Painting engine question - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 17 (permalink) Old 11-29-2017, 09:55 AM Thread Starter
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Painting engine question

I had an accident last month and since I'm having to replace a few things (rip Vance and Hines pipe) I decided that this is the perfect time to paint the engine. I'm basically doing a complete tear down and re-painting/polishing everything down to the last bolt. So that brings me to the engine. I'll be using the VHT high temp gloss black paint and taping off the fins/all chrome. I would also like to keep all the bolts on the bike chrome. So short of meticulously taping off every bolt, what's the best way of doing this? I was think about doing a rough tape round all the bolts and then completely finishing the rest of the engine and then taking off tape, unscrewing bolts slightly, taping them off and then spraying around/under bolts. I already have a non leaking solid engine so in the process of unscrewing each bolt one by one and painting I would hate to cause any issues and I'm aware that some/ if not all bolts will need to be torqued to specs, which is fine but would prefer to not have to replace any gaskets and such if doing the above process warrants it. Also, what about the cylinder head gasket and other rubber parts on the engine, can those be hit with the VHT or should they be taped off? I'm looking to turn this VN to near showroom quality so everything will be meticulously cleaned/replaced and when I'm done I don't want to look back at 1 bolt and go "should have taken more time on that" so response from that standpoint would be greatly appreciated.

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post #2 of 17 (permalink) Old 11-29-2017, 12:05 PM
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We didn't bother with the 'every bolt' thing. It would have taken forever!

If you're loosening 1 bolt at a time and re-tightening, it won't affect the gasket. If you have an entire covers set of screws loose, it could mess with the gasket.

We hit the rubber parts of the valve cover gasket with the VHT, seems fine so far.


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post #3 of 17 (permalink) Old 11-29-2017, 12:08 PM
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only way I can think of would be to tape all the bolts, OR, get new replacement bolts, and change them out after painting is done. doing one at a time *should* retain all the gasket seals and such.

might look into some sort of coating to put on the bolts that can be peeled off after painting, but I dont know of one off hand

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post #4 of 17 (permalink) Old 11-29-2017, 01:07 PM
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Quote:
Originally Posted by michiganteddybear View Post
only way I can think of would be to tape all the bolts, OR, get new replacement bolts, and change them out after painting is done. doing one at a time *should* retain all the gasket seals and such.

might look into some sort of coating to put on the bolts that can be peeled off after painting, but I dont know of one off hand
I've never tried it, but maybe Vaseline or other oil base substance....brushed on bolt heads with a very fine paint brush ?

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post #5 of 17 (permalink) Old 11-29-2017, 01:41 PM
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The time it would take to carefully coat each bolt with Vaseline or some easy to remove coating would likely take longer than just painting them, them backing them out and stripping the paint off (with a wire wheel in a dremel tool, or just solvent and a rag)

I'd likely remove each, one at a time ....then replacing, after polishing the heads to a mirror finish. Just chuck the bolt in a drill and use a pad with a fine metal polish. That against the black cases would look awesome
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post #6 of 17 (permalink) Old 11-29-2017, 02:05 PM
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Originally Posted by Knifemaker View Post
The time it would take to carefully coat each bolt with Vaseline or some easy to remove coating would likely take longer than just painting them, them backing them out and stripping the paint off (with a wire wheel in a dremel tool, or just solvent and a rag)

I'd likely remove each, one at a time ....then replacing, after polishing the heads to a mirror finish. Just chuck the bolt in a drill and use a pad with a fine metal polish. That against the black cases would look awesome
I agree with KM.....then clearcoat or clear finger nail polish to prevent future rust.

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Replaced ALL Cables . Kuryakyn LED Voltmeter
Jardine Fwd Controls, Custom Fenders w/Rails
Iridiums DPR7EIX-9 & Wires, Tuxedo Mod, Coil Mod, P/U Sensor Mod, Fork Seals,
Splines Lubed - 11/4/2012 - MF AGM Battery, Dampers went out @ 13+K !
After TOC MCCT's..... so amazingly quiet I discovered a rattling heat shield on my stock exhaust !

...have a Vulcan good day !
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post #7 of 17 (permalink) Old 11-29-2017, 08:29 PM
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Quote:
Originally Posted by Knifemaker View Post
The time it would take to carefully coat each bolt with Vaseline or some easy to remove coating would likely take longer than just painting them, them backing them out and stripping the paint off (with a wire wheel in a dremel tool, or just solvent and a rag)

I'd likely remove each, one at a time ....then replacing, after polishing the heads to a mirror finish. Just chuck the bolt in a drill and use a pad with a fine metal polish. That against the black cases would look awesome
Quote:
Originally Posted by WilliamTech3 View Post
I agree with KM.....then clearcoat or clear finger nail polish to prevent future rust.
X2 on both of these! It kinda sucks but its the best way if you're going for quality.

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post #8 of 17 (permalink) Old 11-29-2017, 10:27 PM
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post #9 of 17 (permalink) Old 12-19-2017, 10:00 AM Thread Starter
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This is how I'm going to do it, thanks. Since you made the Torque Value thread, I have a question for you. I'm about to do the tuxedo mod and replace the dampers while I have the engine out and I cannot find anywhere between the two manuals where it mentions the torque values for the mounting bolts on the inside alternator cover. I have some dificulty decifering the different terminoligy for the engine section of torque values.

Last edited by Knifemaker; 12-19-2017 at 02:08 PM.
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post #10 of 17 (permalink) Old 12-19-2017, 02:09 PM
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Quote:
Originally Posted by MikeIronTyson View Post
This is how I'm going to do it, thanks. Since you made the Torque Value thread, I have a question for you. I'm about to do the tuxedo mod and replace the dampers while I have the engine out and I cannot find anywhere between the two manuals where it mentions the torque values for the mounting bolts on the inside alternator cover. I have some dificulty decifering the different terminoligy for the engine section of torque values.
You say you looked here?:
https://www.vn750.com/forum/11-vn750-...ue-values.html

Do you mean stator?

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