Merco 61 Posted July 13, 2018 Share Posted July 13, 2018 My latest unmissable eBay purchase and bargain.OS 120 .Exhaust bend loose in cyl head,closer examination seems to indicate it had been glued in.Threads in cyl head very worn.New head too expensive .Any suggestions for a high temp compound that might give a fix,albeit a once and for all,never unscrew again solution. Quote Link to comment Share on other sites More sharing options...
Dane Crosby Posted July 13, 2018 Share Posted July 13, 2018 Hi, Maybe the high temp silicone sealer used to seal joints on wood stove chimneys? I have never tried this so cannot guarantee it would work. Good luck with it. Quote Link to comment Share on other sites More sharing options...
Ace Posted July 13, 2018 Share Posted July 13, 2018 I have had good results with J B Weld (original cold weld). steel epoxy. So long as the metal is absolutely clean it sticks like snot to a horsehair blanket - and is hard and good for 300c. **LINK** Seems that it may now prove difficult to obtain which is a shame If you can find some grab it - it is good. Edited By Ace on 13/07/2018 11:54:03 Edited By Ace on 13/07/2018 11:59:24 Quote Link to comment Share on other sites More sharing options...
Bob Cotsford Posted July 13, 2018 Share Posted July 13, 2018 There's an advert that appears regularly on the BMFA classifieds for stripped plug repairs, it may be worth contacting him. IIRC there's a fair bit of meat for a helicoil on the 120. Quote Link to comment Share on other sites More sharing options...
RichB Posted July 13, 2018 Share Posted July 13, 2018 If you can't get the thread repaired, then JB Weld would be my recommendation but as Ace said, the parts must be clean. Quote Link to comment Share on other sites More sharing options...
Merco 61 Posted July 13, 2018 Author Share Posted July 13, 2018 Thanks for your help, will look out for the helicoil ads on BMFA.Have found some JB Weld locally and will give it a try. Ace,I now remember why we dumped the horsehair blankets. Quote Link to comment Share on other sites More sharing options...
Former Member Posted July 13, 2018 Share Posted July 13, 2018 [This posting has been removed] Quote Link to comment Share on other sites More sharing options...
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