From: justAL on
So you're saying it was pissing out of the overflow?
Can you put a figure to that? 150ml, 500ml?
How much was in it to start with?
Can you put a figure to that?

It can still leak out of the overflow and not present a significant change
in level.

Just because there's a puddle of fluid under your bike that's 2 feet square
doesn't mean that what's left has dropped below the minimal service level

justAL

"Phil S" <philsearl(a)wideband.net.au> wrote in message
news:45d18971$1(a)news.eftel.com.au...
> justAL wrote:
>> I believe Nev is trying to say.
>> It came from the radiator....ie. It was doing it's job.
>>
>> justAL
>>
>>
>> "Phil S" <philsearl(a)wideband.net.au> wrote in message
>> news:45d17dd7$1(a)news.eftel.com.au...
>>> Nev.. wrote:
>>>> Phil S wrote:
>>>>> Recently on two days over 37 degrees when stopped at the end of a trip
>>>>> the coolant from the overflow bottle on my Honda VTR 1000 overflowed
>>>>> (I suspect it boiled from the temperature from the surrounding
>>>>> engine). There was no problem with the radiator and it didnt boil over
>>>>> into the overflow coolant tank. . I think it is purely from the
>>>>> location of the coolant reservoir between the cylinders of the engine.
>>>>> Has anyone elso had this problem.
>>>> What makes you think the water in the plastic bottle external to the
>>>> engine would be hotter than the water inside the engine where all the
>>>> heat was being generated?
>>>>
>>>> Nev..
>>>> '04 CBR1100XX
>>> No water escaped from the engine / radiator. The coolant tank has an
>>> overflow hose at the top with nothing to stop it escaping. I am only
>>> guessing at this stage though.
>>> Phil
>>
>>
> No it didnt come from the radiator. The coolant bottle emptied. The next
> day I had the bike serviced and the radiator was still full. Surely if it
> had come from the radiator its level would have dropped. The Honda dealer
> had no real answer.
> Phil


From: Phil S on
justAL wrote:
> So you're saying it was pissing out of the overflow?
> Can you put a figure to that? 150ml, 500ml?
> How much was in it to start with?
> Can you put a figure to that?
>
> It can still leak out of the overflow and not present a significant change
> in level.
>
> Just because there's a puddle of fluid under your bike that's 2 feet square
> doesn't mean that what's left has dropped below the minimal service level
>
> justAL
>
> "Phil S" <philsearl(a)wideband.net.au> wrote in message
> news:45d18971$1(a)news.eftel.com.au...
>> justAL wrote:
>>> I believe Nev is trying to say.
>>> It came from the radiator....ie. It was doing it's job.
>>>
>>> justAL
>>>
>>>
>>> "Phil S" <philsearl(a)wideband.net.au> wrote in message
>>> news:45d17dd7$1(a)news.eftel.com.au...
>>>> Nev.. wrote:
>>>>> Phil S wrote:
>>>>>> Recently on two days over 37 degrees when stopped at the end of a trip
>>>>>> the coolant from the overflow bottle on my Honda VTR 1000 overflowed
>>>>>> (I suspect it boiled from the temperature from the surrounding
>>>>>> engine). There was no problem with the radiator and it didnt boil over
>>>>>> into the overflow coolant tank. . I think it is purely from the
>>>>>> location of the coolant reservoir between the cylinders of the engine.
>>>>>> Has anyone elso had this problem.
>>>>> What makes you think the water in the plastic bottle external to the
>>>>> engine would be hotter than the water inside the engine where all the
>>>>> heat was being generated?
>>>>>
>>>>> Nev..
>>>>> '04 CBR1100XX
>>>> No water escaped from the engine / radiator. The coolant tank has an
>>>> overflow hose at the top with nothing to stop it escaping. I am only
>>>> guessing at this stage though.
>>>> Phil
>>>
>> No it didnt come from the radiator. The coolant bottle emptied. The next
>> day I had the bike serviced and the radiator was still full. Surely if it
>> had come from the radiator its level would have dropped. The Honda dealer
>> had no real answer.
>> Phil
>
>
In 4000 km of travel lost no coolant. Two v hot days and lost whole of
contents of coolant reservoir. Only observed between 1-2 square feet of
fluid on each of two days when stopped. Some could have escaped during
slow travel before stopping. Temperature gauge was within normal limits
at all times.
Phil
From: Dale Porter on
"Phil S" <philsearl(a)wideband.net.au> wrote in message news:45d191d0(a)news.eftel.com.au...
> justAL wrote:
>> So you're saying it was pissing out of the overflow?
>> Can you put a figure to that? 150ml, 500ml?
>> How much was in it to start with?
>> Can you put a figure to that?
>>
>> It can still leak out of the overflow and not present a significant change in level.
>>
>> Just because there's a puddle of fluid under your bike that's 2 feet square doesn't mean that what's left has dropped below the
>> minimal service level
>>
>> justAL
>>
>> "Phil S" <philsearl(a)wideband.net.au> wrote in message news:45d18971$1(a)news.eftel.com.au...
>>> justAL wrote:
>>>> I believe Nev is trying to say.
>>>> It came from the radiator....ie. It was doing it's job.
>>>>
>>>> justAL
>>>>
>>>>
>>>> "Phil S" <philsearl(a)wideband.net.au> wrote in message news:45d17dd7$1(a)news.eftel.com.au...
>>>>> Nev.. wrote:
>>>>>> Phil S wrote:
>>>>>>> Recently on two days over 37 degrees when stopped at the end of a trip the coolant from the overflow bottle on my Honda VTR
>>>>>>> 1000 overflowed (I suspect it boiled from the temperature from the surrounding engine). There was no problem with the
>>>>>>> radiator and it didnt boil over into the overflow coolant tank. . I think it is purely from the location of the coolant
>>>>>>> reservoir between the cylinders of the engine. Has anyone elso had this problem.
>>>>>> What makes you think the water in the plastic bottle external to the engine would be hotter than the water inside the engine
>>>>>> where all the heat was being generated?
>>>>>>
>>>>>> Nev..
>>>>>> '04 CBR1100XX
>>>>> No water escaped from the engine / radiator. The coolant tank has an overflow hose at the top with nothing to stop it
>>>>> escaping. I am only guessing at this stage though.
>>>>> Phil
>>>>
>>> No it didnt come from the radiator. The coolant bottle emptied. The next day I had the bike serviced and the radiator was still
>>> full. Surely if it had come from the radiator its level would have dropped. The Honda dealer had no real answer.
>>> Phil
>>
>>
> In 4000 km of travel lost no coolant. Two v hot days and lost whole of contents of coolant reservoir. Only observed between 1-2
> square feet of fluid on each of two days when stopped. Some could have escaped during slow travel before stopping. Temperature
> gauge was within normal limits at all times.
> Phil

I'm yet to own a single vehicle, car or bike, that doesn't have some coolant come out the overflow pipe on really hot days.

Bear in mind that the coolant will heat up when the engine is switched off before cooling down.

--
Dale Porter
GPX250 -> CBR600 -> VTR1000 + VT250F-J


From: Nev.. on
Phil S wrote:
> Nev.. wrote:
>> Phil S wrote:
>>> Recently on two days over 37 degrees when stopped at the end of a
>>> trip the coolant from the overflow bottle on my Honda VTR 1000
>>> overflowed (I suspect it boiled from the temperature from the
>>> surrounding engine). There was no problem with the radiator and it
>>> didnt boil over into the overflow coolant tank. . I think it is
>>> purely from the location of the coolant reservoir between the
>>> cylinders of the engine. Has anyone elso had this problem.
>>
>> What makes you think the water in the plastic bottle external to the
>> engine would be hotter than the water inside the engine where all the
>> heat was being generated?
>>
>> Nev..
>> '04 CBR1100XX
> No water escaped from the engine / radiator. The coolant tank has an
> overflow hose at the top with nothing to stop it escaping. I am only
> guessing at this stage though.
> Phil

It's a sealed system with only one overflow point. When the engine
overheats, the water expands from the radiator into the coolant overflow
tank, the plastic bottle. When that is full it overflows. i.e.. When
you see the overflow tank overflowing, it means that the cooling system
has overheated. When the engine cools, it will draw the overflowed
water back into the radiator from the overflow tank. With a cold
engine, take the radiator cap off. If there is no water in the overflow
tank it probably means that the radiator will need topping up too. If
there is water in the overflow tank and the radiator is full it means
that probably a small amount of water overflowed, probably need to get
the cooling system checked out. If there is water in the overflow tank,
but the radiator is not full, you REALLY need to get the cooling system
checked.

Nev..
'04 CBR1100XX
From: Beefhooked on

"Nev.." <idiot(a)mindless.com> wrote in message
news:45d19747$0$31877$5a62ac22(a)per-qv1-newsreader-01.iinet.net.au...
>> Phil
>
> It's a sealed system with only one overflow point. When the engine
> overheats, the water expands from the radiator into the coolant overflow


So what your saying Nev is that water expands when heated?
Interesting...


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