Specifications

This page contains details of the Specifications, Performance and General Information relating to the One-Point-Five :-

General Information

Identification:             Chassis number - located on right handside door 'A'

                                post (first 150 ones on bulkhead, with a different

                                numbering system)

                                Mk 1 :- HSR1/101 to 18121

                                Mk 2 :- HSR1/18122 to 27897

                                Mk 3 :- R/HS2/101 to 12184

                                Body number - located on engine bulkhead under bonnet

                                Engine no.- on lhs of block -e.g 15RB-U-H-3379

Production dates:      1957(November) - 1965 (April)

Numbers built:           39,568

Price when new:        £815incltax (1960)

Construction:            All steel four-door saloon body of unit construction,

                               Separate front wings and valances.

Interior:                    Full leather interior with walnut dash and trimmings

Electric equipment:   Lucas 12volt, positive earth.

                               Standard - headlights with dimmerswitch, direction indication 
                               flashers, self parking wipers, twin horns & interior light.

Optional equipment:  Radio,cigarette lighter, exhaust deflector, wing mirrors,

                               wheel trims, radiator blind, reverse lamp, exterior sun-visor.

           Performance.

Maximum Speed:        87mph

Max Speed in Gears:   First -29 mph

                                  Second - 48 mph

                                  Third - 75 mph

Acceleration:               0-60mph- 18.5 secs

Standing quarter:         20.5 secs

Fuel Consumption:       25 - 30mpg

Braking efficiency:       30-0mph -33ft stopping distance.

Technical Specifications

Engine:-                     BMC ‘B’ series, 1489 cc, 4-cylinder, overhead valves.

                                 Compression ratio     8.3 : 1

                                 Bore                         73.025 mm

                                 Stroke                      88.9 mm

                                 Spark plugs              Champion N5 (14mm)

                                 Oil Pressure             50 lb/sq in. (normal)

                                 Carburetter               Twin S.U. Type H4, 1½ in.

                                 Petrol Pump             SU electric PD type

                                 Power                      68 bhp

                                 Torque                     83 lb/sq ft

DriveTrain:-                 MGA type four speed gearbox, BMC live rear axle.

                                 Clutch                      Hydraulically operated, Borg & Beck 8 inch

                                                                single dry-plate

         Gearbox                   Four forward, one reverse, syncro on 2,3 & 4

         Rear Axle                 3.73 : 1 ratio.

Suspension:-              Front                        Torsion bar, wishbones and dampers

                                 Rear                         Leaf spring with dampers.

                                 Tyres                        5.60 x 14

                                 Pressures                 front – 24 lb/sq in.

                                                                 rear – 24 lb/sq in.

Brakes:-                    Girling hydraulic system on all four wheels.

                                 Front                          9 in drums - twin leading shoe

                                 Rear                           8 in drums - single leading shoe

Dimensions:-            Track                       4 ft 2 in – front and rear.

                               Turning circle            34 ft 3in.

                               Wheelbase               7 ft 2 in.

                               Length                     12 ft 9¼ in.

                               Width                       5 ft 1 in.

                               Height                      4 ft 11¾ in.

                               Weight (unladen)       2060 lbs (934.2 kg)

                               Fuel tank                  7 gallons

                               Engine oil                 8 pints

                               Gearbox oil               5 pints

                               Radiator                   13 pints        

           Sources used for information:-

           The Riley One-Point-FiveDrivers Handbook (fifth edition)

           The Riley One-Point-Five Workshop Manual

           The Riley One-Point-Five Service Parts List

           'As Old as the Industry 1898-1969' by D GStyles.

           Riley One-Point-Five - saloonsfrom 1957 - P Olyslager

           Contemporary roadtests.

           The internet.