Motor Type 843-05/ 843-06 (843-15/843-16 US detox)
No. of main bearings 5
Valves V formation
Block material Pressure diecast light alloy
Head material Light alloy
Lubrication Eccentric Rotor Oil Pump
Cooling Belt Driven Fan
Capacity 1,647cc
Bore x Stroke 79mm x 84mm
Compression Ratio 9.25:1 (8.0:1 US detox)
Aspiration Weber 32DARA
Twin choke downdraft carburettor
Automatic Choke
Max. Power
S.A.E. (72 bhp @ 5,000 rpm US detox)
D.I.N. 98 bhp @ 5,750 rpm"
Max. Torque (90 lb/ft @ 3,000 rpm US detox) D.I.N. 97.6 lb/ft @ 3,500 rpm
Timing (843-05/06)
Intake valve opens 30 degrees BTDC
Intake valve closes 72 degrees ABDC
Exhaust valve opens 72 degrees BBDC
Exhaust valve closes 30 degrees ATDC
Firing Order 1,3,4,2
Valve Clearance
Inlet Cold 0.20 mm
Exhaust Cold 0.25 mm
Manual Gearbox Type 395
No. of Speeds 5
Diff Ratio 3.778:1 (9x34)
Ratio & Speed in gear @ 1,000 rpm.
1st 3.818 7.32 km/h
2nd 2.235 12.51 km/h
3rd 1.478 18.91 km/h
4th 1.036 26.99 km/h
5th 0.861 32.46 km/h
Reverse 3.083 8.86 km/h
Clutch Single dry plate
Internal Diameter 130 mm
External Diameter 200 mm
Automatic Gearbox Type 4139
No. of Speeds 3
Diff Ratio 3.556:1 (9 x 32)
Ratio & Speed in gear @ 1,000 rpm.
1st 2.239 12.4 km/h
2nd 1.484 20.01 km/h
3rd 1.027 28.92 km/h
Reverse 2.054 14.46 km/h
Brakes Vacuum Servo Assist
Front Vented Disc
Rear Drum 228.5 mm
Swept Area
Front Discs 1,014 cm2
Rear Drums 574.4 cm2
Wheels 4.5" x 13"
Kerb Weights (Version 100)
R1318 (Man.) 1040 Kg
R1318 (Auto.) 1065 Kg
R1328 (Man.) 1080 Kg
R1328 (Auto.) 1105 Kg
Top Speed
R1318/28 (Man.) 170 km/h
R1318/28 (Auto.) 165 km/h