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Fiat Lux
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« on: June 17, 2014, 09:30:32 PM » |
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I am adjusting my shiny new Brakeaway throttle lock because it's still a bit too loose to hold the revs when I set it. So I started the bike, turned the petcock to the midway setting which I believe should shutoff the fuel supply. The bike ran for fully three minutes before stopping and then I was able to start it up again!
So my question: How fast would you expect it would take for a 2001 Valk Standard to stall from fuel starvation when you turn off the supply at the petcock?
Thank you!
Fiat Lux
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R J
Member
Posts: 13380
DS-0009 ...... # 173
Des Moines, IA
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« Reply #1 on: June 17, 2014, 09:52:17 PM » |
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MGM varies from 3 to 5 miles at 30 MPH.
I usually turn the fuel off about 3 miles from home and let it finish running out just before I put it in the garage for the winter.
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44 Harley ServiCar   |
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Jess from VA
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« Reply #2 on: June 18, 2014, 04:35:20 AM » |
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I think most valks will run 3-5 minutes at idle with the petcock off. Lots of fuel in the system, and not much used at idle. Your experience seems about normal.
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Earl43P
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« Reply #3 on: June 18, 2014, 04:47:21 AM » |
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My 99 IS will go 1.5 - 1.8 MILES at 45 mph so.
Ask me how many times I've done that after a fuel stop.
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08 Goldwing
21 KTM390A
99 Valkyrie IS Sold 5/5/23
VRCC #35672
VRCCDS # 0264
When all else fails, RTFM.
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Rio Wil
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« Reply #4 on: June 18, 2014, 07:34:53 AM » |
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5th gear- 60 mph, flat road= 67 seconds......
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Ricky-D
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« Reply #5 on: June 18, 2014, 08:46:03 AM » |
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If you are referring to the stock fuel petcock, the error is with the petcock itself. It is a very poorly designed item.
For one, the "off" position is midway between the other two setting which are "on" and "res" making it be a determination
every time you want to turn it "off". The detent is very light resulting in many time you mat think it is turned off but
in reality it is not turned off. It takes but a few drop per minute to be the first stage in a hydrolock situation.
The other main weakness is the vacuum feature which continues to cause problems even when replacing and servicing is done
on a regular basis.
The best cure for solving the problems is usually an aftermarket stopcock, of which there are many good reliable options.
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2000_Valkyrie_Interstate
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Gryphon Rider
Member
Posts: 5227
2000 Tourer
Calgary, Alberta
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« Reply #6 on: June 18, 2014, 09:54:22 AM » |
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At idle speed without choke, I think I ran mine 10 or 15 minutes before it fully quit. That was many years ago, and I since learned to turn mine off a few kilometres before home to burn off the last of the fuel in the carbs and fuel line. My "off" detent must be stronger than Ricky-D's, because mine sounds an obvious "click", and I never have trouble finding it.
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Jess from VA
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« Reply #7 on: June 18, 2014, 10:23:11 AM » |
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Well, both mine (OE) worked fine for years, but both needed repaired (torn diaphragms, and vacuum tube replaced, and all desmogged), and now they work fine again. With maintenance they work. Pingle is almost certainly better (with no maintenance).
Sorry I missed you in Asheville Gryph.
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Willow
Administrator
Member
Posts: 16635
Excessive comfort breeds weakness. PttP
Olathe, KS
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« Reply #8 on: June 18, 2014, 10:54:44 AM » |
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My "off" detent must be stronger than Ricky-D's, because mine sounds an obvious "click", and I never have trouble finding it. Virtually everyone's is.  Rolling, the carbs will empty normally in something just over a mile and a half. Idling they will take what seems a very long time. |
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doubletee
Member
Posts: 1165
VRCC # 22269
Fort Wayne, IN
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« Reply #9 on: June 18, 2014, 11:28:20 AM » |
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My "off" detent must be stronger than Ricky-D's, because mine sounds an obvious "click", and I never have trouble finding it.
Same with mine. |
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CoachDoc
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« Reply #10 on: June 18, 2014, 03:44:32 PM » |
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Interesting that this thread appeared when it did. Two days ago I realized when I got home that my OEM petcock had been in the OFF position all of the 20 plus miles I had just ridden. Ran absolutely normally. Needless to say Ill be just tapping the starter button until I get that petcock replaced.
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CoachDoc
'97 Valkyrie Standard
'05 Goldwing
'74 CB550K
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Bone
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« Reply #11 on: June 18, 2014, 03:58:15 PM » |
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Couple of weeks ago I thought I was getting really good milage. Started doing the math and stopped at 154 miles for gas .
It was over 4 gallons. I usually turn on the gas and feel the click I didn't remember that happening. Next time I did feel the the click and hit reserve at 138 miles. Operator error on my part.
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Fiat Lux
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« Reply #12 on: June 18, 2014, 07:20:14 PM » |
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Thanks for helpful responses and new bit of information.
My other bike is a Suzuki Boulevard C50 with fuel injection and no petcock. So this is the first time I've ever heard about turning the petcock off and running the carbs dry before storing the bike for a long Alberta winter. Why should we do this, given that the task few tankfuls of gas are heavily treated with Seafoam?
Fiat Lux
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doubletee
Member
Posts: 1165
VRCC # 22269
Fort Wayne, IN
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« Reply #13 on: June 19, 2014, 05:00:13 AM » |
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Thanks for helpful responses and new bit of information.
My other bike is a Suzuki Boulevard C50 with fuel injection and no petcock. So this is the first time I've ever heard about turning the petcock off and running the carbs dry before storing the bike for a long Alberta winter. Why should we do this, given that the task few tankfuls of gas are heavily treated with Seafoam?
Fiat Lux
I never drain my bowls before shutting down for the winter and have never had a problem. In fact, I've also heard just the opposite, that one shouldn't drain them, since draining them can allow seals to dry out and cause other problems.  |
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MP
Member
Posts: 5532
1997 Std Valkyrie and 2001 red/blk I/S w/sidecar
North Dakota
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« Reply #14 on: June 19, 2014, 06:28:17 AM » |
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Thanks for helpful responses and new bit of information.
My other bike is a Suzuki Boulevard C50 with fuel injection and no petcock. So this is the first time I've ever heard about turning the petcock off and running the carbs dry before storing the bike for a long Alberta winter. Why should we do this, given that the task few tankfuls of gas are heavily treated with Seafoam?
Fiat Lux
I never drain my bowls before shutting down for the winter and have never had a problem. In fact, I've also heard just the opposite, that one shouldn't drain them, since draining them can allow seals to dry out and cause other problems. That is the way I do it. Seafoam, run it some, then just shut it down. MP |
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 "Ridin' with Cycho" |
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Ricky-D
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« Reply #15 on: June 19, 2014, 06:48:33 AM » |
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A lot of the concern is because of the ethanol content in the gasoline.
Ethanol can cause many disturbing events.
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2000_Valkyrie_Interstate
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Gryphon Rider
Member
Posts: 5227
2000 Tourer
Calgary, Alberta
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« Reply #16 on: June 19, 2014, 07:04:33 AM » |
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Thanks for helpful responses and new bit of information.
My other bike is a Suzuki Boulevard C50 with fuel injection and no petcock. So this is the first time I've ever heard about turning the petcock off and running the carbs dry before storing the bike for a long Alberta winter. Why should we do this, given that the task few tankfuls of gas are heavily treated with Seafoam?
Fiat Lux
I've done it both ways, turning off the fuel and allowing it to sputter and die, and turning off the ignition followed by turning off the fuel. In both cases, I used fuel stabilizer. My bike has always started in the spring after being stored from early November until late March or early to mid April. |
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