| The Yamaha R1 1999 ModelEngine | | Type | 20 valve , DOHC , liquid-cooled | Cylinder arrangement | Forward Inclined Parallel 4-cylinder | Displacement | 998 cc | Bore x Stroke | 74 x 58 mm | Compression Ratio | 11,8:1 | Maximum power | 150 bhp (110.3 kW)@ 10000 rpm | Maximum Torque | 11 kg-m (108.3 Nm) @ 8500 rpm | Starting System | Electric | Lubrication | Wet sump | Carburation | BDSR40 | Primary Reduction Ratio | 63/43 (1.465) | Secondary Reduction Ratio | 43/16 (2,688) | Clutch type | Multiple disc , Wet | Transmission Type | Constant mesh 6-speed | Gear Ratio 1st | 39/15 (2,600) | Gear Ratio 2nd | 35/19 (1,842) | Gear Ratio 3rd | 30/20 (1,500) | Gear Ratio 4th | 28/21 (1,333) | Gear Ratio 5th | 30/25 (1,200) | Gear Ratio 6th | 29/26 (1,115) | Final Transmission | Chain | Chassis | | Overall Length | 2035 mm | Overall Width | 695 mm | Overall Height | 1095 mm | Seat Height | 815 mm | Wheelbase | 1395 mm | Minimum Ground Clearance | 140 mm | Dry Weight | 177 kg | Frame Type | Deltabox | Caster Angle | 24° | Trail | 92 mm | Fuel Tank Capacity | 18 L | Front Suspension | Upside down telescopic fork | Front Shock Absorber | Coil spring / shock absorber | Rear Suspension | New monocross | Rear Shock Absorber | Coil spring / Gas-Oil damper | Front Wheel | 17 x MT3,50, Aluminum | Front Wheel Travel | 135 mm | Rear Wheel | 17 x MT6,00, | Rear Wheel Travel | 130 mm | Front Brake | Dual discs, 298 mm diam | Rear Brake | Single disc, 245 mm diam | Front tyre | 120/70 ZR17 58W | Rear tyre | 190/50 ZR17 73W |
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