Before reading the following, your attention is drawn to the Disclaimer.
|
Item |
Ident. |
Specification |
|
| Dimensions: | Overall length | 1985mm (78.1in) | |
| Overall width | 705mm (27.8in) | ||
| Overall height | 1075mm (42.3in) | ||
| Wheelbase | 1345mm (53.0in) | ||
| Ground clearance | 125mm (4.9in) | ||
| Seat height | 780mm (30.7in) | ||
| Dry weight | 175kg (385.8 lbs) | ||
| Curb weight | 192kg (423.3 lbs) | ||
| Maximum weight capacity | 347kg (765.0 lbs) | ||
| Frame: | Frame type | Aluminum Twin-spar. | |
| Front suspension | Twin Showa 41mm telescopic forks. | ||
| Front wheel travel | 120mm (4.7in) | ||
| Rear suspension | Single-sided swingarm. | ||
| Rear wheel travel | 120mm (4.7in) | ||
| Rear damper | Gas-filled damper with reservoir. | ||
| Front brakes | 296mm Hydraulic double ventilated disc 4-piston Floating calipers. | ||
| Rear brake | Hydraulic single ventilated disc 2-piston Nissin caliper. | ||
| Rake Angle | 25° 20' | ||
| Trail length | 96mm (3.8in) | ||
| Fuel tank capacity | 15 litres (4.0 U.S. gal 3.5 Imp gal.) | ||
| Reserve fuel tank capacity | 2.0 litres (0.5 U.S. gal 0.4 Imp gal.) | ||
| Engine: | Bore and stroke | 55.0mm x 42.0mm (2.16in x 1.65in) | |
| Displacement | 399cm³ (24.3cu in) | ||
| Compression ratio | 11.3:1 | ||
| Valve train | Gear driven DOHC; 4 valves per cylinder. | ||
| Intake valve opens @ 1mm lift | 15° BTDC | ||
| Intake valve closes @ 1mm lift | 35° ABDC | ||
| Exhaust valve opens @ 1mm lift | 35° BBDC | ||
| Exhaust valve closes @ 1mm lift | 05° ATDC | ||
| Lubrication system | Forced pressure and wet sump. | ||
| Oil pump type | Trockoid. | ||
| Cooling system | Liquid cooled (Dual radiators fan to lower) | ||
| Air filtration | Paper filter. | ||
| Crankshaft type | Unit-type 4 main journals. | ||
| Firing order | 1-90° 4-270° 3-90° 2-270° | ||
| Cylinder arrangement | 4 cylinders 90° Vee. | ||
| Cylinder numbering | 1 (rear left) 3 (rear right) 2 (front left) 4 (front right) | ||
| Carburettors: | Carburettor type | Constant velocity 4 Keihin carburettors. | |
| Throttle bore | 32mm (1.3in) | ||
| Drive train: | Clutch system | Multi-plate wet. | |
| Clutch operation | Cable operated. | ||
| Transmission | 6-speed manual. | ||
| Primary reduction | 2.117 (34/72) | ||
| Final reduction | 2.666 (15/40) Note: This is Front/Rear Sprocket Size. | ||
| Gear ratio 1st | 2.928 (14/41) | ||
| Gear ratio 2nd | 2.166 (18/39) | ||
| Gear ratio 3rd | 1.800 (20/36) | ||
| Gear ratio 4th | 1.591 (22/35) | ||
| Gear ratio 5th | 1.435 (23/33) | ||
| Gear ratio 6th | 1.318 (22/29) | ||
| Gearshift pattern | Left foot operated return system: 1—N—2—3—4—5—6 | ||
| Electrical: | Ignition system | Digitalised full transistor ignition. | |
| Starting system | Electric starter motor. | ||
| Charging system | Triple phase output alternator. | ||
| Regulator/Rectifier type | SCR Shorted/triple phase full-wave rectification. | ||
| Lighting system | Battery. | ||
| Lubrication: | Engine oil capacity at draining | 2.4 litres (2.54 U.S. qt. 2.11 Imp qt.) | |
| Engine oil capacity at disassembly | 3.0 litres (3.17 U.S. qt. 2.64 Imp qt.) | ||
| Engine oil capacity at oil filter change | 2.5 litres (2.64 U.S. qt. 2.20 Imp qt.) | ||
| Recommended engine oil viscosity | SAE 10W-40 (Semi-synthetic 4-stroke motorcycle oil) | ||
| Oil pressure at oil pressure switch | 71-85 psi (490-588 kPa) @5 000 rpm (80°C [176°F]) | ||
| Oil Pump rotor tip clearance | 0.15mm (0.006in) | ||
| Oil Pump body clearance | 0.15-0.22mm (0.006-0.009in) | ||
| Oil Pump end clearance | 0.04-0.09mm (0.0016-0.0035in) | ||
| Fuel system: | Main jets | (Front cylinders) | #122 |
| Main jets | (Rear cylinders) | #120 | |
| Slow (idle) jets | #35 | ||
| Pilot screw initial opening | 2-turns out | ||
| Pilot screw final opening | ¼-turn out | ||
| Float level | 6.8mm (0.28in) | ||
| Carburettor vacuum difference | Within 40mmHg (1.6inHg) | ||
| Base carburettor (for carburettor synch) | No. 2 carburettor. | ||
| Idle speed | 1 300rpm +/- 100rpm | ||
| Throttle grip free play | 2-6mm (0.08-0.24 in.) | ||
| Cylinder Head: | Cylinder compression | 185+/-28psi (13.0+/-2.0kg/cm2 1 274+/-196kPa) @400rpm | |
| Cylinder compression difference | 40mmHg (1.6inHg) | ||
| Valve clearance | (IN) | 0.12-0.18mm (0.005-0.007in) | |
| Valve clearance | (EX) | 0.21-0.27mm (0.008-0.011in) | |
| Cam lobe height | (IN) | 32.717-32.957mm (1.2882-1.2975in) | |
| Cam lobe height | (EX) | 32.428-32.668mm (1.2767-1.2861in) | |
| Camshaft oil clearance | 0.040-0.082mm (0.0016-0.0032in) | ||
| Camshaft journal | (OD) | 27.939-27.960mm (1.1000-1.1008in) | |
| Camshaft holder | (ID) | 28.000-28.021mm (1.1024-1.1032in) | |
| Valve stem (OD) | (IN) | 4.475-4.490mm (0.1762-0.1788in) | |
| Valve stem (OD) | (EX) | 4.465-4.480mm (0.1758-0.1764in) | |
| Valve guide (ID) | (IN) | 4.500-4.512mm (0.1772-0.1776in) | |
| Valve guide (ID) | (EX) | 4.500-4.512mm (0.1772-0.1776in) | |
| Stem-to-guide clearance | (IN) | 0.010-0.037mm (0.0004-0.0015in) | |
| Stem-to-guide clearance | (EX) | 0.020-0.047mm (0.0008-0.0019in) | |
| Valve guide projection above cylinder head | (IN) | 10mm (0.4in) | |
| Valve guide projection above cylinder head | (EX) | 10mm (0.4in) | |
| Valve seat width | (IN) | 1.70-2.30mm (0.067-0.091in) | |
| Valve seat width | (EX) | 1.70-2.30mm (0.067-0.091in) | |
| Valve Spring free length | (Inner IN) | 31.4mm (1.24in) | |
| Valve Spring free length | (Inner EX) | 31.4mm (1.24in) | |
| Valve Spring free length | (Outer IN) | 34.4mm (1.35in) | |
| Valve Spring free length | (Outer EX) | 34.4mm (1.35in) | |
| Rocker arm (ID) | (IN) | 8.500-8.515mm (0.3346-0.3352in) | |
| Rocker arm (ID) | (EX) | 8.500-8.515mm (0.3346-0.3352in) | |
| Rocker arm shaft (OD) | (IN) | 8.466-8.484mm (0.3333-0.3340in) | |
| Rocker arm shaft (OD) | (EX) | 8.466-8.484mm (0.3333-0.3340in) | |
| Cylinder & Piston: | Cylinder ID | 55.000-55.015mm (2.1654-2.1659in) | |
| Piston mark direction | IN Mark facing towards intake side | ||
| Piston OD | 54.970-54.990mm (2.1642-2.1650in) | ||
| Piston pin hole | (ID) | 14.002-14.008mm (0.5513-0.5515in) | |
| Cylinder-to-piston clearance | 0.010-0.045mm (0.0004-0.0018in) | ||
| Piston Pin | (OD) | 13.994-14.000mm (0.5509-0.5512in) | |
| Piston-to-piston pin clearance | 0.002-0.014mm (0.0001-0.0006in) | ||
| Con rod-to-piston pin clearance | 0.016-0.040mm (0.0006-0.0016in) | ||
| Top ring-to-ring groove clearance | 0.015—0.050mm (0.0006-0.0020in) | ||
| Second ring-to-ring groove clearance | 0.015-0.045mm (0.0006-0.0018in) | ||
| Top ring end gap | 0.18-0.33mm (0.007-0.013in) | ||
| Second ring end gap | 0.18-0.33mm (0.007-0.013in) | ||
| Oil ring end gap | 0.20-0.80mm (0.008-0.031in) | ||
| Top ring mark | R mark facing upwards | ||
| Second ring mark | Mark facing upwards | ||
| Crankshaft: | Con rod small end ID | 14.016-14.034mm (0.5518-0.5525in) | |
| Con rod big end side clearance | 0.10-0.30mm (0.004-0.012in) | ||
| Crankpin oil clearance | 0.028-0.052mm (0.0011-0.0020in) | ||
| Main journal oil clearance | 0.025-0.049mm (0.0010-0.0019in) | ||
| Transmission: | Transmission gear | (ID mainshaft) | 28.000-28.021mm (1.1024-1.1032in) |
| Transmission gear | (ID countershaft) | 28.000-28.021mm (1.1024-1.1032in) | |
| Transmission gear bushing | (OD mainshaft) | 27.959-27.980mm (1.1007-1.1016in) | |
| Transmission gear bushing | (OD countershaft) | 27.959-27.980mm (1.1007-1.1016in) | |
| Transmission gear bushing | (ID mainshaft) | 24.985-25.006mm (0.9837-0.9845in) | |
| Transmission gear bushing | (ID countershaft) | 24.985-25.006mm (0.9837-0.9845in) | |
| Gear-to-bushing clearance | (Mainshaft) | 0.020-0.062mm (0.0008-0.0024in) | |
| Gear-to-bushing clearance | (Countershaft) | 0.020-0.062mm (0.0008-0.0024in) | |
| Mainshaft | (OD) | 24.967-24.978mm (0.9830-0.9834in) | |
| Countershaft | (OD) | 24.967-24.978mm (0.9830-0.9834in) | |
| Gear bushing to mainshaft clearance | 0.007-0.039mm (0.0003-0.0015in) | ||
| Gear bushing to countershaft clearance | 0.007-0.039mm (0.0003-0.0015in) | ||
| Shift fork clew thickness | (L) | 5.93-6.00mm (0.233-0.236in) | |
| Shift fork clew thickness | (C) | 5.93-6.00mm (0.233-0.236in) | |
| Shift fork clew thickness | (R) | 5.93-6.00mm (0.233-0.236in) | |
| Shift Fork (ID) | (L) | 12.000-12.021mm (0.4724-0.4733in) | |
| Shift Fork (ID) | (C) | 12.000-12.021mm (0.4724-0.4733in) | |
| Shift Fork (ID) | (R) | 12.000-12.021mm (0.4724-0.4733in) | |
| Shift fork shaft (OD) | (L) | 11.969-11.980mm (0.4712-0.4717in) | |
| Shift fork shaft (OD) | (C) | 11.969-11.980mm (0.4712-0.4717in) | |
| Shift fork shaft (OD) | (R) | 11.969-11.980mm (0.4712-0.4717in) | |
| Clutch system: | Clutch lever free play | 10-20mm (0.4-0.8 in) | |
| Clutch outer | (ID) | 29.000-29.021mm (1.1417-1.1426in) | |
| Clutch outer guide | (OD) | 28.967-28.980mm (1.1404-1.1409in) | |
| Clutch outer guide | (ID) | 21.995-22.015mm (0.8659-0.8667in) | |
| Oil pump drive sprocket | (ID) | 29.025-29.075mm (1.1427-1.1447in) | |
| Clutch centre | (ID) | 63.964-63.990mm (2.5183-2.5193in) | |
| One way clutch inner | (OD) | 47.365-47.378mm (1.8648-1.8653in) | |
| Clutch disc thickness | 2.92-3.08mm (0.115-0.121in) | ||
| Clutch disc service limit | 2.8mm (0.110in) | ||
| Clutch plate warpage limit | 0.30mm (0.012in) | ||
| Cooling system: | Coolant capacity | (radiators & engine) | 2.1 litres (2.22 US ft. 1.85 Imp qt.) |
| Reserve tank capacity | 0.2 litres (0.21 US ft. 0.18 Imp qt.) | ||
| Radiator cap relief pressure | 16-20psi (1.10-1.40kg/cm² 108-137kPa) | ||
| Thermostat | Begins to open | 80-84°C (176-183°F) | |
| Thermostat | Fully open | 95°C (203°F) | |
| Thermostat valve lift | 8.0mm (0.23in) MIN. | ||
| Wheels & Tyres: | Tyre size | Front | 120/60 VR17 (17in Front wheel) |
| Tyre size | Rear | 150/60 VR18 (18in Rear wheel) | |
| Cold tyre pressure (Rider) | (Front) | 33psi (225kPa 2.25 kg/cm²) | |
| Cold tyre pressure (Rider) | (Rear) | 33psi (225kPa 2.25 kg/cm²) | |
| Cold tyre pressure (Rider & Pillion) | (Front) | 33psi (225kPa 2.25 kg/cm²) | |
| Cold tyre pressure (Rider & Pillion) | (Rear) | 36psi (250kPa 2.50 kg/cm²) | |
| Drive chain slack | 15-25mm (5/8-1in) | ||
| Drive chain size links | (RK) | RKGB525SM4/104 | |
| Front Suspension: | Fork spring free length | 277.3mm (10.92in) | |
| Fork spring direction | Close coils at the top (K Model). Note Direction L, M, N Models. | ||
| Fork oil weight | 10W Fork Oil | ||
| Fork oil level | 122mm (4.8in) | ||
| Fork oil capacity | 390cc (13.2 US oz 13.7 imp oz) | ||
| Steering bearing pre-load | 1.0-1.5kg (2.2-3.3 lbs.) | ||
| Rear Suspension: | Shock spring free length | 158.7mm (6.2in) | |
| Shock spring installed length | 147.7mm (5.81in) | ||
| Damper Gas | Nitrogen. | ||
| Gas pressure | 142 psi (10 kg/cm² 98kPa) | ||
| Damper rod force at 10mm compression | 15-20kg (33-44lbs) | ||
| Brakes: | Brake fluid type | DOT 4 | |
| Front brake disc thickness | 4.0mm (0.16in) | ||
| Front brake master cylinder | (ID) | 14.000-14.043mm (0.5512-0.5529in) | |
| Front brake master piston | (OD) | 13.957-13.984mm (0.5495-0.5506in) | |
| Front brake caliper cylinder (ID) | (Upper) | 30.230-30.280mm (1.1902-1.1921in) | |
| Front brake caliper cylinder (ID) | (Lower) | 25.400-25.450mm (1.0000-1.0020in) | |
| Front brake caliper piston (OD) | (Upper) | 30.148-30.198mm (1.1869-1.1889in) | |
| Front brake caliper piston (OD) | (Lower) | 25.318-25.368mm (0.9968-0.9987in) | |
| Rear brake disc thickness | 6.0mm (0.24in) | ||
| Rear brake master cylinder | (ID) | 14.000-14.043mm (0.5512-0.5529in) | |
| Rear brake master piston | (OD) | 13.957-13.984mm (0.5495-0.5506in) | |
| Rear brake caliper cylinder | (ID) | 25.400-25.450mm (1.0000-10020in) | |
| Rear brake caliper piston | (OD) | 25.318-25368mm (0.9968-0.9987in) | |
| Charging System: | Alternator charging coil resistance | 0.1-1.0Ohms | |
| Reg/rec regulated voltage/amperage | 13.5-15.5v (0-6A) @ 5,000rpm | ||
| Battery capacity | 12v (6AH) (Sealed YTX7A-BS) | ||
| Battery charging rate | (normal) | 0.7A/5-10 hr. | |
| Battery charging rate | (quick) | 3.0A/1 hr. | |
| Battery voltage | (fully charged 20°C (68°F)) | 13.0-13.2v | |
| Ignition system: | Spark plug | (standard) | NGK ER9EH or ND Y27FER |
| Spark plug | (cold climate) | NGK ER8EH or ND Y24FER | |
| Spark plug | (racing) | NGK ER10EH or ND Y31FER | |
| Spark plug gap | 0.6-0.7mm (0.024-0.028in) | ||
| Ignition timing "F" mark | 18 BTDC @ 1,200rpm | ||
| Advance starts | 1 800rpm +/-200rpm | ||
| Advance stops | 12 000rpm +/-200rpm | ||
| Full advance | 37 BTDC +/-2. @ 12,000rpm | ||
| Ignition coil resistance (Primary @ 20°C (68°F) | 2.5-3.5Ohms | ||
| Secondary coil resistance | (with plug cap) | 14-25kOhms | |
| Secondary coil resistance | (without plug cap) | 11-14kOhms | |
| Pulse generator resistance (@ 20°C (68°F)) | 450-550Ohms | ||
| Lights/Switches: | Main fuse | 30A | |
| Fuse | 1x 20A 3x 10A | ||
| Headlight (high/low beam) | 12v 60/55 W (Halogen) (UK-Spec) | ||
| Tail/brake light | 12v 21/5 W (UK-Spec) | ||
| Number Plate light | 12v 5W | ||
| Sidelights | 12v 5W (UK-Spec) | ||
| Indicators | 12v 21W (UK-Spec) | ||
| Instrument lights | 12v 1.7W | ||
| Oil pressure warning indicator | 12v 1.7W | ||
| Oil temperature indicator | 12v 1.7W | ||
| High beam indicator | 12v 1.7W | ||
| Turn signal indicator | 12v 1.7W | ||
| Neutral indicator | 12v 1.7W | ||
| Thermo sensor resistance | (@ 50°C (122°F) | 130-180Ohms | |
| Thermo sensor resistance | @ 80°C (176°F) | 45-60Ohms | |
| Thermo sensor resistance | @ 120°C (248°F) | 10-20Ohms | |
| Fan motor switch | ON | 98-102°C (208-216°F) | |
| Fan motor switch | OFF | 93-97°C (199-207°F) | |
| Starting system: | Starter driven gear | (OD) | 41.975-42.000mm (1.6526-1.6535in) |
| Starter reduction gear shaft | (OD) | 9.994-10.000mm (0.3935-0.3937in) | |
| Starter reduction gear | (ID) | 10.070-10.110mm (0.3965-0.3980) | |
| Starter motor brush length | 12-13mm (0.47-0.51 in.) | ||