ceramic coating a Honda 919 header - Wrist Twisters
 
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post #1 of 10 Old 08-03-2015, 04:51 AM Thread Starter
Milites Gregarius
 
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ceramic coating a Honda 919 header

I'm looking into ceramic coating the header on my 919. I had the pipes done on my Harley (gasp) last year. I recall the guy stating that his blast media could get caught in small passages. Are there any obstructions inside the stock pipe that should be of concern? What about the Y pipe?

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post #2 of 10 Old 08-03-2015, 05:20 AM
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The Y-pipe can have a catalytic converter in it, so that's an obstruction.

Shouldn't be any obstructions in the header. This isn't a poorly engineered Milwaukee product, after all.

1986 Honda Nighthawk 700S
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post #3 of 10 Old 08-03-2015, 05:41 AM Thread Starter
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Thanks for the info CB700S. The Harley is older so it would be imagineered in Milwaukee at best.

I tried to fish something through the header this morning and was unsuccessful. Obviously I can't see through the header with the upswing at the rear. I figured the ball in the center of the Y was likely a cat. I guess its best to leave that alone and just coat the header section.

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post #4 of 10 Old 08-03-2015, 05:43 AM Thread Starter
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Is the cat a California model thing or did it change in later years? My 919 is an 06.

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post #5 of 10 Old 08-03-2015, 05:50 AM
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Originally Posted by ray.beard View Post
Is the cat a California model thing or did it change in later years? My 919 is an 06.
Cats were included on later (post-mid-2002) 919s as Federal laws were changing. If you have a fat 'can' in the middle of your Y-pipe next to the inlet clamp, you have a cat.



Many earlier 919s had catted Y-pipes fitted by dealers after complaints of exhaust stink, so even early non-CA bikes can have one.

For sure, if you have *any* middleweight or heavier major maker bike made in MY2006 or later, you've got a cat thanks to Federal mandate.

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post #6 of 10 Old 08-03-2015, 05:56 AM Thread Starter
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I do have a bulge before the Y (TWSS). If I have a cat is there any reason not to switch the Y to an earlier cat. I have a feeling I'll be using the search engine tonight to do more research.

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post #7 of 10 Old 08-03-2015, 06:19 AM
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Originally Posted by ray.beard View Post
I do have a bulge before the Y (TWSS). If I have a cat is there any reason not to switch the Y to an earlier cat. I have a feeling I'll be using the search engine tonight to do more research.
1. The earlier pipe is not available any more from Honda, who will only sell the next to last catted pipe (part 18380-MCZ-D12) for earlier models. That one came from the 04-05 California model.

2. 06-07 bikes have a slightly larger cat due to the 06-on standards. That one's 18380-MCZ-D13, no matter whether it was CA or not.

Here's the part number breakdown:
18380-MCZ-611 - 2002 to 2003 California emissions pipe
18380-MCZ-003 - 2002 to 2005 Federal emissions pipe
18380-MCZ-D12 - 2004 to 2005 California emissions pipe
18380-MCZ-D13 - 2006 to 2007 50-state emissions pipe

D12 and D13 are the only ones that Honda will sell any more. D12 is what the pre-06 bikes are supposed to use and D13 is what the post-06 bikes came with and are legally obligated to use. Interesting to note that there isn't a -000 version.

I have *heard* that the 02-05 pipe could sometimes be had with a bulge that had nothing in it, i.e., was catless from the factory. However, that does not match what I've seen - every single US market 919 'bulge' pipe that I've looked at has had a cat in the bulge. Euro models were different, of course, and they had no-bulge Y-pipes for some years, I don't know what the breakdown is for them.

I have a relatively early production bike (MY2002, 1500 series serial number); the pipe appears to be original and when I took the pipe off to check it several years ago there was a cat in the bulge. This is a 49-state bike that was originally sold right here in the Dallas area. I'm the third owner; the second didn't replace it (actually he didn't replace *anything* even though there were things he should have) and I can't get ahold of the first one. The dealership he bought it from and had it serviced at didn't have any records of the pipe being replaced.

Reasons not to switch: Exhaust stench will get a *lot* worse and you'll have more soot.

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post #8 of 10 Old 08-03-2015, 10:57 AM
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about how much does it cost?

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post #9 of 10 Old 08-03-2015, 11:17 AM Thread Starter
Milites Gregarius
 
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I think I paid about $150 to do a pair of pipes for my Harley. The guy I used does headers for dirt track race cars (Zemco) as well as other coatings to race car drive line parts (Winters). He's located just south of Littlestown PA.

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post #10 of 10 Old 08-03-2015, 12:04 PM
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You can contact these guys:

Jet-Hot Ceramic Coatings

“I said I never had much use for one.
Never said I didn't know how to use it."
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