Soak it with PB blaster and use Impact if available. I agree with a new socket as well - old worn sockets = rounded bolt heads. Using Mapp gas would be the additional step. It burns hotter than Propane. You'll find the little yellow bottles in the hardware store next to the little blue propane bottles. Hit it with one or two torches of MAPP gas for a while after a good soaking of PB blaster and you should be able to get it off. If the bolt head breaks, you can usually weld a nut over the broken-off stud. Avoid using any extensions if possible.
I wouldn't suggest the bottle jack method (although it does sound very good). This would actually result in a lot of broken tools. This is because it puts a lot of side-ways stress on all the components instead of axial (twisting) force on the bolt threads themselves. If you have used a 4-way tire iron, think about how using handles on both sides of the bolt versus just on one side like with a ratchet. If you've ever tapped a thread, the concept is the same. Tap handles are always "T" handles so that the tap doesn't break off. 100% of the force goes to the threads instead of the components like the handle, ratchet, socket, extension, ets. On Wed, Sep 21, 2016 at 3:25 PM, Jared Clifton <jared.clif...@gmail.com> wrote: > Ooh, Great idea Richard! I'll try that tonight. > > On Wed, Sep 21, 2016 at 1:09 PM, Richard Potter <rpot...@anaheim.net> > wrote: > >> GET A GOOD / NEW 6 point socket put a breaker bar on it then put a bottle >> of scissor jack under it >> >> With just enough pressure so it will not come off while pulling on the bar >> >> >> >> *From:* nighthawk_lovers@googlegroups.com [mailto:nighthawk_lovers@googl >> egroups.com] *On Behalf Of *Jared Clifton >> *Sent:* Wednesday, September 21, 2016 9:55 AM >> *To:* Nighthawk Motorcycle Lovers! >> *Subject:* Re: [Nighthawk Lovers] Stuck bolt >> >> >> >> I can try and take one later. I'm at work now. It's not completely >> stripped, but the corners are definitely rounded. It's one of the two 12 mm >> bolts on the underside that connect the pipes to the frame. So, to get to >> it you come up at it from under the bike. Not a ton of room to work. I >> suspect that the threads are a bit corroded and probably fused to the >> frame, particularly given that it's right next to the exhaust. >> >> >> >> Just hoping to hear some tricks I might not have tried yet, or what >> others have had success with. >> >> >> >> -Jared >> >> On Wednesday, September 21, 2016 at 9:51:19 AM UTC-7, Richard Potter >> wrote: >> >> Can you post a photo of the bolt? >> >> >> >> *From:* nighthaw...@googlegroups.com [mailto:nighthaw...@googlegroups.com] >> *On Behalf Of *Jared Clifton >> *Sent:* Wednesday, September 21, 2016 9:22 AM >> *To:* Nighthawk Motorcycle Lovers! >> *Subject:* [Nighthawk Lovers] Stuck bolt >> >> >> >> I bought a replacement exhaust for my '83 NH 650, and while taking the >> existing one off, I ran into a stuck bolt. One of the 12mm bolts on the >> underside that holds the exhaust to the frame. I tried a breaker bar, my >> impact driver, some liquid wrench, and some of those Craftsman Bolt >> Extractors, and in the end, just ended up rounding off the bolt. Thought I >> would post about it here and see if anyone has any recommendations before I >> spend any more money. I hear good things about PB Blaster, but I worry I >> won't be able to get it up into the threads, since the bolt is upside down. >> I also read about using a propane torch on it (although that made me a >> little nervous). Any thoughts? >> >> >> >> -Jared >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Nighthawk Motorcycle Lovers!" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to nighthawk_love...@googlegroups.com. >> To post to this group, send email to nightha...@googlegroups.com. >> Visit this group at https://groups.google.com/group/nighthawk_lovers. >> For more options, visit https://groups.google.com/d/optout. >> >> >> ------------------------------ >> >> >> THIS MESSAGE IS INTENDED ONLY FOR THE USE OF THE INDIVIDUAL OR ENTITY TO >> WHICH IT IS ADDRESSED AND MAY CONTAIN INFORMATION THAT IS PRIVILEGED, >> CONFIDENTIAL, AND EXEMPT FROM DISCLOSURE UNDER APPLICABLE LAWS. 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