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Cleaning Inside Exhaust(SOLVED)

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Cleaning Inside Exhaust(SOLVED)

PostAuthor: jweese » Mon Jun 25, 2018 2:47 pm

Good afternoon! I managed to get my hands on a nice pair of exhaust pipes, used - slash cut, great shape and no issues. They are immaculate on the outside, but -- hey, dirty and lots of carbon build-up on the inside lol.

I figure, I've I'm rebuilding the engine, I might as well have clean pipes inside and out too - what's the best way to clean out the pipes?

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Re: Cleaning Inside Exhaust

PostAuthor: gleam » Mon Jun 25, 2018 6:49 pm

I would go to the dollar store and get the generic brand, super-sketch original formula oven cleaner and use that. Soak, get a bottle brush from the wine place, rinse, that sorta thing.

I've seen videos on youtube of people lighting the carbon deposits on fire somehow, too. Don't recall what they used, some sort of torch I think.
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Re: Cleaning Inside Exhaust

PostAuthor: mark75 » Tue Jun 26, 2018 3:07 am

:yup:
oven cleaner but rinse with HOT water [then dry] it because they are usually caustic

if just doing the 'visible' slash cut, you might go with brake cleaner and a brass brush - mind the fumes & wear PPE safety equipment [gloves and safety 'squint']
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Re: Cleaning Inside Exhaust

PostAuthor: jweese » Wed Jun 27, 2018 7:58 am

Thanks for the tips - I ended up using oven cleaner. Sprayed it down one end, let it sit for a couple minutes, then flushed it out the other end. Lots of black came out, enough to make me happy.

For the slash part itself - I wire brushed it, and that seemed to do the trick.

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Re: Cleaning Inside Exhaust

PostAuthor: Jake » Wed Jun 27, 2018 10:11 am

jweese wrote:Thanks for the tips - I ended up using oven cleaner.


Too bad you didn’t take before and after photos.
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Re: Cleaning Inside Exhaust(SOLVED)

PostAuthor: jweese » Wed Jul 04, 2018 3:53 pm

Problem I'm having now however, just to revive a dead subject - the shop rebuilding engine is saying the pipes won't fit. They're off an 83 xv750, mine is an 81 - should fit, correct?

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Re: Cleaning Inside Exhaust(SOLVED)

PostAuthor: Jake » Wed Jul 04, 2018 4:00 pm

Unless they’re not off an ‘83.
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Re: Cleaning Inside Exhaust(SOLVED)

PostAuthor: jweese » Wed Jul 04, 2018 4:03 pm

That's what I thought, but - can trust Kijiji only so far however, and without the bike in front of me for a comparison is made it difficult. Contacting the seller now, hoping for a reply, he seemed reasonable to deal with.

Sometimes I'm too trusting, I suspect I may have been taken which is disheartening to say the least.

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Re: Cleaning Inside Exhaust(SOLVED)

PostAuthor: mark75 » Wed Jul 04, 2018 5:18 pm

differences are at end & "ring nut" / how header pipe attaches to head
https://www.mrcycles.com/oemparts/a/yam ... 08/exhaust
vs
https://www.mrcycles.com/oemparts/a/yam ... xv700cs-ct


IIRC the "muffler" end of header-pipes are the same diameter.
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and --- Any day above ground is a good day.
so Laissez les bon temps roulez ... just roll safely

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Re: Cleaning Inside Exhaust(SOLVED)

PostAuthor: jweese » Wed Jul 04, 2018 7:41 pm

The guy I bought the pipes from has sent me pictures again and verify the pipes are correct. When I called the shop back and asked them to double-check to make sure the pipes were an issue they responded with "the pipes should fit but they may need to cut and reweld the mounting bracket"

Sometimes I wonder if I'm actually dealing with a bunch of monkeys.

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Re: Cleaning Inside Exhaust(SOLVED)

PostAuthor: Flyingdog » Thu Jul 05, 2018 5:11 am

jweese wrote:Sometimes I wonder if I'm actually dealing with a bunch of monkeys.

:dance: + ing monkeys.
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