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post #1 of 37 (permalink) Old 01-20-2009, 10:11 PM Thread Starter
 
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help! please!

ok so i bought this 93 vulcan about 4 months ago, previous owner had to start the bike using ether, and i immediately took it to the shop to have it checked out, the shop proceeded to rape me and fed me a whole line of crud. long story short, im still having to use ether to start the bike, and the battery seems to lose its charge really fast, this is my first bike and i absolutely love it so im not even considering getting rid of it, i changed out the carb holders (intakes?) and put a new acid based battery in it, am also considering a maintenance free battery in the hopes that this will fix the elecrical problem, but every time i shoot that starting fluid in the bike i cringe, any ideas out there? its a great riding bike and runs like a scalded dog once i get it started, but it wont idle at all.
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post #2 of 37 (permalink) Old 01-20-2009, 10:18 PM
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Where are you located, there may be people close that can help.
I would check the Stator and R/R to make sure the batt is getting charged.
Try Sea Foam to help clean the carbs and fuel lines, rember there is a vacume operated petcock to allow fuel to flow.
You may have teh 3 lines mixed up, has happend before.

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post #3 of 37 (permalink) Old 01-21-2009, 03:59 AM
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Definately try the seafoam first, are you using the choke when trying to start. Sadly it sounds like your Stator or R/R is toast. Do you have a meter to check voltage while running?


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post #4 of 37 (permalink) Old 01-21-2009, 06:58 AM
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Did the new battery help at all? (definately get a maintenance free, it does make a differance)

Does the battery take a charge once you are riding the bike?

IMO, if it runs great once it's started, I wouldn't think it's a fried stator.

What all did the shop do to it?


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post #5 of 37 (permalink) Old 01-21-2009, 09:13 AM
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Welcome to the forum, your new home away from home. Like stated above, first priority is getting a MF Battery then use a meter to insure that youre charging system is operating properly and then I would dump a FULL can of SeaFoam into your fully filled tank and run it till she's bone dry (you dont have to do it all at once) Once you got her started whats your idle set at and does it require ether even after shes been running a while and all warmed up or does she fire right back up after you shut her down? Let us know what you come up with, theres over 5k members here that are willing and wanting to help make this bike a dream for you so dont hold back. Like they say "The only dumb question is the question not asked"

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post #6 of 37 (permalink) Old 01-21-2009, 01:54 PM
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Hey Clambake, before you get too carried away here I'd look at some basic stuff. Like said before me, Seafoam the full tank of gas, maybe a half a can, and let it run through the bike for a good ride then let it sit overnight. Might take a few days to make a difference but it most certainly will make a difference if there is crud in the tank or carbs. I would also see that your idle circuit is not shut off by turning the idle thumb screw on the left side of the bike to see if you can get the bike to idle. I can't remember off hand which direction increases idle, but hopefully someone will pipe in here and tell us. If not, I'll be on the bike in a little bit and will come back and tell ya.
Definitely get yourself a MF battery. I just ordered a BigCrank as my MF is over 3 yrs old and is getting weak. Plus, I would take some sand paper and clean all your points of contact that you can find in the electrical system, battery terminals, grounds etc. and then use dielectric grease on all of them and make sure they are tight. A little corrosion on a connection can go a long way to make your charging system act like it's sick. Once you have cleaned up all the connections you can find, then with a freshly charged battery (hopefully you have a battery tender) check the voltage on the battery and make sure it's at least 12.5 volts, then check the voltage when the engine is running and you should see the volts rise when you rev the bike. If you don't see this, you will have to dig deeper into the charging system, the RR and Stator. But start with the simple stuff, clean connections etc. and see what you find. Good luck!

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post #7 of 37 (permalink) Old 01-21-2009, 03:10 PM
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Quote:
Originally Posted by fergy View Post
I would also see that your idle circuit is not shut off by turning the idle thumb screw on the left side of the bike to see if you can get the bike to idle. I can't remember off hand which direction increases idle, but hopefully someone will pipe in here and tell us.
Clockwise increases idle, counterclockwise decreases it.


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post #8 of 37 (permalink) Old 01-21-2009, 03:40 PM
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If it isn't a dirty /gummy fuel situation then
it could be he's trying to run it without the breather ears. I imagine this would
cause a lean situation, assuming the mixture screws are in the stock position and or it hasn't been re-jeted

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Last edited by kay; 01-21-2009 at 03:42 PM.
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post #9 of 37 (permalink) Old 01-21-2009, 04:49 PM
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Quote:
Originally Posted by kay View Post
If it isn't a dirty /gummy fuel situation then
it could be he's trying to run it without the breather ears. I imagine this would
cause a lean situation, assuming the mixture screws are in the stock position and or it hasn't been re-jeted
Except.... he says it runs really good once it starts.
I ran my bike with just the covers off the ears, and wouldn't get any power over 4K rpm's, but it started just fine..


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post #10 of 37 (permalink) Old 01-21-2009, 05:02 PM
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Quote:
Originally Posted by hyperbuzzin View Post
Except.... he says it runs really good once it starts.
I ran my bike with just the covers off the ears, and wouldn't get any power over 4K rpm's, but it started just fine..
good point, I missed the part about it running ok after it starting.
....I've never tried to run mine without the ears.

my guess then, is the idle jets are clogged. Or the curb idle needs to be adjusted.

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Last edited by kay; 01-21-2009 at 05:11 PM.
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