Vstar 1300 has high idle after 10 mins of ride - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
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post #1 of 22 (permalink) Old 10-05-2018, 01:34 AM Thread Starter
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Unhappy Vstar 1300 has high idle after 10 mins of ride

Hello..

My Motor cycle 2012 vstar 1300 tourer, lately behaving odd, it gets high idle after 10 mins of ride, it is both when you pull the clutch or put into neutral. Very annoying, any suggestion?
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post #2 of 22 (permalink) Old 10-05-2018, 01:01 PM
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Does it have a EFI controller on it? cobra/powercommander/...
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post #3 of 22 (permalink) Old 10-05-2018, 02:23 PM Thread Starter
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Hello... it has cobra exhaust and was installed when I got it 4 years back. So if so it might have it. How would I check? So would that gone bad? Spark plug is due planning to replace it soon
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post #4 of 22 (permalink) Old 10-05-2018, 07:07 PM
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hi idle can be caused by a vacuum leak, by a failed throttle position sensor (if your bike has one). If its fuel injected then the map sensor or temp sensors can throw it out of wack.
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post #5 of 22 (permalink) Old 10-05-2018, 07:10 PM Thread Starter
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Vaccum leak from where? Any easy way to check?
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post #6 of 22 (permalink) Old 10-05-2018, 07:26 PM
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The New members introduction thead is for everyone to get to know you, new rider, New bike, etc. If you post your bikes issue in Vstar forum with as much detail as possible I'm sure you will get more exposure and replies. Here's a few interesting threads to check out when you get a chance.

https://www.starbikeforums.com/forum...ms-bike-month/

https://www.starbikeforums.com/forum...ighlight=Yammy

https://www.starbikeforums.com/forum...where-you.html

https://www.starbikeforums.com/forum...enced-you.html

https://www.starbikeforums.com/forum...ature-you.html

Ride often and safe.
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2001 Vstar 1100 Classic (sold), Cobra Slash Cut full exhaust, Dropped 1 inch with lowering links, ORK, 4.5 inch handlebar risers, Ultimate passenger seat, Passenger pegs moved forward 4 inches, Handlebar clock, KN air filter, Viking saddlebags, Additional rear lighting
Loose nut "me" behind the bars
2006 Harley Electra Glide Ultra Classic

https://sites.google.com/site/vstar1100kb/home
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post #7 of 22 (permalink) Old 10-05-2018, 07:30 PM
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Im pretty sure your bike is fuel injected. You need to look between the throttle bodies and the intake manifolds to the cylinders. If you spray the area with WD40 while the engine is idling, and the idle speed changes, then the spray has hit an intake (vacuum) leak and sucked the fluid in like fuel.

check any hoses in that area, and the caps on the short tubes you would normally attach a vacuum gauge to. Sometimes those crack or fall off.
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post #8 of 22 (permalink) Old 10-06-2018, 08:09 AM
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searching on other high idle problems that have come up in the last year, one bike had a bad ignition module (he called it the 'igniter'). That does not happen very often.

It was advancing the timing when the bike was idling. That can also happen if the throttle position sensor or wire has failed.
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post #9 of 22 (permalink) Old 10-07-2018, 11:09 PM Thread Starter
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Just side note: My motor cycle has Cobra Exhaust, and looks like it does not have Fuel management system: fi2000, do you think this would help? Any pointers helpful. Will spray oil soon.
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post #10 of 22 (permalink) Old 10-08-2018, 05:30 AM
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if you have a propane torch that works too, without spraying WD40 all over your intake manifolds.

obviously you dont light the torch, you use it to dispense the propane.

Here is a good website on that: https://www.hunker.com/13414896/how-...k-with-propane
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