Honda NR750 (1992)

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The Honda NR750 (1992) is a motorcycle with a four-stroke, 90-degree V-four oval cylinder engine that weighs 80.5kg and has a capacity of 747.7cc. It has a liquid cooling system, electronic fuel injection, and a computer-controlled digital ignition system. The bike’s transmission is a six-speed with a final drive chain. The frame is triple-square-section twin-tube, with front suspension being 45mm Showa inverted telescopic forks, and the rear suspension being a vertically-asymmetric Pro-Arm swing arm with Pro-Link nitrogen gas-filled damper with a reserve tank. The bike’s dry weight is 223kg, and it has a maximum weight capacity of 115.0kg. It can reach a top speed of 257.3km/h (159.8 mph), with a maximum power of 125hp (92 kW) at 14000 RPM and a maximum torque of 66 Nm at 11000 RPM. The bike has two front 310mm disc 4-piston caliper brakes and a single rear 220mm disc 2-piston caliper brake. The front and rear wheels are made of magnesium alloy, and the bike has a fuel capacity of 17 litres. It has a consumption average of 12.6 km/lit, and the braking distance (60-0 / 100-0) is 12.9m and 35.9m, respectively. It has a standing 1/4-mile time of 11.4 seconds and can reach a speed of 197.3 km/h. Road tests carried out on the motorcycle include Motosprint (1992) and Tuttomoto (1993).

Technische Daten:

Make Model: Honda NR 750 NR40 RC40

Jahr: 1992


Engine: Four stroke, 90 degreesV-four oval cylinder, DOHC, 8 valve per cylinder.
Engine Weight: 80.5kg / 177.5 lbs
Capacity: 747.7 cc / 45.6 cu-in
Bore x Stroke: 101.2 x 50.6 x 42 mm
Kühlsystem: Flüssigkeitsgekühlt
Verdichtungsverhältnis: 11,7:1
Valve Train: Intake valve opens (@ 1mm (0.04 in.) lift) 20-deg. BTDC Intake valve closes (@ 1mm (0.04 in.) lift) 50-deg. ABDC Exhaust valve opens (@ 1mm (0.04 in.) lift) 46-deg. BBDC Exhaust valve closes (@ (0.04 in.) 1mm lift) 16-deg. ATDC
Lubrication: Forced pressure and wet sump with oil cooler
Induction: Electronic fuel injection 8x 30mm chokes, 2 injectors per cylinder
Ignition: Computer-controlled digital
Aufladen: Dreifach-Phasen-Ausgangslichtmaschine
Anfahren: Elektrisch
Max Power: 125 hp / 92 kW @ 14000 rpm
Max Power Rear Tyre: 115.8 hp @14500 rpm)
Max Torque: 66 Nm / 6.6 kgf-m @ 11000 rpm

Kupplung: Lamellenkupplung, nass
Getriebe: 6-Gang
Final Drive: Chain 525/ Link 108
Primary Reduction: 1.937 (62/32)
Gear Ratio: 1st 2.666 (40/15) / 2nd 2.125 (34/16) / 3rd 1.777 (32/18) / 4th 1.545 (34/22) / 5th 1.381 (29/21) / 6th 1.381 (29/21)
Frame: Triple-square section twin-tube
Front Suspension: 45mm Showa inverted telescopic forks, preload,compression and rebound damping adjustment.
Front Wheel Travel: 120 mm /; 4.7 in
Rear Suspension: Vertically-asymmetric Pro-Arm swing arm with Pro-Link, Rear damper Nitrogen gas-filled damper with reserve tank
Hinterradfederweg: 120 mm / 4.7 in
Front Brakes: 2x 310mm disc 4 piston calipers
Hintere Bremsen: Einzelne 220-mm-Scheibe 2-Kolben-Bremssattel
Front Wheel: 16×3.5 in. magnesium alloy
Rear Wheel: 17×5.5 in. magnesium alloy
Front Tyre: 130/70-ZR16 (Michelin TX11 radial)
Front Tyre Pressure: 270 kPa (2.70 kg/cm ^2; 39 psi.)
Rear Tyre: 180/55-ZR17 (Michelin TX23 radial)
Rear Tyre Pressure: 290 kPa (2.90 kg/cm ^2; 42 psi.)
Rechen: 24 Grad
Trail: 88mm / 3.5 in

Dimensions: Length 2,150mm / 84.6 in. Width 700 mm / 27.6 in Height1,090mm / 42.9in
Radstand: 1435 mm / 56.5 in
Sitzhöhe: 785 mm / 30.9 in
Footpeg Height: 360 mm / 44.2 in
Bodenfreiheit: 130 mm / 5.1 in
Dry Weight: 223 kg 491 lbs
Wet Weight: 244 kg / 537.9 lbs
Maximum Weight Capacity: 115.0k g / 253.5 lbs
Fuel Capacity: 17 Litres / 3.8 US gal
Consumption average: 12.6 km/lit
Braking 60 – 0 / 100 – 0: 12.9 m / 35.9 m
Standing 1/4 Mile: 11.4 sec / 197.3 km/h
Top Speed: 257.3 km/h / 159.8 mph
Road Tests: Motosprint 1992 Tuttomoto 1993

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