WD-40 on a sticky choke plunger - ok, or no? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 6 (permalink) Old 09-15-2011, 10:37 AM Thread Starter
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WD-40 on a sticky choke plunger - ok, or no?

One of my choke plungers, the one on the left side, is sticking a little bit. When I push the choke lever back into the "off" position, the plunger stays up instead of going back down like it is supposed to.My thought was to simply spray (carefully) a little WD-40 onto it to loosen it up. I can't really think of any negative ramifications, as long as I didn't soak it so bad that a bunch got into the carb. What do you all think - would it be ok to do that?

I appreciate all insight/info/wisdom, as always

Ride safe all.

AZ Kev

PS - GORGEOUS morning here in Phoenix today - FINALLY! Great day to be on a bike

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post #2 of 6 (permalink) Old 09-15-2011, 11:12 AM
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Quote:
Originally Posted by AZ Kev View Post
One of my choke plungers, the one on the left side, is sticking a little bit. When I push the choke lever back into the "off" position, the plunger stays up instead of going back down like it is supposed to.My thought was to simply spray (carefully) a little WD-40 onto it to loosen it up. I can't really think of any negative ramifications, as long as I didn't soak it so bad that a bunch got into the carb. What do you all think - would it be ok to do that?

I appreciate all insight/info/wisdom, as always

Ride safe all.

AZ Kev

PS - GORGEOUS morning here in Phoenix today - FINALLY! Great day to be on a bike
I do that about once a month with no problems. If you're still worried about the WD-40 you could spray it with carb cleaner. It will clean the plunger and lubricate it a little.

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post #3 of 6 (permalink) Old 09-15-2011, 11:13 AM
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Works for me.WD40 is not supposed to harm rubber.... My only thought would be to spray the crap out of it with WD 40 and then after a few days spray it with Tri-flow or spray on white lithium grease with teflon.

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post #4 of 6 (permalink) Old 09-15-2011, 01:17 PM Thread Starter
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Right on - thanks for the replies guys. I didn't think it would be an issue, but thought it best to check first.


AZ Kev

Arizona Kev

1989 VN750
7800 orig mi when purchased Jan 2011
Turned 11,000 mi Nov 2011
Saddlebags
Taillight relocation kit
Chad's highway peg mounts
Emgo Pegs
Aftermarket mirrors
Dunlop D404's

Otherwise, all stock


"But it's a dry heat - like the inside of an oven"
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post #5 of 6 (permalink) Old 09-15-2011, 04:13 PM
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Good to hear this. Mine was sticking open on the right side months ago and a tiny bit of WD40 got it working again, with no problems since.
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post #6 of 6 (permalink) Old 09-16-2011, 11:37 AM
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I'm with Knifemaker on this one.
But, I wouldn't wait a few of days to add the Tri-Flow. The Tri-Flow by itself doesn't penetrate as well as the WD does. Because of this I find myself using the WD as the transport/carrier for the Tri-Flow. First spray the WD. It will do the penetrating; then spray the Tri-Flow. It will follow the WD into all those little spaces that it normally wouldn't go to by itself.

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