Rear brake shoe lining check (Every 6000 miles or 6 months)
1 Due to the fact that the rear brake drums are combined with the hubs, which makes removal of the drums more complicated than is the case with detachable drums, inspection of the shoe linings can be carried out at the specified intervals by prising out the small inspection plug from the brake backplate and observing the linings through the hole using a mirror (see illustrations).
17.1a Brake shoe viewing hole location (arrowed) in backplate
17.1b Checking rear brake lining wear with a mirror
2 A minimum thickness of friction material must always be observed on the shoes. If it is worn down to this level, renew the shoes.
3 Do not attempt to re-line shoes yourself but always obtain factory re-lined shoes.
4 Renew the shoes in an axle set (four shoes), even if only one is worn to the minimum.
Valve clearance adjustment - OHV and HCS engines (Every 12 000
miles or 12 months)
OHV engines 1 This operation should be carried out with the engine cold and the air cleaner and rocker cover removed. 2 Using a ring spanner or socket on the crankshaft pulley bolt, turn the cran ...
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 ...
Crankcase ventilation system check (Every 12 000 miles (20 000 km) or 12
1 Inspect the crankcase ventilation system for blockage or damage. A blocked hose can cause a build-up of crankcase pressure, which in turn can cause oil leaks (see illustration). 35.1 Loosenin ...