'86 Tour Glide, EVO Main Gaskets Leaking
Road Master
Joined: Jan 2012
Posts: 856
Likes: 9
From: North Carolina
First of all, that is a sweet road glide.
I really have nothing to say except what has already been said. The slop in a bad base gasket will eventually cause a head gasket to go. Burning oil, valve guides, etc.. As far as the cylinders and rings, etc.. I would take a wait and see on that. The hatching might still be really good and not really need any attention. I figure that on an older bike no repair is permanent. Not that it should be half assed, but sometimes trying to fix what ain't broke creates an issue that didn't previously exist. Nevertheless, that is a great looking Road Glide.
I really have nothing to say except what has already been said. The slop in a bad base gasket will eventually cause a head gasket to go. Burning oil, valve guides, etc.. As far as the cylinders and rings, etc.. I would take a wait and see on that. The hatching might still be really good and not really need any attention. I figure that on an older bike no repair is permanent. Not that it should be half assed, but sometimes trying to fix what ain't broke creates an issue that didn't previously exist. Nevertheless, that is a great looking Road Glide.
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Outstanding HDF Member
Joined: Oct 2010
Posts: 2,706
Likes: 14
From: Near Frankenmuth, MI
Appreciate the comments. Many thanks to those sharing here.
I'm still uncertain what to expect as stock positioning of the cylinder studs. Was the '86 EVO studs with the flange on top and might have issues with stretched studs or damaged threads?
I really appreciate the thoughts on the base gasket's failing as the possible cause of the head gasket issue. That would mean it's less possible that there are any cylinder stud issues.
I didn't know the history of the Tour Glide and probably paid about 2 grand more than most would have thought it was worth. Then I had many of those little issues you don't discover until the bike is yours for a while, so my investment to renovate it was costly for a guy who barley could afford the cost of the old used bike. But step by step I've fallen more in love with this one of a kind old classic era / vintage ride. I'm planning to tackle the last of the needed repairs and spend this summer enjoying it all I can without a lot of maintenance concerns.
Anything else specific to the '86 EVO is also good to know. If you can think of anything I'd like to hear about it.
I'm still uncertain what to expect as stock positioning of the cylinder studs. Was the '86 EVO studs with the flange on top and might have issues with stretched studs or damaged threads?
I really appreciate the thoughts on the base gasket's failing as the possible cause of the head gasket issue. That would mean it's less possible that there are any cylinder stud issues.
I didn't know the history of the Tour Glide and probably paid about 2 grand more than most would have thought it was worth. Then I had many of those little issues you don't discover until the bike is yours for a while, so my investment to renovate it was costly for a guy who barley could afford the cost of the old used bike. But step by step I've fallen more in love with this one of a kind old classic era / vintage ride. I'm planning to tackle the last of the needed repairs and spend this summer enjoying it all I can without a lot of maintenance concerns.
Anything else specific to the '86 EVO is also good to know. If you can think of anything I'd like to hear about it.
Last edited by JohnnyC; Jan 27, 2014 at 11:12 AM.
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Outstanding HDF Member
Joined: Oct 2010
Posts: 2,706
Likes: 14
From: Near Frankenmuth, MI
Here's a followup:
I just spoke to the Indy I dropped the bike at back on February 10th and received a whole lot of news.
Loose headbolts, no hone marks left, piston skirts showing blowby.
I'm considering 9.5:1 new pistons and anticipating at least .10 to .30 over rebore.
Heads will be completely taken care of during the top end rebuild.
Right now it's a challenge to deal with the cold temps and the working conditions. Been so cold the machinist shut down his drafty shop for a while.
I appreciate all the concerns given, including cylinder and shop temps before boring. And even on assembly while seating it all with heat up and cool down cycles prior to taking it out on the road. Much more attention to detail than I could have imagined.
I just spoke to the Indy I dropped the bike at back on February 10th and received a whole lot of news.
Loose headbolts, no hone marks left, piston skirts showing blowby.
I'm considering 9.5:1 new pistons and anticipating at least .10 to .30 over rebore.
Heads will be completely taken care of during the top end rebuild.
Right now it's a challenge to deal with the cold temps and the working conditions. Been so cold the machinist shut down his drafty shop for a while.
I appreciate all the concerns given, including cylinder and shop temps before boring. And even on assembly while seating it all with heat up and cool down cycles prior to taking it out on the road. Much more attention to detail than I could have imagined.
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