Topik

By adopting a hemispherical RFVC (Radial Four Valve Combustion Chamber) which placed its 4 valves in a radial pattern, and a dual carburetor system, it drastically raised its power compared to the former XL-R.

It was the first HONDA's commercially sold motard bike, based on the XR250. It inherited the RFVC air-cooled single engine and the inverted front fork.

Same as the XR, it newly adopted the self starter system. It adopted a Φ 41mm cartridge type front fork and renewed its suspension parts.

It was the succeeding model of the GX which mounted a new engine that had a DOHC head. It was equipped with a YICS and a balancer, and its rear suspension had been upgraded into a mono-cross type.

A bikini cowl was installed and its maximum output had been raised by 3PS. It had a semi-air type front fork, and had its suspension system upgraded.

Though it mounted the same engine as the S250, it slightly reduced its peak power to make it easy to handle. The body components were designed in line with 400, the permanent model type.

XT250 was the first YAMAHA 4-stroke 250cc dual purpose model. It pursued maneuverability for off-road use with its light and compact body.

Its DOHC engine had a compact cylinder head and adopted the YDIS (Yamaha Dual Intake System) that featured two types of carburetors. It had a new link type mono-cross rear suspension.

It came with an aluminum twin spar frame, inverted front fork, and a rear suspension with a rotary damper. It was designed for race use.

It was the replica model of the RVF which won the F3 class race twice in a row. Its V4 engine whose front & rear 2 cylinders were placed in the angle of 90 degrees.