Honda NR750 (1992)

Make Model: Honda NR 750 NR40 RC40


Year: 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
Cooling System: Liquid cooled
Compression Ratio: 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
Charging: Triple phase output alternator
Starting: Electric
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
Clutch: Multi-plate, wet
Transmission: 6 Speed
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
Rear Wheel Travel: 120 mm / 4.7 in
Front Brakes: 2x 310mm disc 4 piston calipers
Rear Brakes: Single 220mm disc 2 piston caliper
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.)
Rake: 24 degrees
Trail: 88mm / 3.5 in
Dimensions: Length 2,150mm / 84.6 in. Width 700 mm / 27.6 in Height1,090mm / 42.9in
Wheelbase: 1435 mm / 56.5 in
Seat Height: 785 mm / 30.9 in
Footpeg Height: 360 mm / 44.2 in
Ground Clearance: 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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