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Author Topic: RE STARTING BIKE AFTER CARBS DRAINED  (Read 1470 times)
Canoodle
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Posts: 39


Steveston,BC


« on: December 18, 2020, 10:16:59 PM »

I stored my bike at a buddy's place for the Winter, thinking I would see her again around March next year.
Turns out my buddy needs the space for some business inventory, so I have been evicted effective tomorrow. I turned the petcock to off about 1 1/2 km's from his home and ran out of gas just as I was pulling into his garage. The question is what is the best way to get the bike running again ? do I just have to put the petcock to the "on" position again, or is there something else I should be doing ? been a long time since I've owned a carbed bike and this is my first Winter with the Valk IS.
Cheers and be safe
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longrider
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Posts: 557


Vernon, B.C. Canada


« Reply #1 on: December 19, 2020, 07:25:34 AM »

If the bike doesnt start within  a couple of seconds and before the battery loses its charge just remove the vacuum line off #6 (rear cylinder left or drivers side of motor) and pull a vacuum with the valve on for ten or fifteen seconds.  I do that every year as I drain the bowls dry when its up for the winter
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f-Stop
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Posts: 1810


'98 Standard named Hildr

Driftwood, Texas


« Reply #2 on: December 19, 2020, 08:34:45 AM »

If your battery has a good charge and if you have fresh fuel in the tank, your bike should start reasonably quick once you start cranking her over.

I recently re-installed the carbs after cleaning 'em and made sure the battery was fully charged and that there was fresh fuel in the tank (which had been cleaned as well) before I tried starting.  I was surprised at how quickly Hildr the Valkyrie fired up.  Actually, I was elated that Hildr started at all!  (This was my first Valkyrie carb cleaning...)

Good luck!

 cooldude
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RonW
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Posts: 1867

Newport Beach


« Reply #3 on: December 19, 2020, 08:57:18 AM »

f-Stop, that's mostly true with a good battery, but the vacuum line method is good practice if you somehow run out of gas and repeatedly cranking the engine doesn't start the engine and your battery starts getting weak. I'm thinking of moving the vacuum line from No.6 to the No. 5 intake runner's nipple being it's easier to snake back. I have desmog.
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2000 Valkyrie Tourer
Canoodle
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Posts: 39


Steveston,BC


« Reply #4 on: December 19, 2020, 09:03:18 AM »

Thanks guys-battery is well charged-been on tender since October when I took her out. So just putting the petcock back on should do the trick.
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f-Stop
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Posts: 1810


'98 Standard named Hildr

Driftwood, Texas


« Reply #5 on: December 19, 2020, 11:58:56 AM »

I would think that letting fuel drain into dry carburetors -- like Canoodle's carbs are -- could be a perfect recipe for hydrolock.  If one of the float valves is a bit sticky due to being dry, you might just be pouring fuel directly into that cylinder.  I recommend caution with that procedure.

Also, we all know that Valkyries can easily turn over, but not start with a week battery even when everything else is working fine.  Making sure that the battery is in good shape is essential to Valkyrie/owner happiness (but that's a whole other thread...).

 smitten
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The emperor has no clothes
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« Reply #6 on: December 19, 2020, 12:11:51 PM »

I would think that letting fuel drain into dry carburetors -- like Canoodle's carbs are -- could be a perfect recipe for hydrolock.  If one of the float valves is a bit sticky due to being dry, you might just be pouring fuel directly into that cylinder.  I recommend caution with that procedure.

Also, we all know that Valkyries can easily turn over, but not start with a week battery even when everything else is working fine.  Making sure that the battery is in good shape is essential to Valkyrie/owner happiness (but that's a whole other thread...).

 smitten
I agree. The floats are definitely more susceptible when dry. I would also bring some jumper cables in case the battery runs down.
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Canoodle
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Posts: 39


Steveston,BC


« Reply #7 on: December 20, 2020, 04:12:22 PM »

Bike started up after about 2-3 tries-ran her down to my sisters place about 8 km away. Turned petcock off about 1.5 clicks from destination and again ran out of gas just as I was pulling into her garage.
So no hydrolock yet....here's hoping !
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fudgie
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Posts: 10613


Better to be judged by 12, then carried by 6.

Huntington Indiana


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« Reply #8 on: December 22, 2020, 04:37:31 AM »

I would think that letting fuel drain into dry carburetors -- like Canoodle's carbs are -- could be a perfect recipe for hydrolock.  If one of the float valves is a bit sticky due to being dry, you might just be pouring fuel directly into that cylinder.  I recommend caution with that procedure.

Also, we all know that Valkyries can easily turn over, but not start with a week battery even when everything else is working fine.  Making sure that the battery is in good shape is essential to Valkyrie/owner happiness (but that's a whole other thread...).

 smitten

Yea I never drain. A lot of nasty stuff in there when they dry.
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agrady1995
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Posts: 124


« Reply #9 on: January 04, 2021, 07:57:15 AM »

As many times as I've had to take my carbs on and off, I put an extra-length vacuum line from the carb to the petcock, and to prime it I will just pull off the carb side and suck the tube for about a minute, reconnect and  it'll start right up!

Best of luck!

Kilroy
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