Quote:
Originally Posted by Bob Kelly
.... with the radiator mounted as high as it is on the RX4 there is little chance that there will be a bunch of air in the system like we used to get on 1970's ford cars....
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That's correct, in most motorcycles the radiator is the highest point in the cooling system, so is quite uncommon to have air bubbles.
But since it seems he never messed with the cooling system since he got it from the dealer, who knows.
If it was my motorcycle i would just flush down whatever is in the system and replace it with some a good brand of premixed organic coolant.