Questions After First Start Up In 2 Years - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 10 (permalink) Old 03-28-2017, 09:54 PM Thread Starter
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Questions After First Start Up In 2 Years

Good Evening Everyone.

Yesterday I started my 85 Vulcan for the first time, and from what the previous owner told me he had it stored for 2 years. I've found three issues that I need some opinions on.

First issue is when I turn the handle bars to the right the bike shuts off, but turning to the left has no effect. From what I researched it could be the cut off switch wires are being pulled too much. Any other thoughts?

Second issue, when I go to put it into first gear the bike stalls right away. I think it just needs a clutch cable adjustment. The clutch lever is also very tough to squeeze. Any other thoughts?

Third issue, when the bike was idling, every few minutes it would go from 1100rpm to about 2000rpm. I would just adjust the idle back down to normal. It did the same thing about two more times after, but stopped eventually. Think it was just warming up?

On a side note, since I got the bike I've changed/flushed all the fluids on the bike (oil, coolant, brakes, and final drive), relocated the R/R, AGM battery, lubed up the splines, and new gasket kit for petcock.
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post #2 of 10 (permalink) Old 03-29-2017, 08:10 AM
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check your kickstand switch as to your shutting off when you put it in gear

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post #3 of 10 (permalink) Old 03-29-2017, 09:08 AM
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For third issue, if the RPM is "wandering" at idle you might have a vacuum leak where the carbs attach to the cylinders. Get the bike running then spray some starter fluid around the rubber boots holding the carbs to the cylinders. If there is no vacuum leak the RPMs should not change while doing this. If when you spray the starter fluid the RPMs jump, you've got a vacuum leak.
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post #4 of 10 (permalink) Old 03-29-2017, 09:05 PM Thread Starter
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Update; Second and third issues seem to be solved after some tweaking.

First issue with turning the handlebars to the right and bike shutting off is still happening.
I did some trial and error. When the bike is over 2500rpm and I turn the handlebars to the right it didn't turn off. When i very very slowly turned the handlebars to the right it didn't turn off. Turning it to the right with moderate speed it turns off. Turning it to the right, right before it shuts off I give it some rpm and it does a quick chug then stays alive. When it does shut down it feels like the bike is chugging briefly before it shuts down.

Any opinions or thoughts?
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post #5 of 10 (permalink) Old 03-29-2017, 09:28 PM
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take off the headlight and check all your plugs inside the buckets.also check the plugs on the left side under the gas tank

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ONE RATS ASS GIVEN PER POST
Support your local FREEBIRDS MC
1986/5 Vn700/750 Frankenfook cross eyed bitch "Mellisa Fayhe"
I am a BIKER and i'm proud.FREEBIRDS MC CENTRAL NY

lowered with progessive 412 10" shocks
rejetted for K/N Pods part#rc 2340
sportster seat

'I didn't lose my mind.i gave it away

BRING BACK WOLFIE."Peace and Carrots"RIP
"And I'm free...as a bird"John Lennon Free as a Bird
"I only carry when I have my pants on"Joe Robinson RIP aka Old Dog

Last edited by OleDirtyDoc; 03-29-2017 at 09:36 PM.
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post #6 of 10 (permalink) Old 03-31-2017, 08:37 PM Thread Starter
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Quote:
Originally Posted by OleDirtyDoc View Post
take off the headlight and check all your plugs inside the buckets.also check the plugs on the left side under the gas tank

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You da man . I took off the headlight, and found one of the ignition wires was stripped. When I turned the handlebars to the right the exposed wire would ground itself on the forks.
I fixed it but haven't tested it yet since its been very cold. I'll update when i test it.
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post #7 of 10 (permalink) Old 04-02-2017, 01:43 PM
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Doc how did you figure that one out? Its so ridiculously simple that its extremely difficult to figure out. Had that happened to you before?
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post #8 of 10 (permalink) Old 04-02-2017, 02:04 PM
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Quote:
Originally Posted by Chris and Shim View Post
Doc how did you figure that one out? Its so ridiculously simple that its extremely difficult to figure out. Had that happened to you before?
yes on an old Yamaha 400.someone else here also had the same problem a while back

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Support your local FREEBIRDS MC
1986/5 Vn700/750 Frankenfook cross eyed bitch "Mellisa Fayhe"
I am a BIKER and i'm proud.FREEBIRDS MC CENTRAL NY

lowered with progessive 412 10" shocks
rejetted for K/N Pods part#rc 2340
sportster seat

'I didn't lose my mind.i gave it away

BRING BACK WOLFIE."Peace and Carrots"RIP
"And I'm free...as a bird"John Lennon Free as a Bird
"I only carry when I have my pants on"Joe Robinson RIP aka Old Dog
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post #9 of 10 (permalink) Old 04-02-2017, 04:04 PM
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Well Zack, there is a prime example of benefitting from the freely given experience here on-site. A zero-cost fix to something that bugs the sin out of ya. I'd probably be testing for cosmic rays from the planet Zarcon. May all of our problems be as simple (and cheap to fix).

TOC MCCTs
Saddlebags, hard mounted
Fork mounted tool bag (now hard mounted)
Relocated rear turn signals
LED turn signals, brake lights and running lights
LED license plate frame
Engine Guard and Highway pegs
National Cycles Low Boy Heavy Duty windshield
Home made lowers (nice)
Custom seat (made by a local guy)
Iridium plugs (DPR7EIX-9)
Shenko 230 Tour Master tires at 11,123 miles
Splines lubed at 11,123 miles
Luggage rack
Light bar with LED lights
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post #10 of 10 (permalink) Old 04-03-2017, 08:44 PM Thread Starter
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Quote:
Originally Posted by Chris and Shim View Post
Well Zack, there is a prime example of benefitting from the freely given experience here on-site. A zero-cost fix to something that bugs the sin out of ya. I'd probably be testing for cosmic rays from the planet Zarcon. May all of our problems be as simple (and cheap to fix).
Hahaha I feel you on that one.

Update: I taped up the exposed wires, gave it a test run and the bike no longer shuts off when turning right
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