Yamaha Banshee 350 Service Repair Workshop Manual

This is the COMPLETE Service and Repair Manual for the Yamaha Banshee 350 Service Repair Workshop Manual. It covers every single detail.

Yamaha Banshee 350 Service Repair Workshop Manual PDF The Yamaha Banshee 350 (also known as the YFZ350) is one of the most iconic and coveted sport ATVs ever built. Produced from 1987 through 2006 in the United States (and longer in select international markets), the Banshee became the king of sand dunes, motocross tracks, and weekend play trails thanks to its potent liquid-cooled 347cc two-stroke parallel-twin engine. This engine -- essentially derived from Yamahas RZ350 sport motorcycle -- delivered exhilarating performance with its twin Mikuni carburetors, reed valve induction, and power valve system. Combined with its lightweight chassis, long-travel suspension, and aggressive styling, the Banshee set the performance benchmark that every subsequent sport ATV attempted to match. Even decades after production ended, the Banshee commands a devoted following with an entire aftermarket industry dedicated to extracting even more power from its legendary two-stroke twin. Whether you are restoring an original Banshee to stock condition, building a high-performance sand dune ripper, or simply maintaining a reliable trail machine, accurate factory-level service information is essential for keeping this legendary ATV running at its best. SERVICE AND REPAIR SCOPE - Complete engine disassembly with crankcase splitting procedure - Cylinder head removal, power valve cleaning, and inspection - Piston and ring replacement with power valve carbon removal techniques - Crankshaft removal, bearing and seal replacement with crankcase rebuild - Reed valve inspection and replacement with cage flatness check - Dual Mikuni carburetor removal, cleaning, jetting, and synchronization - Exhaust power valve (YPVS) system adjustment and motor testing - CDI ignition system testing with stator coil resistance measurement - Clutch plate inspection, spring measurement, and basket groove checking - 6-speed transmission disassembly, gear wear inspection, and shift fork check - Oil injection pump adjustment, cable setup, and reservoir servicing - Front A-arm ball joint inspection and bushing replacement - Rear swingarm bearing inspection and replacement - Front and rear shock absorber rebuild with nitrogen specifications - Steering stem bearing replacement with proper preload - Hydraulic front dual disc brake pad replacement and caliper rebuild - Rear mechanical brake service and adjustment - Frame crack inspection and weld repair recommendations - Body panel fitment and mounting hardware replacement TECHNICAL SPECIFICATIONS - Engine Type: Liquid-cooled, 2-stroke, parallel twin, reed valve - Displacement: 347cc - Bore and Stroke: 64.0 x 54.0mm - Compression Ratio: Variable based on gasket (approximately 7.3:1 stock) - Carburetion: Twin Mikuni VM26SS carburetors - Power Valve: Yamaha YPVS (Yamaha Power Valve System) - Ignition: CDI - Transmission: 6-speed with manual clutch - Clutch: Wet multiplate - Front Suspension: Independent double A-arm, 210mm travel - Rear Suspension: Swinga

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