1997 Yamaha Riva Razz
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Technical Specifications |
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ENGINE |
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Type |
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Air-cooled, 2-stroke, single |
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Displacement |
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49cc |
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Horsepower |
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2.7 bhp @ 5500 RPM |
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Torque |
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2.8ft-lb @ 4500 RPM |
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Bore & Stroke |
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40mm x 39.2mm (1.575" x 1.543") |
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Compression Ratio |
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6.3:1 |
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Fuel System |
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Normally aspirated by one Teiki Y12P |
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Valvetrain |
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N/A |
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Ignition system |
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C.D.I., electric start, 12V/4AH battery |
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DRIVETRAIN |
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Clutch |
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Wet-type, centrifugal auto |
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Transmission |
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Single speed automatic |
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Primary reduction |
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Chain |
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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, 26.5 caster angle |
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Overall length |
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60.6" |
1540mm |
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Overall width |
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24.4" |
620mm |
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Overall height |
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38.6" |
980mm |
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Seat height |
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27.8" |
705mm |
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Wheelbase |
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43.1" |
1095mm |
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Ground clearance |
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4.3" |
110mm |
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Dry weight |
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115lb |
52 kg |
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Front suspension |
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Telescopic fork, 1.6" travel (41mm) |
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Rear suspension |
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Unit swing, 2.2" travel (56mm) |
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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 (80mm) |
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Rear brake |
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Leading, trailing, single drum (95mm) |
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WHEELS/TIRES |
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Front wheel |
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10 x 1.5 |
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Front tire |
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2.50-10 4PR |
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Rear wheel |
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10 x 1.50 |
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Rear tire |
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2.50-10 4PR |
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