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| Specs from the 1982 Honda Brochure |
| Engine Type |
Three valve, Vertical Twin, OHC |
| Displacement |
447 CC |
| Bore & Stroke |
75 x 50.6 mm |
| Compression Ratio |
9.1:1 |
| Carburation |
Two, 33 mm, CV Type |
| Transmission |
Six Speed, Constant Mesh |
| Exhaust System |
Two-into-Two with Power Chamber |
| Clutch |
Wet, Multi-Plate |
| Brakes |
Front: Slotted Disc, Double Piston Caliper
Rear: Drum |
| Suspension |
Front: Air Assisted, Telescopic. Rear: Swing Arm |
| Tire Size |
Front: 3.60 S19. Rear: 4.10 S18 |
| Wheels |
Reversed Spoke Comstar |
| Ignition System |
C.D.I. |
| Starting System |
Electric |
| Gas Type |
Regular |
| Wheelbase |
1390 mm (54.7 in.) |
| Dry Weight |
171 Kg. (376.9 lbs.) |
| Overall Length |
2085 mm (82.1 in.) |
| Overall Width |
805 mm (31.7 in.) |
| Seat Height |
790 mm (31.1 in.) |
| Fuel Capacity |
13 litres (2.86 imp. gal.) (3.43 US gal.) |
| Colors |
Black or Silver Metallic |
| Specs from the Clymer Manual |
| Make & Model |
Honda CB450T Hawk |
| Years |
1982 |
| Tires |
| Front Tire |
3.60 x 19 |
| Front Tire Pressure |
28 psi, 2.0 kg/sq. cm |
| Rear Tire |
4.10 x 18 |
| Rear Tire Pressure |
28 psi, 2.0 kg/sq. cm - up to 206 lbs.
36 psi, 2.5 kg/sq. cm - up to vehicle load limit
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| Replacement Light Bulbs |
| Headlight |
12V 50/35W |
| Tail/Brakelight |
SAE 1157 |
| Front Directional Light |
SAE 1034 |
| Rear Directional Light |
SAE 1073 |
| Instrument Lights |
SAE 57 |
| Maintenance & Tune-Up Torque Specs |
| Oil filter cover bolt |
29-31 N-m, 21-22 ft.-lb. |
| Oil drain bolt |
25-35 N-m, 18-25 ft.-lb. |
| Fork cap bolt |
15-30 N-m, 11-22 ft.-lb. (air assist models) |
| Fork bridge bolts |
Upper - 9-13 N-m, 7-9 ft.-lb.
Lower - 18-25 N-m, 13-18 ft.-lb.
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Front fork
interconnecting
air hose
|
Air connector-to-fork cap bolt and
Air hose-to-fork cap bolt, 4-7 N-m, 3-5 ft.-lb.
Air hose-to-connector, 15-20 N-m, 11-14 ft.-lb.
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| Handlebar holder bolts |
18-25 N-m, 13-18 ft.-lb. |
| Rear axle nut |
68-100 N-m, 50-72 ft.-lb. |
| Fuel strainer cup |
3-5 N-m, 2-4 ft.-lb. (models so equipped) |
| Balancer chain |
8 mm adjust nut - 20-24 N-m, 15-18 ft.-lb. |
| Adjuster plate |
8 mm nut - 20-24 N-m, 15-18 ft.-lb.
10 mm nut - 30-35 N-m, 22-25 ft.-lb.
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| Cylinder head bolts |
30-35 N-m, 22-25 ft.-lb. |
| Tune-Up Specs |
| Valve Clearance |
0.08 - 0.12 mm (0.003 - 0.005 in.) - Intake
0.12 - 0.16 mm (0.005 - 0.006 in.) - Exhaust
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| Compression Pressure |
1,172 - 1,368 kPa (171 - 199 psi) |
| Spark Plug Type |
ND X24ESR-U or NGK DR8ES-L |
| Spark Plug Gap |
0.8 - 0.9 mm (0.032 - 0.036 in.) |
| Idle Speed |
1,200, + or - 100 rpm |
| Oil Capacity |
| Engine Oil |
2.6 U.S. qt., 2.5 liter - Oil drain
3.2 U.S. qt., 3.0 liter - Rebuild
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| Front Fork Oil |
172 cc, 5.8 fluid oz. |
| Drive Chain |
| Chain Type |
530 x 100 |
| Chain Replacement Number |
DID 50DS-100L or RK 50KS-100L |
| Front Sprocket |
16T |
| Rear Sprocket |
36T |
| Battery |
YB12A-A |
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Clymer Manual for the CB450T Hawk
Honda 400-450cc Twins, 1978-1987
Service, Repair & Maintenance
Tune-up and routine maintenance
Engine, clutch and transmission
Fuel and exhaust, Ignition system
Steering and suspension
Wheels, brakes and tires
Frame and body
Electrical system, Wiring Diagrams
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