Yamaha XS400

• Its production span in this library runs from 1977 to 1982.
• The recorded engine description is: 392cc air-cooled four-stroke parallel twin.
• Its strongest comparison scores are styling, reliability, ownership appeal.

Collector interest is strongest where condition, originality and correct period details support the identity of the Yamaha XS400. Its library score for styling is 8/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.

• Confirm the frame and engine identity match the advertised model and year.
• Check cold starting, smoke, oil leaks and unusual mechanical noise.
• Check vibration-related fasteners, primary drive condition and signs of persistent oil leakage.
• Inspect the frame, wheels, brakes and suspension for wear, damage or poor repairs.
• Verify that important model-specific parts have not been replaced with incorrect later components.
• Review the paperwork, ownership history and any restoration invoices before purchase.

you want modern braking, modern refinement and minimal age-related maintenance. The Yamaha XS400 is better chosen for its period character and ownership experience.