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Yamaha BWs 12inch - 2011 Specifications and Reviews

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Engine and Transmission Specifications

Transmission type,final driveBelt
GearboxAutomatic
Cooling systemAir
Lubrication systemSeparate lubrication
IgnitionCDI
Bore x stroke40.0 x 39.2 mm (1.6 x 1.5 inches)
Compression7.2:1
Torque3.60 Nm (0.4 kgf-m or 2.7 ft.lbs) @ 6000
Power3.22
Engine typeSingle cylinder, two-stroke
Capacity:49.20 ccm (3.00 cubic inches)

CategoryScooter
Year2011
ModelYamaha BWs 12inch
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter110 mm (4.3 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter180 mm (7.1 inches)
Front brakesSingle disc
Rear tyre dimensions130/70-12
Front tyre dimensions120/70-12
Rear suspension travel70 mm (2.8 inches)
Rear suspensionUnit swing
Front suspension travel70 mm (2.8 inches)
Front suspensionTelescopic fork
Frame typeSteel
 
 

Physical measures and capacities

Fuel capacity5.30 litres (1.40 gallons)
Wheelbase1,172 mm (46.1 inches)
Ground clearance124 mm (4.9 inches)
Overall length1,685 mm (66.3 inches)
Seat height768 mm (30.2 inches) If adjustable, lowest setting.
Power/weight ratio0.0393 HP/kg
Dry weight82.0 kg (180.8 pounds)

Other specs

Factory warranty6 Month (Limited Factory Warranty)
LightDual 30W Krypton Multi-reflector Headlights and 21/5W Brake light
Overall width1,085 mm (42.7 inches)
Overall height1,120 mm (44.1 inches)
Rear tyre25/10-12
Front tyre25/8-12
Rear SuspensionSwing Arm, 7.1” w/ 5-way Preload Adjustment
Front SuspensionIndependent Double Wishbone, 6.3” w/ 5-way Preload Adjustment
Driveline2WD; Yamaha Ultramatic® V-Belt / Forward, Neut.,Rev.
ClutchEngine Braking
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemCarburettor. Mikuni 33mm BSR
Bore x Stroke83.0 x 64.5 mm (3.3 x 2.5 inches)
Compression9.2:1
ModelYamaha Bruin 350
Color optionsGrey
StarterElectric & kick

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