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.

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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