Idle - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 22 (permalink) Old 03-01-2019, 08:47 AM Thread Starter
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I have a 2007 Vulcan 900 classic LT the bike runs great only thing that kinda worries me is that when i start it it doesn’t have a high idle. It’ll start with an idle of about 800 rpm and as it warms up it’ll get to 1000 rpm. What could be wrong that it doesn’t have a high idle at start up? Is it something to worry about?

Last edited by torresrene; 03-01-2019 at 08:55 AM.
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post #2 of 22 (permalink) Old 03-01-2019, 09:04 AM
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If its a carb bike then you need to use the choke!
If fuel injection then the computer is controlling it.

And since you didnt say that it had an idling problem, it must be starting fine??
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post #3 of 22 (permalink) Old 03-01-2019, 10:25 AM Thread Starter
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Originally Posted by vulcandoc View Post
If its a carb bike then you need to use the choke!
If fuel injection then the computer is controlling it.

And since you didnt say that it had an idling problem, it must be starting fine??
It’s fuel injected. It’s starts right up every time. And once at running temp it’s idles perfect at 1000 rpm. It’s just when I first start it it’ll idle at about 800 rpm instead of a high idle since it’s cold.
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post #4 of 22 (permalink) Old 03-01-2019, 10:37 AM
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OK. Then its fine.
I had a car that didn't have a high idle either. and it would start and idle fine even at extreme low temps.
As I stated the computer controls the idle speed, and your saving your engine by NOT having it run at a high idle at start up!
Nothing wrong with it.


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post #5 of 22 (permalink) Old 03-01-2019, 10:42 AM
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By design, it should high idle on start-up. If it does not, then something is not right.
Check high idle sticky at the top of the 900 section.
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post #6 of 22 (permalink) Old 03-01-2019, 10:58 AM Thread Starter
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Originally Posted by vulcandoc View Post
OK. Then its fine.
I had a car that didn't have a high idle either. and it would start and idle fine even at extreme low temps.
As I stated the computer controls the idle speed, and your saving your engine by NOT having it run at a high idle at start up!
Nothing wrong with it.
the only thing that concerns me is that the idle at start up is only about 800rpm then as it warms up it progresses to about 1000rpm.
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post #7 of 22 (permalink) Old 03-01-2019, 11:03 AM
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Check if the throtle valve actuator is not sticking due to gunk accumulation or not working
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post #8 of 22 (permalink) Old 03-01-2019, 11:19 AM Thread Starter
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By design, it should high idle on start-up. If it does not, then something is not right.
Check high idle sticky at the top of the 900 section.
how would I check that?
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post #9 of 22 (permalink) Old 03-01-2019, 11:59 AM
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how would I check that?
Did you read the sticky????
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post #10 of 22 (permalink) Old 03-01-2019, 12:13 PM Thread Starter
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Check if the throtle valve actuator is not sticking due to gunk accumulation or not working
would carburetor cleaner work?
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