Cycle Craft Carburetor Metering Jet

Cycle Craft Carburetor Metering Jets: Precision Fuel Delivery for Classic & Custom Motorcycles

When it comes to dialing in the air-fuel mixture on a carbureted motorcycle, few components carry as much influence as the carburetor metering jet. This small, precisely machined orifice governs how much fuel enters the engine at various throttle positions — and getting it right is the difference between a crisp, responsive throttle and a bike that bogs, stumbles, or runs rough. Cycle Craft has built its reputation in the custom and classic motorcycle community by offering aftermarket parts engineered to exacting tolerances for riders who won't settle for "close enough."

Built for the Classic and Custom Motorcycle Community

Cycle Craft focuses squarely on the machines that demand the most from their riders and builders — Harley-Davidson Sportsters, Triumph Bonnevilles, Yamaha XS650s, and other carbureted classics that form the backbone of the chopper and bobber scene. Their carburetor metering jets are designed as direct-fit replacements and tuning solutions for these beloved platforms, where OEM jets may no longer be available or where performance modifications demand a different fuel curve.

Whether you're running a stock Keihin CV carburetor on an Evo-era Sportster, a vintage Amal unit on a British twin, or a performance carburetor on a custom build, proper jetting is essential. A jet that is too lean runs the risk of heat damage and detonation; one that is too rich saps power and fouls plugs. Cycle Craft's metering jets give builders the ability to tune incrementally and precisely, without guessing.

Why Metering Jets Matter on Modified Bikes

Any modification that changes airflow through the engine — a high-flow air filter, a performance exhaust, a camshaft swap, or even a change in altitude or climate — can shift the ideal jetting away from the factory specification. Cycle Craft's selection of 17 carburetor metering jet SKUs gives tuners the range they need to address both main circuit and pilot circuit jetting across a variety of carburetor types common on American and European classics.

• Incremental sizing: Multiple jet sizes allow fine-tuning in small steps, critical for achieving the ideal air-fuel ratio without overshooting.
• Broad platform coverage: Designed to fit popular carburetors found on Harley-Davidson, Triumph, Yamaha XS650, and similar carbureted classics.
• Aftermarket-friendly: Compatible with both stock and performance carburetor setups, making them equally useful for restorations and custom builds.
• Precision machined orifices: Consistent bore dimensions ensure repeatable, predictable fueling behavior across the RPM range.

A Trusted Name in the Chopper and Bobber World

Cycle Craft has earned its place alongside the most respected names in the custom motorcycle parts segment. Their focus on vintage American and British platforms means their carburetor metering jets are developed with real-world applications in mind — not just catalog filler. For builders restoring a vintage Harley or building a bespoke chopper from the ground up, having access to a reliable, well-specified jet assortment from a marque that understands these machines is invaluable.

Browse the full carburetor metering jet category to explore sizing options, or visit the Cycle Craft brand page to discover the complete range of parts Cycle Craft offers for your classic or custom build.