Yamaha Banshee 350

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The Banshee 350 was an All-Terrain Vehicle (ATV) with a two-stroke engine, produced by Yamaha Motor Company. It was manufactured in Japan and sold in the United States from 1987 to 2006. The Banshee continued its production in Canada until 2008 and in Australia until 2012. The Banshee utilized a-two-stroke twin cylinder Non power valve system|powervalved version of Yamaha's RZ350. The banshee remains as one of the most customized and fastest modified atvs ever produced. Race shops around the country sometimes dedicate themselves to building the banshee into custom drag racers by widening and lengthening the chassis, A arms, swing arms, engine swaps, and turning them into a rolling works of art with chrome, billet, powder coat, and other accessories.


Bore x Stroke: 64mm x 54mm
Compression Ratio: 6.5:1
Drive Train: RWD; Sealed O-Ring Chain
Fuel Delivery: Dual Mikuni 26mm
Ignition: CDI
Starting System: Kick
Transmission: 6-Speed Manual Clutch
Type: 349cc, 2-Stroke, Liquid Cooled, Reed Valve 2 cylinder

Transmission primary ratio: 66/23, 2.869
Transmission 1st gear ratio: 32/13, 2.461
Transmission 2nd gear ratio: 29/16, 1.812
Transmission 3rd gear ratio: 27/18, 1.500
Transmission 4th gear ratio: 25/20, 1.250
Transmission 5th gear ratio: 23/22, 1.045
Transmission 6th gear ratio: 21/24, 0.875
Transmission final ratio: 41/14, 2.929

Brakes / Front: Dual Hydraulic Disc
Brakes / Rear: Hydraulic Disc
Suspension / Front: Independent Double Wishbone, 9.1” w/ 5-way Preload Adjustment
Suspension / Rear: Swingarm with Linkage, 8.7” w/ Rebound, Compression and Threaded Preload Adjustment
Tires / Front: AT21 x 7-10
Tires / Rear: AT20 x 10-9

Dry Weight: 386 Lbs.
Fuel Capacity: 3.2 Gallons
Ground Clearance: 5.3”
L x W x H: 73.0” x 43.3” x 42.5”
Seat Height: 31.5”
Wet Weight: 405 Lbs.
Wheelbase: 50.4”

Lighting: Dual 30W Krypton Multi-reflector Headlights & 21/5W Brake light

Post-2006 production[edit]

Despite being discontinued in the United States after 2006, Banshees were still sold in Canada for the 2007 and 2008 model years.