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CX 500 Custom : Radiator Expansion Bottle.
Check Water level at each Pre-Start Operation.
Apart from that there is minimal Maintenance required for the Bottle.
But if Bottle does need Repairing or Replacing it's an Engine Out Process.
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Coolant
Honda specs the volume of coolant held in the main system as 1.8L, and the reserve tank Expansion Bottle as 200ml to bring the total system volume to 2L. Honda recommended a 50:50 mixture of ethylene glycol and distilled water.
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The radiator and hoses will empty about 1.4L when drained; to drain the remaining ~400ml you will have to remove the drain bolts in the front of the engine, at the base of each cylinder.
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Press : SCHEMATICS
HONDA CX500C Radiator Bottle.
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