1997 Yamaha Riva 125
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Technical Specifications |
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ENGINE |
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Type |
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Air-cooled, 4-stroke, SOHC, single |
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Displacement |
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124cc |
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Horsepower |
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11.4 bhp @ 8000 RPM |
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Torque |
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7.97 ft-lb @ 6500 RPM |
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Bore & Stroke |
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49mm x 66mm (1.929" x 2.598") |
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Compression Ratio |
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10:01 |
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Fuel System |
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Normally aspirated by one Teiki Y22V |
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Valvetrain |
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2 valves per head |
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Ignition system |
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Digital T.C.I., electric start, 12V/7AH battery |
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DRIVETRAIN |
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Clutch |
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Dry, centrifugal automatic |
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Transmission |
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V-Belt auto |
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Primary reduction |
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Helical gear |
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Secondary reduction |
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Spur gear |
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CHASSIS/SUSPENSION |
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Chassis type |
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Steel tube underbone, 27 deg. caster angle |
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Overall length |
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74" |
1880mm |
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Overall width |
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25.6" |
650mm |
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Overall height |
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43.1" |
1095mm |
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Seat height |
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29.9" |
760mm |
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Wheelbase |
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49.2" |
1250mm |
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Ground clearance |
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4.3" |
110mm |
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Dry weight |
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209lb |
95kg |
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Front suspension |
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Bottom-link fork, 3.4" travel (86mm) |
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Rear suspension |
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Unit swing, 2.8" travel (71mm) |
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Shock absorber, front |
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coil spring, oil damper |
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Shock absorber, rear |
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coil-gas spring, oil damper |
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STEERING/BRAKING |
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Steering type |
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Ball bearing |
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Lock to lock angle |
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50 degrees left, 50 degrees right |
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Front brake |
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Leading, trailing single drum (130mm) |
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Rear brake |
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Leading, trailing single drum (130mm) |
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WHEELS/TIRES |
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Front wheel/tire |
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Cast aluminum, MT3.50 x 10 |
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Rear wheel/tire |
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Cast aluminum, MT3.50 x 10 |
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