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trout dude
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« on: January 23, 2014, 08:35:01 AM » |
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If A valkyrie sat fore two years and developed a Hydrolock and the pistons are gummed up can this be fixed with out pulling the heads and if so what is the best way to go about it thanks
Dennis
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Patrick
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Posts: 15433
VRCC 4474
Largo Florida
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« Reply #1 on: January 23, 2014, 09:02:18 AM » |
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Why would anything be gummed up ? Just pull the sparklers add a little oil [ ATF] and spin the engine over a few times. Start it up.
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98pacecar
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« Reply #2 on: January 23, 2014, 09:11:29 AM » |
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Marvel mystery oil,,  is also good, fer motors dat have set up,,,,,,,,,,,,, fer a while..  |
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Ricky-D
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« Reply #3 on: January 23, 2014, 09:39:03 AM » |
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The biggest problem would be the gummed up carburetors and gas tank!
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2000_Valkyrie_Interstate
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paul246
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« Reply #4 on: January 23, 2014, 10:25:33 AM » |
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Like Patrick said, pull the spark plugs and spin the engine over. I would add a teaspoon of oil to each cylinder prior to turning it over.
As for the carbs and tank, see if you can get hold of a can of Wynn's Xtend88-Plus. You can't get it off the snake oil shelf, but automotive parts counters at a dealership will usually be able to sell you a can. Toss the whole can in along with a top-up of fresh gas and take her for a good ride, after a few hours everything should be good.
Check the tank for internal corrosion and consider an inline fuel filter either way.
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trout dude
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« Reply #5 on: January 31, 2014, 11:06:23 AM » |
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Thanks for all the input still have a problem First I pulled the starter to make sure the gears were good Then I put 5 gal of Marvel mystery oil let that soak for 4 days I've removed the heads and it looked like tar inside them Then i removed that and oiled the cylinders and still can not move them with the crank bolt The bike has sat sense 2009 any other help would be great Right now I have oil soaking in the cylinders Thanks Dennis
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Red Diamond
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« Reply #6 on: January 31, 2014, 12:42:21 PM » |
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If you have added Marvel oil to it, with the heads off, the trans in neutral, you should be able to spin it. These engines don't just hydrolock from sitting up, you have followed every idea given to you, you also stated that it looks like tar or something in the cylinders. Unless something was maliciously injected into this engine, it should turn over, barring a thrown rod that may be hung up. I had one with a thrown rod, got it freed and it started, start looking for another engine. Hope that's not the case.
One other thing, with all that tar you are referring to, it may have been over heated really bad and seized.
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« Last Edit: January 31, 2014, 12:45:45 PM by Red Diamond »
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 If you are riding and it is a must that you keep your eyes on the road, you are riding too fast. |
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trout dude
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« Reply #7 on: January 31, 2014, 12:53:03 PM » |
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Update Just got it freed up every thing is moving smooth A big thanks to everyone that helped me with this Thanks Dennis
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trout dude
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« Reply #8 on: February 01, 2014, 08:58:06 AM » |
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Another update took a compression test on the Right side had 120 to 150 PSI on the left side had 80 to 90 PSI I think the rings are stuck or could it be crap keeping the vales from closing so should I stop here or is there anything else to try to unstick rings or try ??? Or should I wait for and find another motor. Any help is greatly appreciated
Thanks Dennis
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Patrick
Member
Posts: 15433
VRCC 4474
Largo Florida
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« Reply #9 on: February 01, 2014, 09:21:00 AM » |
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If there was something under a valve, that cylinder would read zero.
I can't why the rings would be so sticky/stuck. Add some oil to each cylinder and check compression again. If compression comes up then the stuck ring theory is proven. I'd run it for awhile then check again.
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Ricky-D
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« Reply #10 on: February 01, 2014, 09:27:01 AM » |
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It would stand to reason since it's the left side that is leaning down while the bike is on the side stand.
And although MMO is great stuff, I don't think it will do anything while the engine is in a static condition.
I suggest to run the bike for a good while and see if it clears up the difference.
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2000_Valkyrie_Interstate
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trout dude
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« Reply #11 on: February 01, 2014, 04:20:08 PM » |
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Went and pulled another compression test on the old gal and it's getting better I think the Marvel mystery oil is getting to the rings and loosening them up right side almost all 150 and left side almost 120 a very good improvement form last time. Thanks again for the input and the theory it all helps out in the long run.
DENNIS
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