| 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/cm², 33psi) |
| Rear |
225kPa (2.25 kg/cm², 33psi) |
| Up to maximum weight capacity |
Front |
225kPa (2.25 kg/cm², 33psi) |
| Rear |
250kPa (2.50 kg/cm², 36psi) |
| Front brake, lining swept area |
Hydraulic single disc, 262x 2cm²(40.6 x 2sq in) |
| Rear brake, lining swept area |
Hydraulic single disc, 200x 2cm²(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 |
27º |
| 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 52º 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/cm², 192 ± 28psi) |
| Intake valve |
Opens |
10º BTDC at 1mm lift |
| Closes |
40º ABDC at 1mm lift |
| Exhaust valve |
Opens |
40º BBDC at 1mm lift |
| Closes |
10º 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 |
10º BTDC at idle |
| Full advance |
31º 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 5ºC, 41ºF) |
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-(232º)-Rear-(488º)-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 |
