Specifications

System type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pressurised, pump-assisted thermo-syphon with front mounted
radiator and electric cooling fan Pressure cap rating
Up to 1986:
1.1 litre OHV engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.9 bar (13.0 lbf/in2) 1.3 and 1.6 litre CVH engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.85 to 1.1 bar (12.0 to 15.7 lbf/in2) 1986 onwards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.98 to 1.2 bar (14.2 to 17.0 lbf/in2) Thermostat
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wax Start to open temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85° to 89°C (189° to 192°F) Fully open temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102°C (223°F) (±3°C/5°F for used thermostats) Torque wrench settings Nm lbf ft Radiator mounting bolts: Pre-1986 models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 to 10 5 to 7 1986 models onwards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 to 27 15 to 20 Thermostat housing bolts: OHV engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 to 21 13 to 16 CVH engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 to 12 7 to 9 Water pump bolts:
OHV engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 to 10 5 to 7 CVH engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 to 10 5 to 7 Water pump pulley (OHV engines) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 to 11 6 to 8 Fan shroud to radiator:
Pre-1986 models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 to 10 5 to 7 1986 models onwards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 to 5 2 to 4 Fan motor to shroud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 to 12 7 to 9

    See also:

    Weber 2V carburettor automatic choke unit - adjustment
    XR3 models 1 Remove the air cleaner as described in Section 2. 2 Disconnect the electrical lead to the automatic choke. 3 Unscrew and remove the three screws which hold the automatic choke housi ...

    Specifications
    General Engine type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Four-cylinder, in-line overhead valve Capacity: 1.1 litre: OHV engines . . . . . ...

    Inlet manifold - removal and refitting
    Caution: Refer to the precautions in Section 1 before proceeding. Note: A tachometer and an exhaust gas analyser will be required to check the idle mixture on completion. A new gasket must be us ...