Honda Navi Specs, Horsepower & Performance Review
TL;DR What’s Under the Hood: Engine and Powertrain The Navi’s engine is a 109.2cc air-cooled single-cylinder four-stroke with SOHC and two valves, fed by a 16mm carburetor rather than fuel injection (Honda Powersports, 2026). Bore and stroke sit at 50.0mm x 55.6mm with a 9.5:1 compression ratio, numbers that favor low-end torque over high-rpm revving….
