Main Motorcycle: 2007 Triumph Speed Triple
Join Date: Aug 2012
Location: New York
I cant see how this situation is ok. I know the speedy is prone to spitting a little coolant out of the overflow line and maybe gettin a little rust/sediment collecting in the bottom of the tank, but that should really be the only activity going on in the reservoir.
I have been wrenching on cars and bikes for a long time and whenever I have come across brown gunk in the reservoir it has always been a sign of an issue. Either the coolant in there is boiling off (likely) or you have contaniment in the system. The only other time I see cruddy looking coolant is in a head gasket leak scenario when oil mixes with coolant.
My speedy has close to 20k miles on it and other than a little sediment/rust collecting at the bottom of the reservoir, the coolant in there still looks good.
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Last edited by Ebster1085; 11-21-2012 at 10:11 AM.