Yellow paint

[andut]

.....my fuel tank and side covers have yellow paint, and neither appear to have moved for years ....

[MrDavo]

What have I started?

ETA I don't know if we are allowed to link to other forums, but heres a link to a Pelican Parts thread about it, mod please delete if inappropriate:

http://forums.pelicanparts.com/porsche-924-944-968-technical-forum/539731-whar-does-yellow-red-paint-bolts-signify.html

[Spitfire]

When I had finished rebuilding my F1 I used Humbrol yellow (#69 Gloss) to mark all what I though of as critical nuts and bolts for my own piece of mind as I had never done a 100% every nut and bolt restoration before, so I wanted to be sure that nothing loosened off.
Humbrol are back in production in the UK now, they have switched production back from China

Cheers

Dennis

[Green1]

I have a gallon of fireproof eggshell in yellow if anyone wants a thimble full   

[MrDavo]

My mate Mark, who's a classic bike dealer these days, he used to have a bike shop, turned up yesterday to do a valuation on my bike for the insurance agreed value.

We used to Classic race together, usually in different classes, but we both have the same photo on the wall of the two of us side by side at Brands in 1994 at John Surtees' 60th Anniversary meeting, me on a 500 Triton, Mark on his 350 MV twin ( I beat him, just )



I mentioned this thread to him, he told me about Demon Tweeks paint pens, so I don't need the Gallon, Green1!

https://www.demon-tweeks.co.uk/motorsport/workshop-consumables/demon-tweeks-paint-sticks

[Green1]

I'm not made of money I was only offering a thimble full 

Mick

[RGP750]

 

[AshimotoK0]

I have a gallon of fireproof eggshell in yellow if anyone wants a thimble full   

Did you buy it in bulk from this chap   

https://www.youtube.com/watch?v=0jcnr3lZJIU

[matthewmosse]

When I worked for an engineering / manufacturing firm they used paint pens to mark critical bolts on new machinery once assembled, they even had 3 coulors so each build station producing new stuff had it's own coulor- in theory giving traceability to who assembled anything. I geuss it's a nice touch on an immaculate restoration. Interestingly I've picked up some right rough old clunkers that still had this paint on some bolts, probably indicating in these cases a total lack of any maintenence, at least two ofmy bikes have had that still on the headstock nuts so probably never saw fresh grease in the headstock in 30 years.

[MrDavo]

If they use it in industry, then I guess the reason you never see it mentioned in a service bulletin is that all the places you find the paint marks were tightened at the factory.

[UK Pete]

If we're a dealer thing I am sure the yellow would vary from dealer to dealer and why would they all stick to yellow
Must be factory applied

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