26
Water pump
If the water pump becomes noisy or liquid leaks through the pump drain hole, check the water pump as
described
in Chapter 5-Flywheel cover. Follow these steps:
- Put the vehicle on the central stand on level ground.
- Remove the lower right-hand side panel and the right-hand footboard as described in Chapter 8-
Bodywork of the X9- 500 cc manual;
- Remove the sleeves from the water pump cover and the filler cap from the expansion tank and empty the
cooling circuit.
- Drain the cooling system by removing the sleeves located on the water pump cover and the plug located
on the expansion tank.
- After solving the problem and refitting all components, fill and bleed the cooling circuit again.
Warning
- Perform the operation when the engine is cold.
- Remove the water pump cover shown in the figure after loosening the six fixing screws.
- Cooling circuit capacity: ~ 1.8 lt.
- As described in Chapter 5-Engine of the X9 500cc manual, partially drain the system and overhaul the
pump.
Checking the valve gear timing
- With a wrench of the TORX type, remove the timing check plug located on the flywheel cover.
- Remove the transmission cover and relevant insulation as described in Chapter 3-Automatic
Transmission.
- Remove the head cover as described in Chapter 7- Thermal Unit and Timing System.
- Turn the driving shaft by means of the driving pulley until the reference mark on the magneto support
coincides with the mark on the flywheel cover (TDC).
- Make sure that the reference mark on the phonic wheel is aligned with the mark on the head. If
necessary, turn the driving shaft accordingly.
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