OzSTOC
Honda ST1300 Section => Honda ST1300 General Questions => Topic started by: Snigdog on February 21, 2018, 08:47:48 PM
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Hi
Just recently have noticed small quantity of coolant on ground underneath engine after start up but disappearing after bike warms up. After starting with plastic ware off have found coolant weep from small hole on side of water pump housing. Is this a telltale that water pump seal is bypassing and needs to be replaced? Bike (2006) is a high miler (~125000 kms) but otherwise in good condition
Thanks
Rick
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That does sound like the water pump seal is gone. I think David Silver spares (UK) has pump kits, not sure tho.
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The mechanical water pump seal. I have had it let go about two years ago, about 110klm. Had all sorts of advice such as it will be right when it warms up, will stop leaking etc. End of the day, its not meant to leak from the inspection hole so I got it repaired. A bit outside my skill level. I stripped the bike of all Tupperware, gave the engine a real good clean up and that made it a lot easier for my mechanic to repair and a bit cheaper for me as well. The front has to come off so that gave my mechanic a chance to have a good look inside around the transmission etc for any other problems (which there were not), in fact he commented how clean the gears and cogs etc were for its age.