restore or improve their carbureted setup.
Why riders pick this
- Brand new, fully assembled 40mm CV carburetor
- Upgraded emulsion tube for better atomization
- Improved slide spring for sharper throttle response
- Complete jet assortment and tuning guide included
- Adjustable idle air mixture screw for fine-tuning
For many V-twin riders, the 40mm CV carburetor is a familiar and reliable component. This Cycle Pro unit takes that proven design and enhances it with modern improvements. The upgraded emulsion tube ensures better fuel atomization, translating to a more efficient burn and smoother power delivery. Paired with an improved slide spring for sharper throttle response, this carburetor is ready to breathe new life into your bike. It's not just a replacement; it's an upgrade designed for riders who appreciate precise control and consistent performance.
Enhanced Fuel Delivery & Response
- Brand new, fully assembled carburetor for immediate installation
- Upgraded emulsion tube for superior fuel atomization
- Improved slide spring for better throttle response
- Complete jet assortment included for main and pilot circuits
- Adjustable idle air mixture screw for fine-tuning
- Includes a full instruction sheet with tuning suggestions
Ready for the Road
Whether you're replacing a worn-out carb or looking for a performance boost, the Cycle Pro 40mm CV Carburetor is built to perform. The included jet assortment and tuning guide empower you to dial in your bike's fueling for your specific setup, ensuring it runs optimally. This carburetor is a bolt-on solution for V-twin motorcycles that utilize a 40mm CV mounting flange, making the upgrade process straightforward for any skilled home mechanic or shop.
Specifications
- Brand: Cycle Pro
- Manufacturer Part #: 30100
- Carburetor Type: CV (Constant Velocity) 40mm
- Length: 8 in
- Width: 8 in
- Height: 2 in
- Weight: 2.2 lbs
- Country of Origin: China (Mainland)
Common questions
Is this carburetor ready to install out of the box?
Yes, this Cycle Pro 40mm CV carburetor comes brand new and fully assembled with upgraded internals, ready for installation. It is not a rebuild or core return.
What kind of tuning is required after installation?
The carburetor includes a complete jet assortment and a tuning guide. Some fine-tuning of the idle air mixture screw and jetting may be necessary to match your specific V-twin engine and exhaust setup for optimal performance.
Will this fit my Harley-Davidson or Indian Motorcycle?
This carburetor is designed to fit V-twin motorcycles that use a 40mm CV carburetor mounting flange. Please confirm your bike's specific requirements before ordering.
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 | 865-01290 |
| WEIGHT | 2.2 lb |
