The Yamaha YZF1000 R1 motorcycle was made in 1998 and has a transverse four-cylinder DOHC engine with a capacity of 998cc. It has a compression ratio of 11.8:1 and is liquid-cooled with a wet sump lubrication system. The engine weighs 65.3kg, has 17mm diameter gudgeons, and delivers a maximum power of 148.8 hp at 10,000 rpm. The rear tire power is 138.8 hp at 9600 rpm, and maximum torque is 11.0 kgf-m at 8500 rpm. The bike has a six-speed transmission with a final drive chain, and the frame is twin-spar aluminum.
The front suspension is 41mm inverted telescopic forks, and the rear suspension is the truss-type aluminum swinging arm with a monocross system. The front brakes are two 298mm discs with four-piston calipers while the rear brake is a single 256mm disc with a two-piston caliper. The rims are 3.50-17 in the front and 6.00-17 in the rear. It has a fuel capacity of 18 liters and an average fuel consumption of 17.2 km per liter. The bike’s top speed is 277.2 km/h, and it can do the standing 1/4 mile in 10.3 seconds at a speed of 222.7 km/h. The braking distance from 60-0 is 12.7 m, and from 100-0 is 36.7 m. The seat height is 813mm, and the dry weight is 177 kg while the wet weight is 192 kg. The Yamaha R1 1999 (1998) is a powerful bike with impressive performance capabilities.
Technical specifications:
Make Model: Yamaha YZF1000 R1
| Year | 1998 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. |
| Capacity | 998 cc / 60.9 cu-in |
| Bore x Stroke | 74 x 58 mm |
| Compression Ratio | 11.8:1 |
| Cooling System | Liquid cooled |
| Lubrication | Wet sump |
| Engine Oil | Mineral, 20W/40 |
| Exhaust | Alloy muffler |
| Induction | 4 x 40mm Mikuni CV Downdraft carburetors |
| Ignition | Digital TCI |
| Spark Plug | NGK, CR9E |
| Starting | Electric |
| Additional | Engine weight 65.3kg 17mm diameter gudgeons |
| Max Power | 148.8 hp / 109.5 kW @ 10000 rpm |
| Rear Tyre Power | 138.8 hp @ 9600 rpm |
| Max Torque | 11.0 kgf-m / 108.3 Nm @ 8500 rpm |
| Clutch | Wet, multiple discs, cable operated |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Gear Ratio | 1st 39/15 (2.600) 2nd 35/19 (1.842) 3rd 30/20 (1.500) 4th 28/21 (1.333) 5th 30/25 (1.200) 6th 29/26 (1.115) |
| Frame | Aluminium, twin spar |
| Front Suspension | 41mm inverted telescopic forks |
| Rear Wheel Travel | 135 mm / 5.3 in |
| Rear Suspension | Truss-type Aluminium swinging arm Monocross system |
| Rear Wheel Travel | 130 mm / 5.1 in |
| Front Brakes | 2 x 298mm discs 4 piston calipers |
| Rear Brakes | Single 256mm disc 2 piston caliper |
| Rim Front | 3.50-17 |
| Rim Rear | 6.00-17 |
| Front Tyre | 120/70 ZR17 |
| Rear Tyre | 190/50 ZR17 |
| Rake | 24 degrees |
| Trail | 91 mm / 3.8 in |
| Dimensions | Length 2035 mm / 80.1 in Width 695 mm / 27.3 in Height 1095 mm / 43.1 in |
| Wheelbase | 1395 mm / 54.9 in |
| Ground Clearance | 140 mm / 5.5 in |
| Seat Height | 813 mm / 32.3 in |
| Dry Weight | 177 kg / 390.2 lbs |
| Wet Weight | 192 kg / 423 lbs |
| Fuel Capacity | 18 Litres / US 4.7 gal |
| Consumption Average | 17.2 km/lit |
| Braking 60 – 0 / 100 – 0 | 12.7 m / 36.7 m |
| Standing 1/4 Mile | 10.3 sec / 222.7 km/h |
| Top Speed | 277.2 km/h |
