The Yamaha XJ 750 Maxim is a motorcycle produced between 1985 and 1986. It features a liquid-cooled, four-stroke, transverse four-cylinder engine with a capacity of 749cc, producing a maximum power output of 86 hp at 9000 rpm and a maximum torque output of 61.8 Nm at 7500 rpm. The bike has a wet sump lubrication system, 4x 33mm Hitachi HSC carburetors, and Hitachi TID14-35 TCI ignition. It has a 5-speed transmission with a final drive on the shaft. The double-cradle frame houses a 38mm telescopic fork, front wheel travel of 150 mm, and a swing-arm rear suspension with rear wheel travel of 99 mm. The front brakes include two discs with 4-piston calipers, while the rear brake is a drum type. Front and rear tires have sizes of 100/90-19 and 130/90-16, respectively. The motorcycle weighs 215 kg dry and 237.6 kg wet, with a fuel capacity of 13 litres, and a fuel consumption average of 44.2 mpg. The standing quarter-mile time is 12.6 seconds at 104.7 mph, and the top speed of the bike is 205 km/h or 128 mph.
Technical specifications:
Make Model: Yamaha XJ 750 Maxim
| Year | 1985 – 86 |
|---|---|
| Engine | Ffour stroke, transverse four cylinder, DOHC, 5 valves per cylinder |
| Capacity | 749 cc / 45.7 cu-in |
| Bore x Stroke | 65 x 56.4 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 11.2:1 |
| Lubrication | Wet sump |
| Induction | 4x 33mm Hitachi HSC carburetors |
| Ignition | Hitachi TID14-35 TCI |
| Starting | Electric |
| Max Power | 86 hp / 62.7 kW @ 9000 rpm |
| Max Torque | 61.8 Nm @ 7500 rpm |
| Clutch | Wet/multi-disc |
| Transmission | 5 Speed |
| Final Drive | Shaft |
| Gear Ratio | 1st 35/16 (2.187) 2nd 30/20 (1.500) 3rd 30/26 (1.153) 4th 28/30 (0.933) 5th 26/32 (0.812) |
| Frame | Double Cradle |
| Front Suspension | 38mm Telescopic fork, Air, coil spring, oil damper. |
| Front Wheel Travel | 150 mm 5/ .9 in |
| Rear Suspension | Swing arm Coil spring, oil damper. |
| Rear Wheel Travel | 99 mm / 3.9 in |
| Front Brakes | 2x discs 4 piston caliper |
| Rear Brakes | Drum |
| Front Tyre | 100/90-19 |
| Rear Tyre | 130/90-16 |
| Rake | 31.5 degrees |
| Trail | 120 mm / 4.7 in |
| Dimensions | Length 2235 mm / 88.0 in Width 775 mm / 30.5 in Height 1160 mm / 45.7 in |
| Wheelbase | 1520 mm / 59.8 in |
| Seat Height | 760 mm / 29.9 in |
| Ground Clearance | 145 mm // 5.7 in |
| Dry Weight | 215 kg / 474 lbs |
| Wet Weight | 237.6 kg / 524 l lbs |
| Fuel Capacity | 13 Litres / 3.4 US Gal |
| Consumption Average | 44.2 mpg |
| Standing 1/4 Mile | 12.6 sec / 104.7 mph |
| Top Speed | 205 km/h / 128 mph |
