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Genuine Roughhouse 50 carb

 
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Rumplypluto
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Joined: 27 May 2020
Posts: 2

Rough house 50

PostPosted: Mon Aug 10, 2020 11:33 pm    Post subject: Genuine Roughhouse 50 carb Reply with quote

Okay quick question

I have the standard 50cc carb fitted and since changing to a different exhaust the bike is now running very rich.

The only adjustment is the idle speed screw which won’t help.

So I have uncovered the none slotted mix screw. If I cut a small groove in it with dremel will it turn or is it just a blanking plate?

Don’t really want to fork out $200 for an adjustable one if I can help it
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tenders
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Joined: 03 Dec 2018
Posts: 274

Buddy International 50 Italia

PostPosted: Sat Oct 10, 2020 10:10 pm    Post subject: Reply with quote

I don't have a Roughhouse, and I don't know much about mods, but if you've upped the exhaust, isn't it more likely to be running lean rather than rich?

The screw you're referring to only adjusts the idle air/fuel mixture. Typically when you change the displacement, exhaust, or intake, the high speed jet size needs to be increased. The screw only governs a very small and less-critical portion of the range of the engine (less critical at least in terms of performance and longevity).

It is possible that if you haven't changed the intake or the displacement that you don't need to do much to the carb - but don't quote me on that.
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