Honda CB250 Nighthawk: Production History & Carburetor Specifications

Overview

The CB250 Nighthawk represents one of Honda's longest-running middleweight offerings, maintaining production for over two decades. This standard-style motorcycle served as an accessible entry point for riders seeking Japanese engineering reliability without requiring larger displacement commitments. The Nighthawk nameplate emphasized nighttime visibility and urban commuting practicality during an era when quarter-liter bikes competed seriously in global markets.

Engine & Carburetor System

Powered by a liquid-cooled inline-four engine displacing 250 cubic centimeters, the Nighthawk delivered predictable performance characteristics suited for both new and experienced operators. The Keihin carburetor system proved legendary for durability and tunability, establishing the foundation for extensive aftermarket modification communities. Riders have successfully retrofitted compatible aftermarket carburetor rebuild kits, performance jets, and needle positions to enhance throttle response and mid-range delivery without compromising stock reliability margins.

Production Evolution

From its 1982 introduction through 2008 discontinuation, the CB250 Nighthawk underwent subtle refinements reflecting changing emission regulations and customer preferences. Early models emphasized simplicity and mechanical accessibility. Mid-generation variants incorporated improved cooling and fuel delivery precision. Later production years addressed stricter environmental standards while preserving the mechanical character that defined the lineage. The extended production window reflects steady demand from developing markets and established loyalty among budget-conscious enthusiasts.

Market Position

The Nighthawk competed directly against Japanese and European middleweight standards, consistently outperforming rivals in reliability metrics and resale value retention. Its practical ergonomics and manageable power output made it particularly suitable for urban environments where agility mattered more than outright acceleration.