Idle stumble. - VTXOA
 
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post #1 of 2 (permalink) Old 07-23-2019, 10:49 PM Thread Starter
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Join Date: Feb 2019
Posts: 7
Idle stumble.

Ok got a question. What are the symptoms of a bad carburetor vacuum piston diaphragm? 05 vtx1300. Here as of lately if I blip the throttle when it's at idle it stumbles. If I roll on it, it does ok. Other then that it runs great. I have a Glenn's long air/fuel mixture screw and it I'd adjusted correctly.
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post #2 of 2 (permalink) Old 07-24-2019, 08:24 AM
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Join Date: Jun 2005
Location: Conyers/McDonough, GA
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Accelerator pump sprays a shot of fuel into carb throat. Check it when you blip.

My experience with slide valve diaphragm was lack of top end, slow acceleration. Others had similar and other issues.

2005 1300c Red, Mustang seat, HK 2.5 straights. Leds for safety-front & back. 192,882 VTX miles
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