| Year | 1987 |
| Bore x Stroke | 70 x 48.6 mm |
| Braking 100 km/h / 62 mph - 0 | 35.1 m / 115 ft |
| Braking 60 km/h / 37 mph - 0 | 13.4 m / 44 ft |
| Capacity | 748 cc / 45.6 cub in |
| Capacity Load | 114 kg / 251 lbs |
| Clutch | Wet multiplate, sprag slipper on outer plates. |
| Compression Ratio | 11.0:1 |
| Consumption Average | 6.8 L/100 km / 14.8 km/l 34.8 US mpg |
| Cooling System | Liquid cooled |
| Dimensions | Length 2045 mm / 80.5 in Width 700 mm / 27.5 in Height 1100 mm / 43.2 in |
| Dry Weight | 185 kg / 402 lbs |
| Engine | Four stroke, 90°V-four cylinder, DOHC, 4 valve per cylinder |
| Final Drive | Chain |
| Frame | Backbone Type - Diamond layout with 3 section extrusions and cast headstock, engine lugs and rear section. Tig welded. |
| Front Brakes | 2 x 310mm discs, 2 piston calipers |
| Front Suspension | 43mm Telescopic USR fork Adjustable compression & rebound damping, single nut quick change front wheel clamps |
| Front Tyre | 120/70 V17 |
| Front Wheel Travel | 120 mm / 4.7 in |
| Fuel Capacity | 20 Litres / 5.3 US gal |
| Fuel Reserve | 3.5 Litres / 1.2 gal |
| Gear Ratio | 1st 2.400:1 36/15 - 83.2 mph at redline 12,500 rpm 2st 1.941:1 33/17 - 102.9 mph at redline 12,500 rpm 3rd 1.631:1 31/19 - 122.4 mph at redline 12,500 rpm 4th 1.434: 1 33/23 - 139.2 mph at redline 12,500 rpm 5th 1.291 :1 31/24 - 148.5 mph at 12,000 rpm 6th 1.192 :1 31/26 - 154.1 mph at power peak 11,500 rpm |
| Ground Clearance | 130 mm / 5.1 in |
| Ignition | CDI |
| Induction | 4x 38mm Keihin CV carburetors, Downdraft CV with manual choke |
| Max Power | 83.5 kW / 112 hp @ 11500 rpm |
| Max Power Rear Tyre | 70.7 kW / 94.8 hp @ 8250 rpm |
| Max Torque | 71.7 Nm / 7.3 kgf-m / 53 lb-ft @ 10500 rpm |
| Primary Drive | Straight cut gears with pre-load |
| Primary Drive Ratio | 1.939 :1 (64/33) |
| Rake | 24° |
| Rear Brakes | Single 220mm disc, 2 piston caliper |
| Rear Suspension | Pro-Arm progressive rate, single sided/single nut wheel, inboard brake, Pro Squat linkage, adjustable for preload and compression & rebound damping |
| Rear Tyre | 170/60 V18 |
| Rear Wheel Travel | 130 mm / 5.1.in |
| Related Links | La RC30 dans la pressevfr.de Clubrc30.net Technique RC30 |
| Road Tests | In Moto YB4 vs RC30 Moto Sprint Group Test Motociclismo YB4 vs RC30 Moto Sprint Group Test 1990 |
| Seat Height | 785 mm / 30.9 in |
| Spark Plug | NGK CR9EHIX-9 (For a modern Iridium tip) |
| Standing ¼ Mile | 10.9 sec / 199.5 km/h / 124 mph |
| Starting | Electric |
| Top Speed | 244.3 km/h / 151.8 mph |
| Trail | 94 mm / 3.6 in |
| Transmission | 6 Speed |
| Wet Weight | 206 kg / 450 lbs |
| Wheelbase | 1410 mm / 55.5 in |