Honda ATC 70 Carburator adjustment - ATVConnection.com ATV Enthusiast Community


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  #1  
Old 12-09-2001, 12:55 PM
Weekend Warrior
 
Join Date: Dec 2001
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I just tore down and thoroughly cleaned this carb. I didn't replace any parts inside it. Before I cleaned it, it would idle rough at startup and the warmer the engine got, the higher the idle would get. It would get to a point where I would get tired of messing with it and would just park it.

Now after cleaning the carb, it's a bit tough to keep it idling high enough to run. It seems to idle good for 10-15 seconds and gradually idles down enough to stall out. Can someone go through the adjustment process with me on this? I've installed a brand new plug, wire, fuel lines, fuel filter, and coated the inside of the tank with Kreem. The fuel going through the filter is nice and clear (it's a see-through filter) and no trash or foreign objects have found their way into the carb.

Worth noting... before I cleaned the carb, it was quite dirty. There had been old gas in it for probably 6 months while it sat in the elements. I haven't opened the engine up, but it does smoke a very small amount of gray smoke, and the exhaust seems to smell like it's running rich.

Thanks for any guidance to this newbie that anyone can give!

Pat
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  #2  
Old 06-13-2012, 03:03 PM
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Join Date: Jun 2012
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I have a ATC 70 (1982) I need to know were the fuel line on the bottom of the fuel bowl goes.
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  #3  
Old 06-13-2012, 08:24 PM
Trailblazer
 
Join Date: May 2006
Posts: 86
Default fuel line

The fuel line on the bottom of the carb should just hang down and be tucked or tied out of the way. This is usually a drain from the bowl, and there should be a screw on the bottom of the bowl that controls whether this is closed or open.
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Old 06-14-2012, 06:32 AM
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Quote:
Originally Posted by crispy1960 View Post
The fuel line on the bottom of the carb should just hang down and be tucked or tied out of the way. This is usually a drain from the bowl, and there should be a screw on the bottom of the bowl that controls whether this is closed or open.
Thanks for the input. I thought that was the case.
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1979, 70, 70r, adjust, adjustment, adjustments, atc, atc70, carb, carburetor, fast, honda, idle, settings, tuning


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