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Valkyrie Riders Cruiser Club > General > 1500 Tech Board > spark plug change
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Author Topic: spark plug change  (Read 2295 times)
firemedic309
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Posts: 207


Sarasota. FL....Nancy Ky
« on: December 15, 2016, 07:38:12 AM »
Ok so I am new to the F6.
I bought a 97 tourer  with 47k on it and had the carbs rebuilt. I was running good, very fun bike to ride.
Being who I am I thought I would start fresh and change the plugs and do a oil change.
I bought the proper plugs, pulled them one at a time blowing out the cavity before pulling and replacing each plug.
I hand tighten and then turned 1/2 turn to seat them.
so here is where it went wrong. The bike is now missing and running like crap, I checked the caps to make sure the where seated all the way still crap.
I then reinstalled the old pugs...no better..
what's up? what did I do wrong?
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Remember, if they can't find you handsome at least  they can find you handy!
John Schmidt
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Posts: 15218


a/k/a Stuffy. '99 I/S Valk Roadsmith Trike

De Pere, WI (Green Bay)
« Reply #1 on: December 15, 2016, 08:27:52 AM »
May have a cracked or damaged plug cap that didn't show until you disturbed them. I'd pull each one separately and check for spark. They have a ceramic type resistor inside that cap.
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WintrSol
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Posts: 1344


Florissant, MO
« Reply #2 on: December 15, 2016, 10:40:31 AM »
Quote from: John Schmidt on December 15, 2016, 08:27:52 AM
May have a cracked or damaged plug cap that didn't show until you disturbed them. I'd pull each one separately and check for spark. They have a ceramic type resistor inside that cap.
And, since they fire in pairs, if you pull one and the misfire doesn't change much, it could be either of two, but at least you've found the coil responsible.
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98 Honda Valkyrie GL1500CT Tourer
Photo of my FIL Jack, in honor of his WWII service
firemedic309
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Posts: 207


Sarasota. FL....Nancy Ky
« Reply #3 on: December 15, 2016, 02:00:24 PM »
stuffy, ride over here with that spare set of wires and help me replace them...LOL
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Remember, if they can't find you handsome at least  they can find you handy!
firemedic309
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Posts: 207


Sarasota. FL....Nancy Ky
« Reply #4 on: December 15, 2016, 05:41:06 PM »
 :cooldude:I was out off gas with 105 on trip odometer.......running fine now 2funny
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Remember, if they can't find you handsome at least  they can find you handy!
Bighead
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Posts: 8654


Madison Alabama
« Reply #5 on: December 15, 2016, 06:58:56 PM »
Quote from: firemedic309 on December 15, 2016, 05:41:06 PM
:cooldude:I was out off gas with 105 on trip odometer.......running fine now 2funny
Yeah It pays to check the simple things first cooldude 2funny
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1997 Bumble Bee
1999 Interstate (sold)
2016 Wing
john
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Posts: 3018


tyler texas
« Reply #6 on: December 16, 2016, 11:24:00 AM »
 Sad     ???     Undecided     coolsmiley      Shocked    2funny      you touched it .. don't touch it ... welcome to the asylum
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Chrisj CMA
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Posts: 14774


Crestview (Panhandle) Florida
« Reply #7 on: December 17, 2016, 04:26:00 AM »
Quote from: firemedic309 on December 15, 2016, 05:41:06 PM
:cooldude:I was out off gas with 105 on trip odometer.......running fine now 2funny

Ya, would be cool but unfortunately new spark plugs won't make a Valkyrie run without gas.  Too funny
« Last Edit: December 17, 2016, 04:27:58 AM by Chrisj CMA » Logged
Steve K (IA)
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Posts: 1662

Cedar Rapids, Iowa
« Reply #8 on: December 19, 2016, 02:24:18 PM »
I replaced the plugs in my I/S at 18,000 miles and they looked new.
When I picked up my Std, it had 39,000 miles.  Changed plugs and they looked new also.
Both bikes have about 60,000 miles on them.  Don't think I will worry about plugs for a few years yet.

The out of gas story is funny.  Glad it was that simple and you found it right away.  Wink

So...tell us.  How did the "old" plugs look?
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States I Have Ridden In
Hook#3287
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Posts: 6443


Brimfield, Ma
« Reply #9 on: December 19, 2016, 02:57:09 PM »
Quote from: firemedic309 on December 15, 2016, 05:41:06 PM
:cooldude:I was out off gas with 105 on trip odometer.......running fine now 2funny
Was that on the highway going 95 MPH?  That's the only time I got that kind of mileage. Smiley
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..
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Posts: 27796


Maggie Valley, NC
« Reply #10 on: December 19, 2016, 06:42:32 PM »
Quote from: firemedic309 on December 15, 2016, 05:41:06 PM
:cooldude:I was out off gas with 105 on trip odometer.......running fine now 2funny

If not riding at the speed of light maybe you need to now check the petcock for a faulty diaphragm?
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