RC30 Specifications
| Canadian Specification UNO | |||||
| Basics | Overall Length | 2045 | mm | -- | |
| Overall Width | 700 | mm | -- | ||
| Overall Height | 1100 | mm | -- | ||
| Wheelbase | 1410 | mm | -- | ||
| Ground Clearance | 130 | mm | -- | ||
| Fuel Capacity | 18 | L | 4.8 | US gal | |
| Fuel Reserve Capacity | 3.5 | L | 1.2 | US gal | |
| Vehicle Capacity load | 114 | kg | 251 | lb. | |
| Dry Weight | 185 | kg | 408 | lb. | |
| Curb Weight | 204 | kg | 450 | lb. | |
| Engine | Type | -- | -- | -- | Water cooled four stroke |
| Cylinder Arrangement | -- | -- | -- | 4 Cylinder 90 Degree Vee | |
| Bore x Stroke | 70 | mm x | 48.6 | mm | |
| Displacement | 748.14 | cm3 | -- | 1st overbore 752.42 cm3 2nd overbore 756.71 cm3 | |
| Compression Ratio | 11 | :1 | -- | Static | |
| Power (Honda Canada) | 112 | hp at | 11500 | RPM (which equals 51.1 ft*lb at 11500 RPM) | |
| Power (Cycle Canada). | 110 | hp at | 11000 | RPM (which equals 52.5 ft*lb at 11000 RPM) | |
| Rated Torque | 53.5 | ft*lb at | 10500 | RPM (which equals 107 hp at 10500 RPM) | |
| Max Continuous Speed | 12500 | RPM | -- | Redline | |
| Cams Valves and Cylinder Heads | Valve Train | -- | -- | -- | Dual over head cams on roller and needle bearings, 4 valves per cylinder, shim under bucket lash adjustment, preloaded gear drive. |
| Intake Valve Opens | 25 | Deg | BTDC | at 1 mm lift (0.039" Lift) | |
| Intake Valve Closes | 45 | Deg | ABDC | at 1 mm lift (0.039" Lift) | |
| Exhaust Valve Opens | 50 | Deg | BBDC | at 1 mm lift (0.039" Lift) | |
| Exhaust Valve Closes | 20 | Deg | ATDC | at 1 mm lift (0.039" Lift) | |
| Valve Clearance Intake - Cold | 0.15 | mm to | 0.21 | mm (0.006 inch to 0.008 inch) Target is 0.18 mm (0.007") | |
| Valve Clearance Exhaust - Cold | 0.27 | mm to | 0.33 | mm (0.011 inch to 0.013 inch) Target is 0.30 mm (0.012") | |
| Camshaft Lobe Height Intake | 34.12 | mm to | 34.28 | mm (1.343" to 1.350") | |
| Camshaft Lobe Height Exhaust | 34.22 | mm to | 34.38 | mm (1.347" to 1.354") | |
| Camshaft Runout | 0.030 | mm or | 0.001 | inch (Service Limit) | |
| Valve Stem OD Intake | 4.475 | mm to | 4.490 | mm (4.47 mm Service Limit) | |
| Valve Stem OD Exhaust | 4.455 | mm to | 4.470 | mm (4.45 mm Service Limit) | |
| Stem To Guide | 0.010 | mm to | 0.040 | mm (0.080 mm Service Limit) | |
| Valve Seat Width | 1.0 | mm to | 1.3 | mm (1.5 mm service limit) | |
| Valve Spring Free Length - Outer | 37.7 | mm | -- | Service Limit | |
| Valve Spring Free Length - Inner | 40.9 | mm | -- | Service Limit | |
| Valve Lifter OD | 25.978 | mm to | 25.993 | mm (25.97 mm Service Limit) | |
| Valve Lifter Bore ID | 26.010 | mm to | 26.026 | mm (26.04 mm Service Limit) | |
| Cylinder Head Warpage | 0.10 | mm | -- | Service Limit | |
| Crankshaft | Con Rod Big End Side Clearance | 0.028 | mm to | 0.268 | 0.400 mm Service Limit (Street) 0.350 mm Service Limit (Race) |
| Crankshaft Runout | -- | -- | -- | 0.030 mm Service Limit (Street) 0.020 mm Service Limit (Race) | |
| Crankshaft Crankpin oil Clearance | 0.030 | mm to | 0.052 | 0.080 mm Service Limit (Street) 0.052 mm Service Limit (Race) | |
| Crankshaft Main Journal Oil Clearance | 0.023 | mm to | 0.045 | 0.060 mm Service Limit (Street) 0.045 mm Service Limit (Race) | |
| Intake System | Air Filtration | -- | -- | -- | Under tank airbox with paper filter, suction line from crankcase breather. Carburetors retained by a cast aluminum plenum. |
| Caburetor Type | -- | -- | -- | Downdraft CV with manual choke | |
| Carburetor Make/Model | -- | -- | -- | Keihin Model VD | |
| Throttle Bore | -- | -- | -- | 38mm (1.5 inch) | |
| Main Jets - Front Cylinders 2(L) and 4(R) | #115 | -- | -- | ||
| Main Jets - Rear Cylinders 1(L) and 3 (R) | #112 | -- | -- | ||
| Slow Jet | #38 | ||||
| Pilot Screw Opening Turns Out | 2 | -- | -- | 2.125 (Australia) and 1.5 (Switzerland) | |
| Idle Speed | 1200 | RPM | -- | +/- 50 RPM | |
| Cylinder Compression Pressure | 1250 | kPa +/- | 200 | kPa (178 psig +/-28 psig) | |
| Oiling System | Engine Oil Capacity | 2.9 | L | -- | After Drain |
| Engine Oil Capacity | 3.8 | L | -- | After Teardown | |
| Oil Pressure | 470 | kPa to | 570 | kPa (67 to 81 psig) at 5000 RPM at 80 C | |
| Oil Pump Flow | 54 | L/min at | 5000 | RPM | |
| Cooling | Coolant Capacity | 2.4 | L | -- | Engine & Radiator |
| Coolant Capacity | 0.3 | L | -- | Expansion Tank | |
| Coolant Capacity | 2.7 | L | -- | Total System | |
| Radiator Cap Relief | 95 | kPa to | 125 | kPa (13.5 to 17.8 psig) | |
| Thermostat Setting | 80 | C to | 84 | C (176 F to 183 F) | |
| Thermostat Lift - Min | 8 | mm at | 95 | C | |
| Temperature Sensor | 60 | C | 93 | to 115 ohm | |
| Temperature Sensor | 85 | C | 39 | to 49 ohm | |
| Temperature Sensor | 110 | C | 18 | to 123 ohm | |
| Temperature Sensor | 120 | C | 14 | to 18 ohm | |
| Pump Type | Oil pump Driven, Centrifugal, backward vane, mechanical and lip seals, supply & return ports for oil cooler | ||||
| Clutch | Clutch Type | -- | -- | -- | Wet multiplate, sprag slipper on outer plates. |
| Clutch Spring Type | -- | -- | -- | Steel Diaphragm x 2 | |
| Actuation | -- | -- | -- | Hydraulic master/slave system, actuator rod thru mainshaft to ball bearing lifter | |
| Basket | -- | -- | -- | Steel Reinforced, Spring Dampened | |
| No Plates / Disks | 10 | Disk | 9 | Plate | |
| Clutch Fluid | -- | -- | -- | DOT 4 | |
| Outer Guide ID | 24.995 | mm to | 25.012 | mm (25.08 mm Service Limit) | |
| Clutch Spring Free Height | 3.2 | mm | -- | Service Limit | |
| Clutch Center B ID | 74.404 | mm to | 74.430 | mm (74.46 mm Service Limit) | |
| 1 Way Clutch Inner OD | 57.800 | mm to | 57.813 | mm (57.77 mm Service Limit) | |
| Clutch Disk Thickness | 2.92 | mm to | 3.08 | mm (2.5 mm Service Limit) | |
| Clutch Plate Warpage | 0.30 | mm | -- | Service Limit | |
| Starter Drive Gear OD | 45.657 | mm to | 45.673 | mm (45.64 mm Service Limit) | |
| Shift Forks | Claw Thickness | 6.430 | mm to | 6.500 | mm (6.10 mm Service Limit) |
| Left & Right fork ID | 14.016 | mm to | 14.034 | mm (14.05 mm Service limit) | |
| Transmission | Transmission Type | 6 | Speed | -- | Constant Mesh, Close Ratio with undercut dogs. |
| Primary Drive | -- | -- | -- | Straight cut gears with pre-load | |
| Primary Drive Ratio | 1.939 | :1 | -- | 64/33 | |
| Gear Ratio - First | 2.400 | :1 | -- | 36/15 - 83.2 mph at redline 12,500 RPM | |
| Gear Ratio - Second | 1.941 | :1 | -- | 33/17 - 102.9 mph at redline 12,500 RPM | |
| Gear Ratio - Third | 1.631 | :1 | -- | 31/19 - 122.4 mph at redline 12,500 RPM | |
| Gear Ratio - Fourth | 1.434 | :1 | -- | 33/23 - 139.2 mph at redline 12,500 RPM | |
| Gear Ratio - Fifth | 1.291 | :1 | -- | 31/24 - 148.5 mph at 12,000 RPM | |
| Gear Ratio - Sixth | 1.192 | :1 | -- | 31/26 - 154.1 mph at power peak 11,500 RPM | |
| Final Reduction Ratio | 2.500 | :1 | -- | 40/16 | |
| Tire Circumference | 81.78 | inches | -- | Estimated (170/60-18) | |
| Engine Speed at 100 km/hr | 4638 | RPM | -- | Estimated | |
| Gear ID - M5,M6 | 28.000 | mm to | 28.021 | 28.04 mm Service Limit | |
| Gear ID - C2,C3,C4 | 31.000 | mm to | 31.016 | 31.04 mm Service Limit | |
| Gear Bush OD - M5,M6 | 27.959 | mm to | 27.980 | 27.94 mm Service Limit | |
| Gear Bush OD - C3,C4 | 30.950 | mm to | 30.975 | 30.93 mm Service Limit | |
| Gear Bush OD - C2 | 30.970 | mm to | 30.995 | 30.95 mm Service Limit | |
| Gear Bush ID - M5 | 24.985 | mm to | 25.006 | 25.03 mm Service Limit | |
| Gear Bush ID - C2 | 28.000 | mm to | 28.021 | 28.04 mm Service Limit | |
| Mainshaft OD at C2 | 24.959 | mm to | 24.980 | 27.95 mm Service Limit | |
| Countershaft OD at C2 | 27.967 | mm to | 27.980 | 27.96 mm Service Limit | |
| Gear To Bushing Clearance - M5,M6 | 0.020 | mm to | 0.062 | 0.10 mm Service Limit | |
| Gear To Bushing Clearance - C3,C4 | 0.025 | mm to | 0.066 | 0.11 mm Service Limit | |
| Gear To Bushing Clearance - C2 | 0.005 | mm to | 0.046 | 0.09 mm Service Limit | |
| Bushing To Shaft Clearance - M5 | 0.005 | mm to | 0.047 | 0.06 mm Service Limit | |
| Bushing To Shaft Clearance - C2 | 0.020 | mm to | 0.054 | 0.06 mm Service Limit | |
| Ignition | Type | -- | -- | -- | CDI |
| Static Ignition Timing | 15 | Deg | BTDC | Swiss bike is 10 Deg BTDC | |
| Spark Plug | 10 | mm | -- | NGK CR9EHIX-9 (For a modern Iridium tip) | |
| Firing Order | -- | -- | -- | 1 - 4 - 3 - 2 | |
| Alternator | 374 | Watt at | 5000 | RPM | |
| Battery Capacity | 12 | Volt | 8 | Amp - Hour | |
| Fuse | 30 | Amp | Main | (20A x 1, 10A x 4) | |
| Frame | Type | -- | -- | -- | Backbone Type - Diamond layout with 3 section extrusions and cast headstock, engine lugs and rear section. Tig welded. |
| Castor Angle | 24 | Degree | 50 | Minute (Approx 24.83 degrees) | |
| Trail | 91 | mm | 3.60 | inch | |
| Suspension | Front Suspension Type | -- | -- | -- | 43mm Telescopic USR fork Adjustable compression & rebound damping, single nut quick change front wheel clamps |
| Front Suspension Travel | 120 | mm | 4.72 | inch | |
| Front Fork Oil Capacity | 486 | cc | -- | ||
| Front Fork Fluid | -- | -- | -- | ATF or equivalent | |
| Front Fork Air Gap | 98 | mm | -- | ||
| Front Fork Spring | 0.774 | kg/mm | 43.3 | lb/inch | |
| Rear Suspension Type | -- | -- | -- | Pro-Arm progressive rate, single sided/single nut wheel, inboard brake, Pro Squat linkage, adjustable for preload and compression & rebound damping | |
| Rear Shock Absorber | kg to | kg static load (N2 Pressure Load) 12.0 kg Service Limit | |||
| Rear Shock Absorber Spring Free Length | 167.5 | mm | -- | Service Limit | |
| Rear Shock Absorber Spring Installed Length | 160 | mm | Std | 153 mm to 170 mm Service Range | |
| Rear Shock Spring | 15.9 | kg/mm | 890 | lb/inch | |
| Rear Suspension Travel | 130 | mm | 5 | inch | |
| Front Wheel/Tire Size | -- | -- | -- | Select <Wheels and Tires> on sidebar for info. | |
| Rear Wheel/Tire Size | -- | -- | -- | Select <Wheels and Tires> on sidebar for info. | |
| Cold Tire Pressure - Front | 250 | kPa | 36 | psig | |
| Cold Tire Pressure - Rear | 290 | kPa | 42 | psig | |
| Brakes | Front Brake Slotted friction surface | 310 | mm x | 6 | mm Thick stainless steel disk x 2 with 4 piston calipers housing split size pistons, GG quick change pads. |
| Rear Brake Slotted friction surface | 220 | mm x | 7 | mm Thick with 2 piston floating caliper, GG pads | |