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post #1 of 4 (permalink) Old 08-02-2012, 11:17 PM Thread Starter
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Newbie from GA

Hello my name is Tyler

My dad gave me his 1986 Vulcan 750. It's been sitting for about 5 years and hasn't ran in about 6 years. I started taking it apart two weekends ago and got it running this past friday. I'm having trouble getting it to stay running. when it first cranked up it ran for a good 2 minutes then I cut it off. after starting it a couple more times and trying to get it to run without the choke on and failing it would crank rev to about 3k then cut off. And also on the carb. there's two hoses that are between both carbs. with a T fitting. there wasn't a hose on that and I was wondering if there is supposed to be one.

thanks and I can't wait to get this bike road ready and be able to ride it!
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post #2 of 4 (permalink) Old 08-02-2012, 11:24 PM
Crap, I WAS in 5th gear.
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Welcome to the group! You can ignore the silliness on the other thread. At least one of us is off our meds. It's not me, I took mine.
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post #3 of 4 (permalink) Old 08-02-2012, 11:27 PM
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Yes, that T has a hose that is suppose to go to the right ear, there is a round slot that it fits in, lets the carb diaphrams move in and out. Sitting still prob not a prob but moving that hose out in the open screws up the carbs. Also sounds like you need a good carb cleaning! What part of GA?

04-3,200 miles bought July 2011 with 928 miles. Loaded with acessories to many to list here, see my albums for more details! I also make a custom tank bib specific for the 750 if anyone is interested, ck my albums for some pics.
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post #4 of 4 (permalink) Old 08-03-2012, 03:45 AM
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Welcome man. congrats on the Freebe.

x2 on the carbs needing some attention. Likely a bit clogged up after sitting for so long.

That missing hose on the T-fitting shouldn't be a prob wit the starting/ running while your sitting still. but you'll want to get a hose running to the back of your airbox as mentioned. Having that open causing some power/hesitation issues while going down the road at speed.

I assume our putting fresh gas into the tank, and not trying to use any that would have been sitting in the tank for that long. Dump in a can of Seafoam to a full tank to let it run through the carbs.

Many have also poured the seafoam straight into the carbs via the fuel lines and let it sit over night.

Are you still attempting to start with the choke on? Its nearly impossible to star the bike without choke on this bike when all stock (at least from my experience) Make sure the choke plungers are actually moving in and out on the carbs when you move the lever.

Make sure that all the rubber boots on the carb air inlets and outlets are properly fitted and clamped down. Check that they are in good condition too. With the age of the bike, cracking and dry rot is a possibility. An air leak here can definitely cause some problems.

Might also want to check the air filters. Make sure they are clean and properly oiled.

I'm sure others will chime in with their thoughts/ideas as well. Gotta good group here with a ton of knowledge.

......I'd rather wake up in the middle of nowhere then in any city on earth.

*2014 VN900 Custom (16,200 miles and counting)

Last edited by Ndr; 08-03-2012 at 04:20 AM.
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