SV superbike leaking/using coolant

Morgan Jones morgan at morganjones.org
Sun Sep 21 10:01:05 PDT 2008


Hmm.. so is the stock base gasket copper?  Is Cometric the gasket of 
choice?  This bike is 680cc so I'm going to need an aftermarket head 
gasket at least.

-morgan


zoran wrote:
> heat,things move when hot.if you have copper base gasket that would do 
> it.
> yes,you need to replace it.
>
>
> Zoran Vujasinovic
> Twin Works Factory
> 775-786-4881
> www.twfracing.com ----- Original Message ----- From: "Morgan Jones" 
> <morgan at morganjones.org>
> To: "Suzuki SV650 Mailing List" <sv650 at micapeak.com>
> Sent: Sunday, September 21, 2008 9:48 AM
> Subject: Re: SV superbike leaking/using coolant
>
>
>>
>> Hrmph..  That was my read.. but what would cause that?  Is the 
>> solution just to replace the base gasket?
>>
>> -morgan
>>
>>
>> zoran wrote:
>>> it is leaking through base gasket.
>>>
>>>
>>> Zoran Vujasinovic
>>> Twin Works Factory
>>> 775-786-4881
>>> www.twfracing.com
>>> ----- Original Message ----- From: "Morgan Jones" 
>>> <morgan at morganjones.org>
>>> To: <sv-dl-riders at googlegroups.com>; "Suzuki SV650 Mailing List" 
>>> <sv650 at micapeak.com>
>>> Sent: Sunday, September 21, 2008 8:18 AM
>>> Subject: SV superbike leaking/using coolant
>>>
>>>
>>>>
>>>> Hello everyone,
>>>>
>>>> My '99 SV track bike has developed what I think is a coolant leak.. 
>>>> It was down probably a cup of coolant after my last track day.   I 
>>>> filled it and took it to the track again yesterday.  After a full 
>>>> day of riding it is down about 6 inches.  It still cools fine but 
>>>> of course that's sort of a lot of coolant for a track day..
>>>>
>>>> Well in the middle of the day I pulled off the bodywork and this is 
>>>> what I found:
>>>>
>>>> http://www.philadelphiariders.com/gallery/Pocono_080920/MG_2975
>>>> http://www.philadelphiariders.com/gallery/Pocono_080920/MG_2981
>>>> http://www.philadelphiariders.com/gallery/Pocono_080920/MG_2982
>>>>
>>>> It's definitely coolant--it's just a touch damp and smells like 
>>>> water wetter.  There is evidence that there was fluid in the belly 
>>>> pan but very little (like 1/2 cup).  The pan is totally dry.
>>>>
>>>> I cleaned it up and ran the bike until the fan kicked on and 
>>>> couldn't see evidence of leaking.  I took the bike back on the 
>>>> track and it used more coolant.
>>>>
>>>> A little background: I bought the bike with a popped freeze plug 
>>>> which lead to a blown head gasket.  That was 2 years and 12-20 
>>>> track days ago.
>>>>
>>>> This is a worked bike:  680cc, carillo rods, valve work, race cams, 
>>>> flat slides.  The work was all done many owners ago and as far as I 
>>>> can tell it was done well..  it has run like a Swiss watch in the 3 
>>>> years and probably 25 track days I've owned it.  It's 90hp at the 
>>>> wheel depending on whose dyno you ask.  It is clearly faster than 
>>>> other SVs on the track.
>>>>
>>>> Any ideas?  I want desperately for someone to tell me that's 
>>>> dripping from somewhere and I just need to look harder..  That's 
>>>> not what it looks like to me.  Could this be a leak from the water 
>>>> jacket at the base gasket? Does that ever happen?
>>>>
>>>> thanks.
>>>>
>>>> -morgan 
>>>
>>



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