The Honda XRV750 Africa Twin motorcycle, released in 1990, contains a four-stroke longitudinal 52-degree V-twin engine with a capacity of 742cc. It has a compression ratio of 9.0:1 and valve clearances of 0.13 to 0.17mm for intake valves and 0.18 to 0.22mm for exhaust valves when the engine is cold. The Africa Twin has a liquid-cooled system with a 2.03-liter capacity and a wet sump lubrication system. The starting mechanism is electric and it produces a maximum power of 62 hp / 45.3 kW @ 7500 rpm and a maximum torque of 62.7 Nm / 6.4 kgf-m @ 6000 rpm. The clutch is wet with multiple discs that are cable-operated, and it features a five-speed transmission and a chain final drive. The frame is a single downtube with double-loop cradle rectangular section steel. The suspension system includes a 43mm air-assisted telescopic fork on the front and a Pro-Link with 214mm wheel travel for the rear. The front brakes consist of two 276mm discs with two-piston calipers and the rear brake has a single 256mm disc with one-piston caliper. The Africa Twin weighs 185 kg in a dry state and 198 kg when wet, has a fuel capacity of 23 liters, and consumes an average of 16.8 km/lit. It has a top speed of 177.7 km/h and can complete the standing 1/4 mile in 13.4 seconds at 154.5 km/h. The Africa Twin’s color and codes lights are Motosprint Adventure Group Test Honda XRV750 1990 Motosprint.
Technical specifications:
Make Model: Honda XRV 750 Africa Twin
| Year | 1990 |
|---|---|
| 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 38 mm 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 |
