Fuel Valve - A Reason to Keep It Closed in the Garage - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 39 (permalink) Old 06-28-2013, 10:04 PM Thread Starter
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Fuel Valve - A Reason to Keep It Closed in the Garage

Hey Gang,

I'm taking my MSF Basic Rider Course this weekend. One instructor had a good point about being intentional to turn OFF the fuel supply valve. (I know a lot of folks here say its fine to keep open, and it is but...)

If you garage your bike, get into the habit of turning the fuel valve off in case your gas tank leaks overnight and you wake up to a puddle of gas in the morning, like he did. Worse, the fumes could be ignited by the garage door opener being activated or maybe even the battery tender somehow.

Made sense to me...just thought I'd pass it on.
Have a good weekend and ride safe!
-Anth

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Louisville, KY
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post #2 of 39 (permalink) Old 06-28-2013, 11:48 PM
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thank you for sharing. it did not cross my mind. your instructor conclusions make sense.
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post #3 of 39 (permalink) Old 06-29-2013, 12:07 AM
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That makes no sense! At any time you can have a leak anywhere on anything! the petcock will not stop a leak unless it is ahead and in direct line such as a fuel line! Even with that, most of this bike is vacum activated and increases the impossiblity of this scenario. The chances of a leaking line is only likely due to neglect to begin with. If this person really had this happen to himself and is an instructor, leave he is not motorcyling teaching material!
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post #4 of 39 (permalink) Old 06-29-2013, 12:55 PM
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I was not aware that "alot of folks here" say to not turn the valve to "OFF" for overnight parking. Guess I'm an old school biker and have always done this...
on bikes with this feature. Early VN's only had Prime-On-Reaerve I believe, and bikes with EFI don't have or need a fuel valve.

I remember having a sticker on the middle of my handlebars that said:
Turn The Gas On Dummy -
To prevent me the embarrassment of running out of gas 60 yards down the road.

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post #5 of 39 (permalink) Old 06-29-2013, 01:09 PM
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I never turn my valves to OFF unless I am winterizing the bike. I live in California so that doesn't happen

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
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Tuxedo Mod
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V&H Cruzers
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1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

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post #6 of 39 (permalink) Old 06-29-2013, 01:21 PM
..have a vulcan good day!
 
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Quote:
KnifeMaker: Early VN's only had Prime-On-Reserve I believe, and bikes with EFI don't have or need a fuel valve.
Yeah, that's what my '86 has.


'86 VN750 13,700 mi -Stock
-Purchased 2008 w/8800mi
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Splines Lubed - 11/4/2012 - MF AGM Battery
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Dampers went out @ 13+K !
After TOC MCCT's..... so amazingly quiet I discovered a rattling heat shield on my stock exhaust !
...have a vulcan good day!
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post #7 of 39 (permalink) Old 06-29-2013, 01:27 PM
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Quote:
Originally Posted by Knifemaker View Post
I was not aware that "alot of folks here" say to not turn the valve to "OFF" for overnight parking. Guess I'm an old school biker and have always done this...
on bikes with this feature. Early VN's only had Prime-On-Reaerve I believe, and bikes with EFI don't have or need a fuel valve.

I remember having a sticker on the middle of my handlebars that said:
Turn The Gas On Dummy -
To prevent me the embarrassment of running out of gas 60 yards down the road.
I'm old school also. I turn mine off everynight while the bike is parked in the garage. I have seen many bikes which were not turned to Off that after a couple of weeks had a crankcase full of fuel. MaKaw's manual also says to turn it to Off.

JM2001

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post #8 of 39 (permalink) Old 06-29-2013, 02:06 PM
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I never turn mine off. Unless I know it will be sitting for a long time, I have no cause for concern.

I only understand what I don't understand.
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post #9 of 39 (permalink) Old 06-29-2013, 04:41 PM
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I turn mine off I have had a crankcase full of gas on a bike before

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post #10 of 39 (permalink) Old 06-29-2013, 05:12 PM
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I always turn mine off when the bike will be parked for more than a few hours. And yes Knifemaker, we know that EFI doesn't require a petcock but while EFI generally will give better engine preformance I still prefer a simple carb over EFI on a bike. Carbs are fairly easy to work on and the parts cost very little.

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