Painting a frame with a touch of surface rust

[D O G]

Hello again.

The saga of the GS continues. When I bought it I failed to notice that the frame had a rust hole in it. Yes, I know, stupid me.

It's not in a majorly structural place (it's in the 'brace' between headstock and main frame spar), but it's there, and the rest of the frame is pretty poor too.

I bought a replacement frame and logbook, and have cleaned that over the weekend with lots of GUNK, so it is now free from grime. There are areas, however, which have mild surface rust. Non of it is significant or structural. Now I am going to paint the frame before swapping all of the running gear over (sounds easy when you type it).

The question is with what. I had intended to fully sand the rusty bits back to bare metal then go from there, but I was checking oot the hammerite in Halfrauds yesters which said you could apply straight onto rust, and then it would be protected for 5 years. Or whatever.

I'm not bothered how it really looks, I just want it to keep the rust down and prevent it from going the way my current frame has.

So, what would you do, or have done?

Grazie!

[Whosthedaddy]

My old FZR had a rather 'weathered look' here and pretty much there so opted for the Hammerite and brush method. It is like paiting with treacle and although it is easy to dab and dob in place the finish is no where as good as a gun or powder coat. Be warned too as the paint is still quite fragile and may come off a little when bolts are retightened against the frame.

If I were to do it again in the future then I may get some sort of primer and the hammerite in a rattle can.

It would have served its purpose if I had kept the bike for the future and looked a little fresher than before thats for sure.

As for reattaching all the running gear, that was quite easy in fact. Think of it like a giant Meccano set as you go. Just try and clean everything first as its removed and then it can be cleaned and polished if needed again before its fitted. This means that the newly painted frame will be less likely to get grubby from hand prints and the like.



Grazie already, you aint even there yet!
____________________
Current : MSX 125 Past : CBR 900RR Monkeybike : c50 LAC : ZXR750 H2 : FZR600 : ZX7R P3 : YW100 : TRX850: Trophy 900 T309 : GSXR 600 L0: Monkeybike : XJ6S Whosthedaddy

[D O G]

[Kickstart]

Hi

May be more expensive than you want but I would say to just get it shot blasted and powder coated. 90% of the work is the strip down / rebuild which you are doing anyway.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[Whosthedaddy]

The start...

https://www.bikechatforums.com/files/fzr600_065.jpg

The umptenth breakdown of the bike

https://www.bikechatforums.com/files/fzr600_067.jpg

Before

https://www.bikechatforums.com/files/fzr600_070.jpg

After

https://www.bikechatforums.com/files/fzr600_071.jpg

Close up with the cleaned shock linkage.

https://www.bikechatforums.com/files/fzr600_072.jpg

The start of the rebuild (how pikey can you get?)

https://www.bikechatforums.com/files/fzr600_074.jpg

I tried to cover up as much of the new paint as possible to eliminate fingerprints especially from handling the wheels and chain.

https://www.bikechatforums.com/files/fzr600_081.jpg

Whorage in the sun, not quite finished at the time but you get the idea.

https://www.bikechatforums.com/files/fzr600_085.jpg
____________________
Current : MSX 125 Past : CBR 900RR Monkeybike : c50 LAC : ZXR750 H2 : FZR600 : ZX7R P3 : YW100 : TRX850: Trophy 900 T309 : GSXR 600 L0: Monkeybike : XJ6S Whosthedaddy

[D O G]

[Kickstart]

Hi

Depends on the finish / colour you want. If you just want something protective then you might be able to get someone to do it on the cheap with a batch of industrial stuff. If you want a nice finish in a not particularly usual colour then at a guess about £80~£90 (difficult to say as I often land up ramping the bill up with a load of small brackets when I get it done).

As to the swinging arm, at least it can be done easily by unbolting it without a complete strip down. Could just pick up a spare to be done with the frame.

All the best

Keith
____________________
Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[carlperkins00...]

i personally would have sanded the whole frame smooth, primed, painted and laquered it the frame.

i know you dont care how it looks but if i were going to the trouble of taking the whole bike apart you might aswell of gone back to the basics on the paint.

i would have painted the frame the same blue as the fairing and laquered it to a shine, then painted all the small bits that look dull and cleaned every part of the bike then put it together.

that would turn it into a bit of a project i suppose but it would increase the value and looks of it.

no offence but the paint looks dull and lumpy like you would get on a steam train in a museum.

10/10 for effort though.

[Whosthedaddy]

Cant argue about the final result, it does look like paint on a loco. As I said it was like painting with thick glupe so a smooth mirror like finish was not really on the cards.

Can't remember if it was matt or gloss type finish but may have benefited from a lacquer to protect it more.
____________________
Current : MSX 125 Past : CBR 900RR Monkeybike : c50 LAC : ZXR750 H2 : FZR600 : ZX7R P3 : YW100 : TRX850: Trophy 900 T309 : GSXR 600 L0: Monkeybike : XJ6S Whosthedaddy

[carlperkins00...]

oh yeah sorry i forgot that you did it with a brush, i thought you used the spray that goes ontop of rust.

i thought the lumpness was because you had left loads of rust on there and just covered it up

[Mark65]

[markta]

hi,
where abouts are you if your near shropshire & can get the frame here i could get it shotblasted & powder coated for 90 quid if thats any help,but the powder coating is industrial grade & its not as shiny etc as when you pay big bucks for your bike frame,but if you want a reasonable job at low cost this is probably the answer,time you messed around cleaning frame down & price of hammerite & etch primer etc..
p.s only thing is might take a couple of weeks to get done,as my mate doesnt blast frames etc untill hes got enough in to make it worth while.........

[markta]

hi,
where abouts are you if your near shropshire & can get the frame here i could get it shotblasted & powder coated for 90 quid if thats any help,but the powder coating is industrial grade & its not as shiny etc as when you pay big bucks for your bike frame,but if you want a reasonable job at low cost this is probably the answer,time you messed around cleaning frame down & price of hammerite & etch primer etc..
p.s only thing is might take a couple of weeks to get done,as my mate doesnt blast frames etc untill hes got enough in to make it worth while.........

[alan52]

I'm in the process of tidying up my frame as well, tried out the hammerite and brush, it does look a bit rough and it's more fragile than I had hoped.
I read on another forum about some other paints that sound pretty good.

POR-15 looks to be a good choice for a base coat.

Then PJ1 as a topcoat.

I've no idea if POR-15 comes in a spray can, but hammerite in a spray can then PJ1 over it might be tough enough.

I'll probably be lazy and just use a PJ1.

[carlperkins00...]