Marbling/coastering - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 18 (permalink) Old 06-18-2015, 06:12 PM Thread Starter
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Marbling/coastering

Hey guys, I plan on doing either the marbling or the coastering, from what I've read on here it makes the bike run a little nicer and a little cooler, so I'm all for that, but just so I understand, if I marble it, I'm just sticking a marble in the hose coming from the emission valve thing going to each cylinder right? If I coaster it then I'm just removing the port that comes out of the top of the engine and installing a "coaster". if thats so couldn't I just fold over and zip tie that big hose before it goes into the emissions valve thing therefore closing off that to the engine? Also if I need it to pass inspection i can just undo it, get inspected then re zip it? Sorry for my lack of technical terms, when I say the emissions valve thing I mean the one under the seat that has the 2 big hoses going to the top of each cylinder and the 2 smaller ones going to the airbox and filter housing. I appreciate all the help I've gotten from you guys so far, my bike is running now and I've had her out a few times, I don't want to do this improvement and somehow screw it up...lol, Thanks in advance...
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post #2 of 18 (permalink) Old 06-18-2015, 09:25 PM
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You can use a spent 20g shotgun shell cut down to slip over the ports... I also siliconed them in... They look kool too

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post #3 of 18 (permalink) Old 06-19-2015, 02:12 PM
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They do emission tests on bikes in NY?

As the reed valves only open when closing the throttle I'd wonder if it still pass a test anyway with them closed off.

But yes, your just "sticking a marble" or something simular to close off those hoses. I wouldn't zip tie them as that could damage the hose.

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post #4 of 18 (permalink) Old 06-19-2015, 02:34 PM
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there are also vacuum plugs avail that will cover the port as well, the method I used.. I took the port in to the napa near me, and said "I need 2 plugs for this thingy" and they set me up

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post #5 of 18 (permalink) Old 06-19-2015, 02:58 PM
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Yes you can fold over the tubes and tie rap them as I think marbles are ILLEGAL in New York.

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post #6 of 18 (permalink) Old 06-19-2015, 10:50 PM
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Yes you can fold over the tubes and tie rap them as I think marbles are ILLEGAL in New York.
Lotsa things are illegal in NY

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post #7 of 18 (permalink) Old 06-19-2015, 10:51 PM
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Quote:
Originally Posted by Knifemaker View Post
They do emission tests on bikes in NY?

As the reed valves only open when closing the throttle I'd wonder if it still pass a test anyway with them closed off.

But yes, your just "sticking a marble" or something simular to close off those hoses. I wouldn't zip tie them as that could damage the hose.
Depending on the area,yes they do inspect bikes for emissions

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post #8 of 18 (permalink) Old 06-21-2015, 07:22 AM Thread Starter
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Marbling/coastering

Thanks for the info guys, like I said, I just didn't want to do something stupid because I didn't fully understand it. I like the vac port idea, I think I'll do that with the acct to mcct convo this week, thanks again.
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post #9 of 18 (permalink) Old 06-24-2015, 12:22 AM
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I suppose I'm weird.

I grabbed a tin can(soup can, beans, whatever) and cut it down so that it fit under the breather cover. The breather cover holds it in place, and everything is put together as normal.

Seems to work so far.

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post #10 of 18 (permalink) Old 06-24-2015, 02:37 PM
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Quote:
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I suppose I'm weird.

I grabbed a tin can(soup can, beans, whatever) and cut it down so that it fit under the breather cover. The breather cover holds it in place, and everything is put together as normal.

Seems to work so far.
I did that with my covers too.

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