| 88-91 HAWK GT SPECIFICATIONS | |||||
| ITEM | SPECIFICATIONS | ||||
| DIMENSIONS | Overall length | 2,085mm (82.1 in) | |||
| Overall width | 750mm (29.5 in) | ||||
| Overall height | 1,075mm (42.3 in) | ||||
| Wheelbase | 1,430mm (56.3 in) | ||||
| Seat height | 778mm (30.6 in) | ||||
| Foot peg height | 355mm (14.0 in) | ||||
| Ground clearance | 155mm (6.1 in) | ||||
| Dry weight | 168kg (370.3 lbs) | ||||
| Curb weight | 184kg (405.6 lbs) | ||||
| FRAME | Type | Twin tube diamond, aluminum | |||
| Front suspension, travel | Telescopic fork, 130 mm (5.12 in) | ||||
| Rear suspension, travel | Swingarm, 120 mm (4.72 in) | ||||
| Gross vehicle weight rating | 291 kg (642 lbs) | ||||
| Maximum weight capacity | 156 kg (345 lbs) | ||||
| Front tire size | 110/80-17 57H Tubeless type | ||||
| Rear tire size | 150/70-17 69H Tubeless type | ||||
| Cold tire pressure | Up to 90 kg (200 lbs) load | Front | 225kPa (2.25 kg/cm�, 33psi) | ||
| Rear | 225kPa (2.25 kg/cm�, 33psi) | ||||
| Up to maximum weight capacity | Front | 225kPa (2.25 kg/cm�, 33psi) | |||
| Rear | 250kPa (2.50 kg/cm�, 36psi) | ||||
| Front brake, lining swept area | Hydraulic single disc, 262x 2cm�(40.6 x 2sq in) | ||||
| Rear brake, lining swept area | Hydraulic single disc, 200x 2cm�(31.0 x 2sq in) | ||||
| Fuel capacity | 12.0 lit (3.18 US gal, 2.64 Imp gal) | ||||
| Fuel reserve capacity | 2.0 lit (2.10 US qt, 1.76 Imp qt) | ||||
| Caster angle | 27� | ||||
| Trail length | 111mm (4.37 in) | ||||
| Fork oil capacity | 1988 | 497cc (16.8 US oz, 17.4 Imp oz) | |||
| After 1988 | 502cc (16.9 US oz, 17.6 Imp oz) | ||||
| Fork oil level | 1988 | 133mm (5.2 in) | |||
| After 1988 | 128mm (5.0 in) | ||||
| ENGINE | Type | Water cooled twin, 4-stroke SOHC engine | |||
| Cylinder arrangement | 2 Cylinders 52� V | ||||
| Bore and stroke | 79.0 x 66.0mm (3.11 x 2.60 in) | ||||
| Displacement | 647cc (39.4 cu-in) | ||||
| Compression ratio | 9.4: 1 | ||||
| Valve train | Silent, multi-link chain drive and OHC with rocker arms | ||||
| Oil capacity | after disassembly | 2.8 lit (2.94 US qt, 2.46 Imp qt) | |||
| with oil filter | 2.3 lit (2.43 US qt, 2.02 Imp qt) | ||||
| after draining | 2.2 lit (2.32 US qt, 1.94 Imp qt) | ||||
| Coolant capacity | Coolant change | 1.6 lit (1.51 US qt, 1.41 Imp qt) | |||
| Total system | 2.2 lit (2.32 US qt, 1.94 Imp qt) | ||||
| Lubrication system | Forced pressure and wet sump | ||||
| Air filtration | Paper filter | ||||
| Cylinder compression | 1,324 � 196kPa (13.5 � 2kg/cm�, 192 � 28psi) | ||||
| Intake valve | Opens | 10� BTDC at 1mm lift | |||
| Closes | 40� ABDC at 1mm lift | ||||
| Exhaust valve | Opens | 40� BBDC at 1mm lift | |||
| Closes | 10� ATDC at 1mm lift | ||||
| Valve clearance (cold) | Intake | 0.15 � 0.02 mm (0.006 � 0.0008 in) | |||
| Exhaust | 0.20 � 0.02 mm (0.008 � 0.0008 in) | ||||
| Engine weight | 80kg (176 lbs) | ||||
| Idle speed | 1,200 � 100 rpm | ||||
| CARBURETION | Carburetor type | Constant Velocity dual carburetor | |||
| Identification number | VDGKA [VDGLA] | ||||
| Pilot screw initial setting (USA Only) | 49 State model | California model | |||
| 1988 | 2-1/8 turns out | 2-1/2 turns out | |||
| After 1988 | Front: 1-1/2 turns out | 1-3/8 turns out | |||
| Rear: 1 turn out | |||||
| Float level | 9.2mm (0.36 in) | ||||
| DRIVE TRAIN | Clutch | Cable operating, multi-plate, wet | |||
| Transmission | 5-speed | ||||
| Primary reduction | 1.888 (36/68) | ||||
| Final reduction | 2.750 (16/44) | ||||
| Gear ratio I | 2.769 (13/36) | ||||
| Gear ratio II | 1.882 (17/32) | ||||
| Gear ratio III | 1.450 (20/29) | ||||
| Gear ratio IV | 1.174 (23/27) | ||||
| Gear ratio V | 0.965 (29/28) | ||||
| Gear shift pattern | Left foot operated return system, 1-N-2-3-4-5 | ||||
| ELECTRICAL | Ignition | Digitalized full transistor ignition | |||
| Ignition timing "F" mark | 10� BTDC at idle | ||||
| Full advance | 31� BTDC at 7,000 � 200 rpm | ||||
| Starting system | Starter motor | ||||
| Alternator | 240 W / 5,000 rpm | ||||
| Battery capacity | 12 V 8 Ah MF Battery | ||||
| Spark plug | NGK | ND | |||
| Standard | DPR8EA-9 | X24EPR-U9 | |||
| For cold climate (Below 5�C, 41�F) | DPR7EA-9 | X22EPR-U9 | |||
| For extended high speed riding | DPR9EA-9 | X27EPR-U9 | |||
| Spark plug gap | 0.80-0.90mm (0.031-0.035 in) | ||||
| Firing order | Front-(232�)-Rear-(488�)-Front | ||||
| Fuse/Main fuse | 10 A x 6, 15 A x 1/30 A | ||||
| LIGHTS | Headlight (high/low beam) | 12 V-60/55 W | |||
| Tail/brakelight | 12 V-2/32 cp x 2 | SAE No. 1157 | |||
| Front turn signal/running light | 12 V-32/3 cp | SAE No. 1034 | |||
| Rear turn signal light | 12 V-32 cp | SAE No. 1073 | |||
| Instrument light | 12 V-3.4 W x 1, 1.7 W x 2 | ||||
| Oil pressure warning light | 12 V-3.0 W | ||||
| High beam indicator | 12 V-3.0 W | ||||
| Turn signal indicator | 12 V-3.0 W x 2 | ||||
| Neutral indicator | 12 V-3.0 W | ||||