How does the idle adjust screw work? - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
 
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post #1 of 3 (permalink) Old 05-02-2015, 12:28 AM Thread Starter
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How does the idle adjust screw work?

Could someone explain how the idle adjust screw (not the PMS screw) work on the vstar 650? Does this change the idle air/fuel mixture? I haven't been able to find a good explanation on how this works exactly so far.

Thanks!

2009 V Star 650 Custom Midnight
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post #2 of 3 (permalink) Old 05-02-2015, 04:27 AM
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All it does is adjust the throttle stop point. It's basically a screw with a knob on the end. Turn to the right to increase the ideal and turn to the left to decrease the throttle. It does not change the fuel/air mixture.

Thanks,
Todd
2011 Yamaha V-Star Custom 650 ( XVS650AB )

Southern Cruisers Chapter 017 (Southwest Al.)
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post #3 of 3 (permalink) Old 05-02-2015, 10:19 AM Thread Starter
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Thanks Tadelk. That makes sense.

2009 V Star 650 Custom Midnight
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