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Discussion Starter #1
Just looking at my sons 04 Nicky. Below the key switch is a plastic unit with a vacuum hose connected to it. What is it?
 

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Post a picture please, but does it look like this?

ImageUploadedByMO Free1398212459.441590.jpg
 

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Rock, I think he's talking about what's at the other end of that.

KT,
It sounds like the vacuum actuator for the flapper valve. It's one of those stupid things Honda did to cut down on intake noise. It can be removed if wanted.
Use the search function for more information, it's been covered.

Sent from Motorcycle.com App
 

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Rock, I think he's talking about what's at the other end of that.

KT,
It sounds like the vacuum actuator for the flapper valve. It's one of those stupid things Honda did to cut down on intake noise. It can be removed if wanted.
Use the search function for more information, it's been covered.

Sent from Motorcycle.com App

Ah rgr...makes sense. Post a picture. Also check out rc51.org for some of the normal mods done to the RC.
 

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Post pictures please because I believe you still have something from the flapper circuit from your somewhat vague description.

The boys have you on the right track. Visit RC51.org, that is the Bible of the RC51 on this side of the pond.:cool:
 

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Hahaha... and a smile it would bring to some...
ImageUploadedByMO Free1398217019.451676.jpg
 
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