Refilling radiator

Chris Burgess chris at
Tue Sep 29 12:25:19 PDT 2009

Manual states to put the over flow to the full line after the bike has gone
through a heat cycle.

On Tue, Sep 29, 2009 at 12:24 PM, Jim Stewart <js at> wrote:

> Thumper Ray wrote:
>> I'm at work without access to my manuals.  Anything special about
>> refilling the radiator?  Rad had to come off and drained for repair.
>> I figure on slowly pouring in a couple quarts of Hondaline brand mix,
>> rotating the crank a couple times with ignition off to turn water
>> pump, and topping off, repeat.  This should eliminate air bubbles
>> although some air might bleed off over the first few miles.  Sound
>> reasonable?
> Nope. You'll never get rid of air bubbles that way, but you don't need to
> anyway. Just fill the radiator to capacity, squeeze both hoses to get the
> air out of them, and start the bike. I often do this with the cap removed.
> When the engine comes up to temperature shut it off and add coolant to the
> top, squeezing hoses again. Install cap.
> When the engine cools down, check the level again - it should be up to the
> top. If not, top it up.
> By the way, what is the coolant capacity, and should the overflow
>> tank be empty before starting up?
> Don't have my manual handy, sorry. The overflow tank should be filled to
> half-full or so.
> BTW, you can save about 50% on your coolant by buying undiluted and mixing
> 50-50 yourself. I use regular green automotive antifreeze. There are issues
> with the red stuff, but I forget what the problem is...
> -js

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