| Item | Specification | |
| Dimensions |
Overall Length Overall Width Overall Height Wheelbase Seat Height Foot Peg Height Ground Clearance Dry Weight Curb Weight |
2085 mm (82.1 in) 750 mm (29.5 in) 1075 mm (42.3 in) 1430 mm (56.3 in) 778 mm (30.6 in) 355 mm (14.0 in) 155 mm (6.1 in) 168 kg (370.3 lbs) 184 kg (405.6 lbs) |
| Frame |
Type Front Suspension, travel Rear Suspension, travel Gross vehicle weight rating Maximum weight capacity Front tire size Rear tire size Cold tire pressure Front brake, lining swept area Rear brake, lining swept area Fuel capacity Fuel reserve capacity Caster angle Trail length Fork oil capacity '88: |
Twin tube diamond, aluminum Telescopic fork, 130mm (5.12 in) Swingarm, 120 mm (4.72 in) 291 kg (642 lbs) 156 kg (345 lbs) 110/80 - 17 57H Tubeless type 150/70 - 17 69H Tubeless type Hydraulic single disc, 262 x 2 cm² (40.6 x 2 sq in) Hydraulic single disc, 200 x 2 cm² (31.0 x 2 sq in) 12.0 lit (3.18 US gal, 2.64 Imp gal) 2.0 lit (2.10 US qt, 1.76 Imp qt) 27º 111 mm (4.37 in) 497 cc (16.8 US oz, 17.4 Imp oz) 502 cc (16.9 US oz, 17.6 Imp oz) 133 mm (5.2 in) 128 mm (5.0 in) |
| Engine |
Type Cylinder arrangement Bore and Stroke Displacement Compression ratio Valve train Oil Capacity :after disassembly :after draining Air filtration Cylinder Compression Intake valve :opens Idle speed |
Water cooled twin, 4 stroke SOHC engine 2 Cylinders 52º V 79.0 x 66.0 mm (3.11 x 2.60 in) 647 cc (39.4 cu in) 9.4 : 1 Silent, multi-link chain drive and OHC with rocker arms 2.8 lit (2.94 US qt, 2.46 Imp qt) 2.3 lit (2.43 US qt, 2.02 Imp qt) 2.2 lit (2.32 US qt, 1.94 Imp qt) 1.6 lit (1.51 US qt, 1.41 Imp qt) 2.2 lit (2.32 US qt, 1.94 Imp qt) Forced pressure and wet sump Paper filter 1324 ± 196 kPa (13.5 ± 2 kg/cm², 192 ± 28 psi) 10º BTDC at 1mm lift 40º ABDC at 1mm lift 40º BBDC at 1mm lift 10º ATDC at 1mm lift 0.15 ± 0.02 mm (0.006 ± 0.0008 in) 0.20 ± 0.02 mm (0.008 ± 0.0008 in) 80 kg (176 lbs) 1200 ± 100 rpm |
| Carburetion |
Carburetor type Identification number Pilot screw initial setting Float level |
Constant velocity dual carburetor VDGKA [VDGLA (California model)] 9.2 mm (0.36 in) |
| Drive Train |
Clutch Transmission Primary reduction Final reduction Gear ratio I Gear ratio II Gear ratio III Gear ratio IV Gear ratio V Gear shift pattern |
Cable operating, multi-plate, wet 5-speed 1.888 (36/68) 2.750 (16/44) 2.769 (13/36) 1.882 (17/32) 1.450 (20/29) 1.174 (23/27) 0.965 (29/28) Left foot operated return system, 1-N-2-3-4-5 |
| Electrical |
Ignition Ignition timing "F" mark Full advance Starting system Alternator Battery capacity Spark plug Spark plug gap Firing order Fuse / Main fuse |
Digitalized full transistor ignition 10º BTDC at idle 31º BTDC at 7000 ± 200 rpm Starter motor 240 W / 5000 rpm 12 V 8 Ah MF Battery 0.80 - 0.90 mm (0.031 - 0.035 in) Front - (232º) - Rear - (488º) - Front 10 A x 6, 15 A x 1 / 30 A |
| Lights |
Headlight (high / low beam) Tail / Brakelight Front turn signal / running light Rear turn signal light Instrument light Oil pressure warning light High beam indicator Turn signal indicator Neutral indicator |
12 V - 60 / 55 W 12 V - 2 / 32 cp x 2 SAE No. 1157 12 V - 32 / 3 cp SAE No. 1034 12 V - 32 cp SAE No. 1073 12 V - 3.4 W x 1, 1.7 W x 2 12 V - 3.0 W 12 V - 3.0 W 12 V - 3.0 W x 2 12 V - 3.0 W |
| Up to 90 Kg (200 lbs) load | Front Rear |
225 kPa (2.25 kg/cm², 33 psi) 225 kPa (2.25 kg/cm², 33 psi) |
| Up to maximum weight capacity | Front Rear |
225 kPa (2.25 kg/cm², 33 psi) 250 kPa (2.50 kg/cm², 36 psi) |
| 49 st, model | California model | |
| '88 | 2 - 1/8 turns out | 2 - 1/2 turns out |
| After '88 | Front: 1 - 1/2 turns out Rear: 1 turns out |
1 - 3/8 turns out |
| NGK | ND | |
| Standard | DPR8EA-9 | X24EPR-U9 |
| For cold climate (below 5ºC, 41ºF) | DPR7EA-9 | X22EPR-U9 |
| For extended high speed riding | DPR9EA-9 | X27EPR-U9 |
