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Technical specification
Year1970-1976
Type1
Identification letterD
Engine code1/1200
kW25
BHP34
RPM3600
No. of cylinders4 (OHV)
Capacity (Fiscal)[cc]1192
Compression Ratio7.0
Siutable for unleaded petrol (+ = Yes, - = No)-
Minimum octane rating87
Ignition systemSZ, CB
Fuel systemSolex 30 Pict
Ignition system
Ignition coilBosch 0 221 114 006
Ignition coil supply voltage[V]11.0
Primary resistance[Ohm]3.6-4.1
Firing order1-4-3-2
Distributor (ECM)Bosch 0 231 137 039
Contact breaker gap / trigger air gap[mm]0.4
Dwell angle[°] (%)44-50 (49-56)
Tuning and emission
Ignition timing (o = without vacuum, + = with vacuum)o
Ignition timing - basic BTDC[rpm]0/800-900
Vacuum check (+ = advance, - = retard)+
Vacuum range32-35
Vacuum starts[mbar]3
Vacuum ends[mbar]93
Idle speed[rpm]800-900
Oil temperature for CO2 test[°C]60
CO level @ idle speed, tailpipe[%]2.0-4.0
HC level @ idle speed[ppm]500
CO2 level @ idle speed[%]13-16
O2 level @ idle speed[%]0.5-2.0
Spark plugs
Spark plugsBosch W8AC
Electrode gap[mm]0.7
Spark plugsChampion L86CC
Electrode gap[mm]0.8
Spark plugsNGK B5HS
Electrode gap[mm]0.7
Fuel system
Fuel pump delivery pressure[bar]0.24
Service checks and adjustments
Valve clearance - Inlet[mm]0.15 cold
Valve clearance - Exhaust[mm]0.15 cold
Compression Pressure[bar]6-9.9
Drive belt size - alternator[mm]9.5x900
Drive belt tension - alternator/PAS/AC[mm]15
Lubricants and capacities
Engine oil grade (moderate climate)10W/40
Engine oil classificationSG
Engine with filter[l]2.5
Gearbox 4/5 speed[l]2.5
Tightening torques
Cylinder head[Nm]10 / 32
Big end bearings[Nm]16 / 33
Flywheel / Driveplate[Nm]300
Spark plugs[Nm]35
Road wheels[Nm]120-130
Starting and charging
Battery12/60
Starter motorBosch EF(L)12V0.7
Minimum starting voltage[V]9
Maximum cranking amps[A]97-119
Alternator / RegulatorBosch
Voltage regulatorVA 14V 30A
Dimensions
Wheelbase[mm]2400
Track front/rear[mm]1308/1302
Tightening torque - steel wheels[Nm]120-130
Tightening torque - alloy wheels[Nm]120-130
Checking range - Front wheels
Load positioningunladen
Toe-in (N = negative, toe-out)[mm]2-5
Toe-in[°]0°15'-0°45'
Toe-in[°-1/100]0.50N-1P
Camber[°]0°10'-0°50'
Camber[°-1/100]0.17-0.83
Castor[°]2°20'-4°20'
Castor[°-1/100]2.33-4.33
Checking range - Four wheels
Load positioningunladen
Toe-in (N = negative, toe-out)[mm]2.75±0.25
Toe-in[°]0°30'±15'
Toe-in[°-1/100]0.50±0.25
Camber[°]0°30'±20'
Camber[°-1/100]0.50±0.33
Tolerance left/right[°]0°30'
Tolerance left/right[°-1/100]0.50
Castor[°]3°20'±1°
Castor[°-1/100]3.33±1
Castor adjustmentNot adjustable
KPI (SAI)[°]
KPI (SAI)[°-1/100]5
Included angle[°]5°30'
Included angle[°-1/100]5.50
Lock angles - max. inner[°]35°
Lock angles - max. inner[°-1/100]35
Lock angles - max. outer[°]33°20'
Lock angles - max. outer[°-1/100]33.33
Rear toe-in[mm]0.50N±1
Rear toe-in[°]0°5'N±10'
Rear toe-in[°-1/100]0.08N±0.17
Rear toe-in adjustmentNot adjustable
Rear camber[°]0°±1°
Rear camber[°-1/100]0±1

Tags

aircooled, engine, 1200cc, specification