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I have a 2006 GTS250 ie and have just now been having a problem starting the engine.
It seems that I have to toggle back and forth the engine kill switch 3-4 times before I can activate the engine start button, them the engine will start.

Could the engine kill toggle switch be sticking?
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Kill Switch
Victor36,

I know many riders use the kill switch to turn off their scoot. I never do.
I simply turn the key and shut off the engine. Although it may not help,
quit using the switch and just leave it on all the time. See if this works for you. To answer your question, it does sound like your kill switch is defective.
Probably from using it all the time.

Bob Copeland
Minnesota
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It's certainly possible the switch contacts are corroded or dirty. Seems to be fairly common. Whether or not you use the kill switch, you should get it fixed before rocking it no longer works and you're stranded somewhere.

Try spraying electrical contact cleaner into it, or take it apart and clean it, or replace it. Good luck! 8)
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Almost surely the contacts are corroded. You could clean the contacts or change out the switch. Either way, coating the contacts with dielectric grease in the future will substantially reduce the likelihood of this happening.
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Kill switches do get corroded. They do go bad.
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Paul G. wrote:
Kill switches do get corroded. They do go bad.
Only it seems in the US, where some people are taught to use them to switch the bike off every time. Opposite to the advice from both basic and advanced rider courses in the UK.
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Exactly, we get taught in the MSF course to use it to turn off our M/C or scooter every time so that we will remember that it is there and how to use it in an emergency, which almost never happens. But what does happen is that you have an extra step every time you shut off your scooter by using it.
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jimc wrote:
Paul G. wrote:
Kill switches do get corroded. They do go bad.
Only it seems in the US, where some people are taught to use them to switch the bike off every time. Opposite to the advice from both basic and advanced rider courses in the UK.
As a geezer who's been riding motorcycles and scooters for over 50 years, I am still waiting for a situation where I need to flip the kill switch to the off position.

On the Vespa I do have to flip it to the on position occasionally as the seat sometimes hits the switch when it opens.

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I, also see no need to use the switch.

It can be taken apart and cleaned but it is finiky work and there are several small pieces that could get lost.
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Paul G. wrote:
jimc wrote:
Paul G. wrote:
Kill switches do get corroded. They do go bad.
Only it seems in the US, where some people are taught to use them to switch the bike off every time. Opposite to the advice from both basic and advanced rider courses in the UK.
As a geezer who's been riding motorcycles and scooters for over 50 years, I am still waiting for a situation where I need to flip the kill switch to the off position.

On the Vespa I do have to flip it to the on position occasionally as the seat sometimes hits the switch when it opens.

You obviously never road in the dirt much Used it all the time when riding dirt bikes. Trust me, it is a lost faster and easier than finding the key.
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WEB-Tech wrote:
Paul G. wrote:
jimc wrote:
Paul G. wrote:
Kill switches do get corroded. They do go bad.
Only it seems in the US, where some people are taught to use them to switch the bike off every time. Opposite to the advice from both basic and advanced rider courses in the UK.
As a geezer who's been riding motorcycles and scooters for over 50 years, I am still waiting for a situation where I need to flip the kill switch to the off position.

On the Vespa I do have to flip it to the on position occasionally as the seat sometimes hits the switch when it opens.

You obviously never road in the dirt much Used it all the time when riding dirt bikes. Trust me, it is a lost faster and easier than finding the key.
That'd be a good example of when to use it - and yes, I've used mine a couple of times after going down. But never to routinely turn the bike off.
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UTC quote
jimc wrote:
WEB-Tech wrote:
Paul G. wrote:
jimc wrote:
Paul G. wrote:
Kill switches do get corroded. They do go bad.
Only it seems in the US, where some people are taught to use them to switch the bike off every time. Opposite to the advice from both basic and advanced rider courses in the UK.
As a geezer who's been riding motorcycles and scooters for over 50 years, I am still waiting for a situation where I need to flip the kill switch to the off position.

On the Vespa I do have to flip it to the on position occasionally as the seat sometimes hits the switch when it opens.

You obviously never road in the dirt much Used it all the time when riding dirt bikes. Trust me, it is a lost faster and easier than finding the key.
That'd be a good example of when to use it - and yes, I've used mine a couple of times after going down. But never to routinely turn the bike off.
Yes, I would rather be stuck under a non running bike than a running one while waiting for a friend to come around the corner and get the bike or ATV off me
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It should be a simple diy fix
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UTC quote
jimc wrote:
Paul G. wrote:
Kill switches do get corroded. They do go bad.
Only it seems in the US, where some people are taught to use them to switch the bike off every time. Opposite to the advice from both basic and advanced rider courses in the UK.
Yes, the MSF course in the US encourages you to always use the kill switch to turn off your engine. Why? The belief is that if you are conditioned to use the switch, you will instinctively and quickly find it in case of an emergency - much quicker than finding and turning the key.

Makes sense to me anyhow.

YMMV.
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UTC quote
I believe that the Vespa Operators Manual that came with the LX150 specifically says not to use the kill switch for normal shut downs.
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One of the things you can get asked on the UK motorcycle test is to demonstrate the kill switch on the bike. I don't have one on my bike anyway.
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