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Yes. But you will have to plug the vac line to the carb. A rebuild kit is would be a less expensive. That one you are looking at is too expensive. You can get one for about $15.00
 

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Discussion Starter #4
You can replace with any 18mm petcock (there are cheaper ones on ebay.) The replacement will not be a vacuum petcock so you will need to seal the vacuum port on your bike.

Here's the one I bought and it's worked fine for me. (I think this is it anyway as it was a while ago.)

New Tank Fuel Switch Valve Pump Petcock for Honda Nighthawk 18mm x 1mm | eBay

Awesome, thanks. You just saved me some money. Is the fuel line port a different size? And how do you recommend I plug the vacuum port?
 

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The fuel line might be slightly different (5/16" vs 1/4") I can't remember but I replaced the fuel lines while I was changing the petcock so it made no difference.

And I just plugged my vacuum line with a golf tee. Might eventually do something more permanent but so far it's fine.
 
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