Paint preparation 85 RZ350

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housej55
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Paint preparation 85 RZ350

#1 Post by housej55 » Wed Nov 11, 2015 12:09 pm

Hey guys, given the cost of getting all the bodywork repainted locally, if the plastics are in good shape with no cracks and currently have the decals on them, what is the recommended procedure outside of taking the decals off for paint prep? I know the tank is a little different, but just thinking about the plastics. With light sanding, is there a starting grit size and ending grit size? I suspect I won't need to do much with them being in good shape. I'm just looking to be able to reduce a little cost from the painter's side
Thanks


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evan_calgary
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Re: Paint preparation 85 RZ350

#2 Post by evan_calgary » Wed Nov 11, 2015 1:41 pm

Fix any defects/ridges/cracks etc. Spray primer to ensure you have actually fixed all of them then send on over. The final sand to whatever grit your painter wants before spraying takes very little time, its all the bodywork to prep the paint that takes forever. Don't leave any giant gashes from 120 paper or crap like that but I wouldn't worry about the final paper used, the painter will have to double check your work anyways.

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Questo vecchio rz
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Re: Paint preparation 85 RZ350

#3 Post by Questo vecchio rz » Wed Nov 11, 2015 3:17 pm

If the plastics are as you say in perfect condition nothing more than a deglaze of the paint or clear coat. Use liquid laundry detergent before and after. I don't know what you're going to do with the decals you can mask off with automotive low tack adhesive tape. But it will be obvious show. To do it good you should start fresh.
Sticker kids are probably around $80 for just the sides. Paint will probably be in the region of $125 if you're going to do it to that level you may as well just start from scratch remove the decals paint them apply decals and a clear coat. To be honest you really don't save much money doing it yourself unless you know what you're doing. Unfortunately nothing is cheap anymore. Rattle cans suck!I don't recommend them under hardly any circumstances unless you're trying to clean something up for a resale. FYI One can spend easily $1,000 for everything you need on a budget for all the equipment to spray yourself. Better hi and equipment can easily set you back up to 2500
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Questo vecchio rz
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Re: Paint preparation 85 RZ350

#4 Post by Questo vecchio rz » Wed Nov 11, 2015 10:54 pm

my above comment was actually the official knee-jerk reaction. Depending on where you're located in some markets / regions you used to be able to get catalyzed paint in a spray can that would be a cost-effective alternative its quality paint with a hardener but it can only be used for a short time and the decals do not need to be cleared.
you would have to strip paint them and clear them so basically just source the paint sand them if you can't paint them drop it off at a cheap paint shop just have him shoot that for you and apply your details and you're done. Story short just quality paint by whatever means or form you can locate it that is all that matters the decals will go easy
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96 GSXR SRAD, Future Yoshimura rep.
85 custom Tri-Z
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86 VFR750 RC24 Merkel replica (project)
Royal Enfield Bullet 500

housej55
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Re: Paint preparation 85 RZ350

#5 Post by housej55 » Sun Nov 15, 2015 11:04 am

Thanks for the info everyone, this is going to be a adventure but I'm going to check in to this.


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evan_calgary
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Re: Paint preparation 85 RZ350

#6 Post by evan_calgary » Sun Nov 15, 2015 1:18 pm

I know I will get flack for this comment but the paint store rattle cans that are 'professional' and matched ie. not crappy tire are actually pretty good at tomizing pint and can give you a good albeit not professional finish.

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JonW
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Re: Paint preparation 85 RZ350

#7 Post by JonW » Sun Nov 15, 2015 7:02 pm

I agree Evan, with experience you can paint ok with cans, but it takes patience and effort to get it right. A spray gun is better, but the setup is never cheap. Pro is always better, but costs a lot more.
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solo 2
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Re: Paint preparation 85 RZ350

#8 Post by solo 2 » Sun Nov 15, 2015 9:00 pm

You will get better results with a spray bomb than a cheap spray gun. Prep is everything, most paint errors can be fixed quite easily if you know how. Bad prep can't be fixed after the fact.

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Re: Paint preparation 85 RZ350

#9 Post by JonW » Sun Nov 15, 2015 9:58 pm

+1 to solo's post.
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LC Cnd
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Re: Paint preparation 85 RZ350

#10 Post by LC Cnd » Mon Nov 16, 2015 11:23 pm

If you decided to go spray gun, recommend using a two stage paint (colour 1st / clear coat 2nd) instead of single stage which provides a gloss finish in the first spray. I borrowed a neighbour's spray gun gear and he mentored me thru it. That included 1st reading an auto paint manual because I was a 1st timer as I needed to be prepped as much as my bike parts. I intially went with a single stage but replalced it with a 2 stage paint. 2 stage provides way more latitude for mistakes (runs, orange peeling etc) that you can simply sand out with 1000 grit paper and quickly repaint/repair any blemish. I had problems with insects attacted to the colour I used first oddly. Auto paint pros said the colour, not the odour, attracted them which was frustrating. This time of year bugs should not be a problem but curing the paint could be a challange depending on climate. I used a spray bomb etching primer because it bonds well to both bear metal and bondo or what ever filler is used for shaping out dents. The trick is 1st find out if the spray bomb primer is compatible to the paint you decide to use and paint curling will not occur when it gasses off. I ck'd with my paint suplier and used Dupont paint (harders/thinners included) which had zero concerns for blushing or humidity issues - not that I recommend painting in the rain is but do-able with the right room conditions. Proper ventillation and a good breathing mask is a must - even it you choose a spray bomb finish. I suspect this form has many paint pros who can add more wisdom to your effort. Total cost was for all materials $140 CND. Good luck with your adventure - I had fun despite the bugs. Decals are next!

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Re: Paint preparation 85 RZ350

#11 Post by housej55 » Mon Nov 16, 2015 11:33 pm

Thanks LC


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evan_calgary
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Re: Paint preparation 85 RZ350

#12 Post by evan_calgary » Fri Nov 20, 2015 10:10 pm

Good advice LC. 2 coat clear is catalyzed leaving a harder finish as well. Prep is most important as mentioned and prepping between coats. We have many projects that are as good as a professional job done in the garage albeit with about the best setup possible for a garage and lots of errors along the way figuring out what works.

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Re: Paint preparation 85 RZ350

#13 Post by whyzee79 » Tue Nov 24, 2015 4:40 pm

If the base paint is sticking well, you don't need to prime or strip if you are covering with the same color. Color sand with 320 grit and spray. A spraygun will always put more paint on than a spraybomb. You can get a decent paint job with a rattle can if you know what you are doing but you should just either get a gun or pay someone else to shoot it. I bought a cheap door jam gun from harbor freight and have been happy with the quality it shoots. It has the perfect spray width for motorcycle parts. HVLP with a gravity feed cup. I also have several upper end guns so I have something to compare it with. I paid 10 bucks on special. I was just going to use it to spray primer but it did such a nice job I now use it to finish parts too. You can also build a low budget spray booth in your garage for under 100 bucks. Body shops will also rent spray booth time and let you spray your project too. Many options for your budget.

housej55
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Re: Paint preparation 85 RZ350

#14 Post by housej55 » Thu Jan 07, 2016 1:57 am

Guys, is this correct with the yellow paint directly around the gas cap, or is that supposed to be painted black to match the black decals?Image


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Juicebox
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Re: Paint preparation 85 RZ350

#15 Post by Juicebox » Thu Jan 07, 2016 8:54 am

Mine has yellow around the cap...so I believe that is correct.

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