hammer5 Posted December 21, 2018 Share Posted December 21, 2018 On preparing my motorcycle for winter I noticed the paint & metal deterioration on the underside. I bought my 2016 bike earlier this year, never ridden in the rain, been exposed to salts, or used an aggressive cleaner. Not sure on the previous owner, but other than this area, it's pristine.Could anyone help me with this & maybe offer some advice on what it is, how to resolve it please?Edit: it's been soaked in ACF50 hence the oily shine . . Quote Link to comment Share on other sites More sharing options...
Mississippi Bullfrog Posted December 21, 2018 Share Posted December 21, 2018 Can't really see much on my phone from the photos, but the corrosion around the exhaust fixings is usual due to the heat (and to be frank the poor quality of components used these days on some bikes) I'd rub some copper assembly compound onto them as it's resistant to heat and will prevent corrosion forming. Quote Link to comment Share on other sites More sharing options...
hammer5 Posted December 21, 2018 Author Share Posted December 21, 2018 Thanks mate, I'm going to try & get under the engine paint tomorrow see what's going on. In regards to the copper assembly compound, would replacing them first make sense, or is that unnecessary? Quote Link to comment Share on other sites More sharing options...
Tango Posted December 21, 2018 Share Posted December 21, 2018 I'd replace them, mate......get some nice titanium ones.....or dome head nuts like I have on mine..... Quote Link to comment Share on other sites More sharing options...
hammer5 Posted December 21, 2018 Author Share Posted December 21, 2018 I'd replace them, mate......get some nice titanium ones.....or dome head nuts like I have on mine..... I'll have a look see if I can replace them tomorrow I've no idea on size, but the engine paint is stressing me out.A quick Google and the street can be a nightmare to remove the nuts apparently - poor triumph design.. Quote Link to comment Share on other sites More sharing options...
fastbob Posted December 21, 2018 Share Posted December 21, 2018 (edited) Is this the bit you mean ? Edited December 21, 2018 by fastbob Quote Link to comment Share on other sites More sharing options...
fastbob Posted December 21, 2018 Share Posted December 21, 2018 I've had a good look at the pictures, especially the second one, and if its the area in the middle you're concerned about I can see why . Something doesn't look right. It looks like badly applied filler with the paint coming off. Are you sure that this isn't some nasty repair job ? It seems so out of place . In fact the more I look at it, the more it looks like a combination of dodgy welding and filler. I hope it's not concealing something unpleasant. Quote Link to comment Share on other sites More sharing options...
hammer5 Posted December 22, 2018 Author Share Posted December 22, 2018 I'll have to check tomorrow to be certain but knowing the original owner as I do, it's doubtful. Quote Link to comment Share on other sites More sharing options...
Sherrif Posted December 25, 2018 Share Posted December 25, 2018 Looks like the alloy is oxidising under the paint and lifting it away hence looking like a botched filler jobby Was a very common problem on BMW1200GS bikes a couple of years agoI lifted paint off cleaned up metal and used an alloy primer before a repaint Quote Link to comment Share on other sites More sharing options...
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