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Author Topic: 1981 Kawasaki GPz550 Cafe Build  (Read 28535 times)

Offline Sam_I_Am

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Re: 1981 Kawasaki GPz550 Cafe Build
« Reply #70 on: Mar 17, 2018, 19:52:00 »
Thanks guys. Lots of work re-sealing up this tank. What are some tricks you've come across?
1981 GPz550 Cafe Build

Offline Sam_I_Am

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Re: 1981 Kawasaki GPz550 Cafe Build
« Reply #71 on: Mar 18, 2018, 02:50:54 »
I lowered the front fender to hug the tire a little more. Dropped it down 5/8"
1981 GPz550 Cafe Build

Offline doc_rot

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Re: 1981 Kawasaki GPz550 Cafe Build
« Reply #72 on: Mar 18, 2018, 13:50:29 »
Thanks guys. Lots of work re-sealing up this tank. What are some tricks you've come across?
brazing or silver solder

Offline Sam_I_Am

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Re: 1981 Kawasaki GPz550 Cafe Build
« Reply #73 on: Mar 18, 2018, 18:02:58 »
brazing or silver solder

Thanks - I welded it all up, ground smooth and will fill with water. Drill out the leaks and reweld and smooth. Just picked up some bindi. Ready to get riding.
1981 GPz550 Cafe Build

Offline Sam_I_Am

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Re: 1981 Kawasaki GPz550 Cafe Build
« Reply #74 on: Mar 18, 2018, 23:29:50 »
Taking paint off!
1981 GPz550 Cafe Build

Offline doc_rot

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Re: 1981 Kawasaki GPz550 Cafe Build
« Reply #75 on: Mar 19, 2018, 15:15:27 »
Just my .02 but I would pressure test the gas tank before you paint it. Gas flows through much smaller holes than water will and filling the tank with water won't tell you if there are no leaks. The way I do it is get an expandable rubber stopper, take it apart so you just have the rubber, and put it in the gas hole with a bicycle pump in the center hole of the plug. Plug the petcock holes and Have somebody pump the bike pump while you submerge the whole tank in a bathtub to see if any bubbles come out. You don't need more than a couple pounds of pressure or you will deform the tank. Not trying to nitpick, but having painted a tank and had to go back to repair leaks I know what a pain in the ass it can be. Nice work so far  8)
« Last Edit: Mar 19, 2018, 15:17:07 by doc_rot »

Offline Maritime

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Re: 1981 Kawasaki GPz550 Cafe Build
« Reply #76 on: Mar 19, 2018, 15:33:49 »
Plugging the petcock is better than the percocet hole for sure ;D I see you corrected the autocorrect there doc.  +1 to what Doc said. Finding a leak after paint is a real bitch so I'd do what he suggests to be 100% sure there are no leaks.
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Offline Sam_I_Am

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Re: 1981 Kawasaki GPz550 Cafe Build
« Reply #77 on: Mar 19, 2018, 16:22:21 »
Just my .02 but I would pressure test the gas tank before you paint it. Nice work so far  8)

Thanks! Good idea. Talked to a few now and they all said similar.
1981 GPz550 Cafe Build

Offline Sam_I_Am

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Re: 1981 Kawasaki GPz550 Cafe Build
« Reply #78 on: Mar 21, 2018, 01:59:30 »
Looking for paint schemes... Color in and repost your ideas!
1981 GPz550 Cafe Build

Online The Jimbonaut

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Re: 1981 Kawasaki GPz550 Cafe Build
« Reply #79 on: Mar 21, 2018, 10:37:43 »
Damn I love that tank.  I'm not much of a cowl guy but man I love that cowl too.  I'm the wrong guy to offer any kind of opinion on colour - I leave my tanks brushed metal and clear coat!  But how about a deep dark slightly metallic orange with some blood red stripes?  Or that orange on the tank with red knee dents and a two tone cowl?

Damn, maybe I'll paint my next tank after all...
"I'm telling you Donnie, nuthin' but nuthin' but right"