OzSTOC
Honda ST1300 Section => Ask A Tech about your Honda ST1300 => Topic started by: redrider on September 04, 2016, 10:22:34 PM
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Hi all.lve been on this site about 12 months ago with this problem and now it's back again.original mechanical seal lasted 90000ks,l replaced seal and coolant.(HP Honda motorcycle coolant) this seal lasted 17000ks.changed everything including impeller and now18000ks we have a drop of green coolant from telltale hole.(no where else) played around with air cooled engines doing rebuilds for 40 yrs and this one has got me by the balls.I have seen many comments about using lube on the seal for initial start up.l have tried both!.l have seen also different ideas on how far the impeller gets pressed into the bearing.some say 23.5mm and some say right down to the shoulder on the impeller.Have tried both!.Can any body shed some light on this for me .Please thanks Brian
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Hi Brian,
Sorry to hear of your persistent problem. All I can suggest is to troll through the workshop manual, and here's a link to one you can download. http://ozstoc.com/index.php?topic=407.0 (http://ozstoc.com/index.php?topic=407.0) If you've done that already, then I'm out of ideas but hopefully someone else can offer some assistance. Have you tried the US ST site? http://www.st-owners.com/ (http://www.st-owners.com/)
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If the leak is from the rectangular hole consider this....its very common :wink1
http://ozstoc.com/index.php?topic=6874.msg78176#msg78176 (http://ozstoc.com/index.php?topic=6874.msg78176#msg78176)
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Just wondering if any one who has done this seal replacement successfully would like to give me a call on 0423168202. Would appreciate the chat before l start the next attempt as this is going to be the last. Cheers Brian