Honda XRV750 Africa Twin (1991)

The Honda XRV750 Africa Twin was a four-stroke, longitudinal V-twin motorcycle released in 1991 with a capacity of 742 cc. It had a liquid-cooled engine with a compression ratio of 9.0:1 and a bore x stroke of 81 x 72 mm. The engine oil capacity was 2.4l for draining, 2.6l for draining and oil filter change, and 3.2l for disassembly. The bike had a TCI ignition, a 12V-12AH battery, and a 0.36kW/5,000min generator. The maximum power was 62 hp @ 7500 rpm and the maximum torque was 62.7 Nm @ 6000 rpm. The clutch was wet and cable operated and the transmission had five speeds. The bike had a chain final drive with a primary reduction of 1.763 and a final reduction of 2.812. It had a single downtube with a double-loop cradle, rectangular section, steel frame, and telescopic fork front suspension with 220mm wheel travel. The rear suspension was Pro-Link with 214mm wheel travel and preload and compression damping adjustment. The bike had front and rear disc brakes, with two-piston calipers on the front and one on the rear. It had a 21-inch spoke aluminum rim in front and a 17-inch spoke aluminum rim in the rear, with a rake of 27 degrees and a trail of 133mm. The bike was 2315mm long, 895mm wide, and 1420mm high, with a wheelbase of 1565mm and a seat height of 880mm. It had a dry weight of 185kg and a wet weight of 198kg, with a fuel capacity of 23 liters and a reserve of 5.1 liters. The consumption average was 16.8 km/lit, and the top speed was 177.7 km/h. The bike had a standing 1/4 mile of 13.4 sec / 154.5 km/h, and it performed well in a road test conducted by Motosprint Adventure Group Test.


Technical specifications:

Make Model: Honda XRV 750 Africa Twin

Year: 1991


Engine: Four stroke, Longitudinal 52 degreesV-twin. SOHC, 3 Valve per cylinder
Capacity: 742 cc / 45.2 cu-in
Bore x Stroke: 81 x 72 mm
Compression Ratio: 9.0:1
Valve clearances (COLD engine): Intake valves: 0.13 to 0.17 mm Exhaust valves: 0.18 to 0.22 mm
Cooling System: Liquid cooled, 2.03 l (2.15 US qt, 1.79 Imp qt)
Lubrication: Wet sump
Engine Oil: (After draining) 2.4 l (2.5 US qt, 2.1 Imp qt) (After draining and oil filter change) 2.6 l (2.7 US qt, 2.3 Imp qt) (After disassembly) 3.2 l (3.4 US qt, 2.8 Imp qt)
Induction: 2x 38mm Flat side CV
Idle speed: 1,200 +/- 100 min ^1(rpm) …E,G,F,ED,AR,II G 1,200 +/- 50 min ^1(rpm) ..SW
Ignition: TCI (Transistor Controlled Ignition)
Battery: 12V – 12AH
Generator: 0.36kW/5,000min ^1(rpm)
Spark Plug: Standard: DPR8EA9 (NGK) or X24EPR – U9 (DENSO) Cold climate (Below 5 degreesC, 41 degreesF): DPR7EA9 (NGK) or X22EPR – U9 (DENSO) For extended high speed riding: DPR9EA9 (NGK) or X27EPR – U9 (DENSO)
Spark Plug Gap: 0.80 – 0.90 mm (0.031 – 0.035 in)

Starting: Electric
Max Power: 62 hp / 45.3 kW @ 7500 rpm
Max Torque: 62.7 Nm / 6.4 kgf-m @ 6000 rpm
Clutch: Wet, multiple discs, cable operated
Transmission: 5 Speed
Final Drive: Chain
Primary Reduction: 1.763
Gear Ratio: 1st: 3.083 / 2nd: 2.062 / 3rd: 1.550 / 4th: 1.272 / 5th: 1.083
Final Reduction: 2.812 …E,G,F,SW,ED,II G 2.687 …AR
Frame: Single downtube with double-loop cradle, rectangular section, steel
Front Suspension: 43 mm air-assisted telescopic fork,
Front Wheel Travel: 220 mm / 8.6 in
Rear Suspension: Pro-Link 214 mm wheel travel with preload and compression damping adjustment
Rear Wheel Travel: 214 mm / 8.4 in
Front Brakes: 2x 276 mm discs 2 piston calipers
Rear Brakes: Single 256 mm disc 1 piston caliper
Rim Front: 21-inch spoke, aluminium rim
Rim Rear: 17-inch spoke, aluminium rim
Front Tyre: 90/90-21 54S
Rear Tyre: 130/90-17 65S

Rake: 27 degrees
Trail: 133 mm / 5.2 in
Dimensions: Length 2315 mm / 84 in Width 895 mm / 35.2 in Height 1420 mm / 55.9 in
Wheelbase: 1565 mm / 61.6 in
Seat Height: 880 mm / 34.6 in
Dry Weight: 185 kg / 407.8 lbs
Wet Weight: 198 kg / 436.5 lbs
Fuel Capacity: 23 Litres / 5.2 gal
Reserve: 5.1 Litres / 1.35 gal
Consumption average: 16.8 km/lit
Braking 60 – 0 / 100 – 0: 13.2 m / 40.4 m
Standing 1/4 Mile: 13.4 sec / 154.5 km/h
Top Speed: 177.7 km/h
Road Test: Colours and codes lights Motosprint Adventure Group Test Honda XRV750 1990 Motosprint

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