Genuine Honda TRX680FA / FGA Fourtrax Rincon Owners Owner. TRX680FA TRX680FGA TRX680FGA 06/ 03/ 31 15: 47: 18 31HN8640_ 001. Skip to main content.Shop with confidence. Honda TRX680FA FOURTRAX RINCON OWNER’ S MANUAL FOROFF- ROADUSEONLY Thisvehicleisdesignedandmanufacturedforoff- roaduseonly. Manual covers all the topics like: Engine Service, General Information, Transmission, Chassis, Lighting, Steering, Seats, Clutch, [. The vehicle pictured on the front cover may not match your vehicle. Honda trx680fa owners manual. When you own a Honda, you’ re part of a worldwide family of satisfied customers people who appreciate Honda’ s reputation for building quality into every product.