Bike stalls out on freeway..... - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
VN750 General Discussion

Reply
 
LinkBack Thread Tools Display Modes
post #1 of 11 (permalink) Old 06-08-2010, 07:06 PM Thread Starter
Banned
 
Join Date: Jun 2010
Location: Simpsonville, SC
Posts: 1,620
iTrader: (8)
 
Bike stalls out on freeway.....

Today on my way to work, the bike stalled out on me. This happens from time to time, but this time it died and took the battery with it! So two hours and $80 later.... with new battery installed, she fires right up and I go on my way. 10 miles down the road and the bike stalls again. After a couple mins. it starts up and I finish my ride to work. On the way home, 20 mins. into my ride, it stalls again going down the expressway. Let it sit a couple mins. and it starts right up again.
This has been an ongoing issue and getting worse.....
sometimes the bike is hard to start, and backfires..... mostly when it is cold, but sometimes after a ride.
Used to be if it didn't warm up for awhile before leaving, it would stall about three miles down the road. now it just seems to happen at random times.
When it stalls, I have to just sit and wait about two mins. and start it with about half choke. after that the idle surges up and down. (idles fine cold after initial choke period)..... funny thing is, the whole problem went away for about a week when I switched to 93 octane. I thought that fixed it somehow, but the stalling problem is back and worse than before.
Any ideas on what is going on here???
Thanks,
-=DaRiv=-
dariv is offline  
Sponsored Links
Advertisement
 
post #2 of 11 (permalink) Old 06-08-2010, 08:02 PM
Senior Member
 
peerless's Avatar
 
Join Date: Apr 2010
Location: Strawplains, TN
Posts: 192
iTrader: (3)
 
Lance will be probably along soon to help you out. I would first check to make sure that the carb vent hose is not flapping in the wind or bottomed out in the holder on the right ear. I would also check the gas cap vent to make sure it's not clogged. This kind of sounds like POOGS.

2004 VN750 "Rosanna"
Acquired March 6, 2010

Done:
NGK Iridium Plugs
NGK Caps
Big Crank ETX15L AGM Battery
Battery Tender Jr. w/Pigtail
Marbled
Rear Spline Lubed
Front Spine/U-Joint Lubed
Metzeler ME 880's
Brake Fluid Flushed, Filled, and Bled
Saddlemen Studded Saddlebags and Tank Bib
Installed 12 Volt Power Outlet
Debaffled
R/R Relocated flightcontrol Style

Pending
N/A... I'm Going Ridin'
peerless is offline  
post #3 of 11 (permalink) Old 06-08-2010, 10:03 PM
Members who have donated towards server costs
 
KIMMERLING's Avatar
 
Join Date: Sep 2009
Location: SAN ANTONIO, Texas
Posts: 1,126
iTrader: (7)
 
Send a message via Skype™ to KIMMERLING
Did you irrigate the vent from the fuel cap to the back tire? Shoot a bunch of carb cleaner in there if you havent yet...put a white piece of paper under the outlet before. There are threads on POOGS.

2011 Suzuki VSTROM DL650 with ABS Purchased Jan 28 now with 39,000miles WRECKED JAN 12 ,2013
"To strive, to seek, to find, not to yield."
05 Vulcan 750 26,050miles *Traded in*
Ventura guards
MadStadt mount
Givi windshield/Heated grips
Backoff
Riderbeads
Givi 52 topcase
Pat Walsh Crash bars skid plate
OEM centerstand
Headlight modulator
Battery tender
Aquarium thermometer with forward probe mount
Admore LED Lighting/Givi E36N panniers
KIMMERLING is offline  
 
post #4 of 11 (permalink) Old 06-08-2010, 10:17 PM
Senior Member
 
cglennon's Avatar
 
Join Date: May 2008
Location: Portland, OR
Posts: 734
iTrader: (0)
 
Send a message via Skype™ to cglennon
I did not think that POOGS would drain the battery, solved or caused by higher octane gas. Your situation may sound like POOGS, but it has a different twist. Either way POOGS is easy to verify. Question: Does the constant stalling occur when the gas tank is at or below 1/2 tank? If yes then check the gas cap vent.

I just went through this on my 06 (non-CA model), exact same situation too (stall at tank gas). Try this (again '06 non-CA model, other models and CA emissions may differ): Don't be afraid of the number of steps, it really only takes 20-30 minutes.

Step 1: Clean the gas cap vent tube:

1. Place a piece of paper in front of the REAR tire or wherever the gas vent tube exits
2. Open the gas cap
3. Spray carb (or brake) cleaner into the vent tube located on the tank, near the base of the gas cap hinge. Use the straw attachment for the spray can.
4. Observe the drips onto the piece of paper. Continue spraying until it runs clear.


Step 2: Clean the gas cap vent mechanism

1. Open the gas cap and remove the key.
2. Cover the tank inlet tube with tape or a piece of paper to prevent dropping things in the gas tank. I used a large PostIt note, which worked well.
3. Remove the two brass screws that hold the latch mechanism on the bottom of the gas cap.
4. Remove the latch mechanism. Note: there is a loose component in the base that covers the latch spring. Be careful not to drop it into the tank during removal. Inspect the latch, clean as necessary (chances are this is NOT where the problem is), then set aside.
5. Careful not to loose the 5 small springs mounted on posts under the latch mechanism. You can leave them where they are or remove them for safe keeping.
6. Before proceeding remove the small collar from the male latch connector (look for the round key cylinder). The collar acts like a bearing when opening and closing the latch using the key. It is loose and easily lost. Slip it off and put it aside for safe keeping.
7. Remove the two short screws at the base of the gas cap vent, but DO NOT yank the vent off yet.
8. The vent gasket is glued to the cap (at least it was on mine) and the vent assembly might be stuck to the gasket. GENTLY, wiggle the vent back and forth to loosen it and prevent damage to the gasket.
9. With the vent assembly removed, inspect the gasket for tears or bulges. Spray with carb cleaner (just a little) and wipe with a clean cloth. Inspect the cloth for signs of debris.
10. Now for the root of the problem; Remove the small round plastic check valve/liquid separator located on the underside of the vent assembly. GENTLY ply it out, careful not to damage the silicone valve covering the base of the check valve. Remove the gasket as well and place it aside. Inspect and clean the check valve, ESPECIALLY the tiny 90 degree elbow which leads to the vent hole. NOTE: there is another silicone valve cover permanently mounted in the gas cap vent itself (part of the pressure release part of the valve). DO NOT attempt to remove it or you will damage it. Just make sure it is clean and functioning.
11. Now check the vent hole. Hold the vent assembly up to the light and look up from where the plastic check valve was mounted. See any light where that tiny 90 degree elbow fits? Follow the vent channels on the opposite side of the vent assembly. Any blockage? Unplug the holes and clean the channels.
12. Reassemble.


Step 3: Repeat Step 1 frequently (at least once a year) to prevent this from happening again.

UPDATE 5/5/2010: My Phantom has been uncloaked! I took a closer look at where/how the rubber vent tube exits in front of the rear tire. I found that the tube had been (and still is) rubbing against the rear tire. The 'black fluffy carbon' blocking my vent was probably rubber shavings caused by the vent tube rubbing against the tire. I've temporarily rerouted the vent tube to exit along side the coolant overflow tube to eliminate the vent tube/tire rubbing. I still plan to flush the vent once a year to reduce the possibility of dirt and dust reaching and blocking the actual gas cap vent.


Chris Glennon - Portland, OR
cglennon is offline  
post #5 of 11 (permalink) Old 06-08-2010, 10:23 PM
MANIC MECHANIC
 
vulcanjoe's Avatar
 
Join Date: Feb 2006
Location: Dale City, VA
Posts: 942
iTrader: (0)
 
Send a message via MSN to vulcanjoe Send a message via Yahoo to vulcanjoe
I dont believe it is the poogs, it sounds like the same problem i am having everyone thinks it is carb related so while i am reinstalling my needle shims and new jets tomorrow i am also going to install new float valves and reset the levels. and install my new(used) igniter


34k so far
VN750.com member #613
Keep the shiny side up
coastered
de-goat and baffles removed
jetted 42-150 2 shims
Earshaved with unifilters
inside of tank coated
spline lube
long Beach Blue Pearl Paint 4/07
Shindengen FH012AA r/r
TPE stator
Exide sc30lfa Battery 28ah 445cca
Saddlemen saddlebags
2001 HD fatboy solo seat
Custom taillight & rear turn signals
Fergy's coil relay mod
Fiamm El-Grande high/low tone horns
vulcanjoe is offline  
post #6 of 11 (permalink) Old 06-08-2010, 11:44 PM
Senior Member
 
peerless's Avatar
 
Join Date: Apr 2010
Location: Strawplains, TN
Posts: 192
iTrader: (3)
 
Is it possible that the battery is simply coincidental? Seems like the battery going bad would prevent a start after sitting for a few minutes to me.

2004 VN750 "Rosanna"
Acquired March 6, 2010

Done:
NGK Iridium Plugs
NGK Caps
Big Crank ETX15L AGM Battery
Battery Tender Jr. w/Pigtail
Marbled
Rear Spline Lubed
Front Spine/U-Joint Lubed
Metzeler ME 880's
Brake Fluid Flushed, Filled, and Bled
Saddlemen Studded Saddlebags and Tank Bib
Installed 12 Volt Power Outlet
Debaffled
R/R Relocated flightcontrol Style

Pending
N/A... I'm Going Ridin'
peerless is offline  
post #7 of 11 (permalink) Old 06-08-2010, 11:50 PM
MANIC MECHANIC
 
vulcanjoe's Avatar
 
Join Date: Feb 2006
Location: Dale City, VA
Posts: 942
iTrader: (0)
 
Send a message via MSN to vulcanjoe Send a message via Yahoo to vulcanjoe
Quote:
Originally Posted by peerless View Post
Is it possible that the battery is simply coincidental? Seems like the battery going bad would prevent a start after sitting for a few minutes to me.
i also believe the battery is coincedental. I will let you know how mine goes tomorrow.


34k so far
VN750.com member #613
Keep the shiny side up
coastered
de-goat and baffles removed
jetted 42-150 2 shims
Earshaved with unifilters
inside of tank coated
spline lube
long Beach Blue Pearl Paint 4/07
Shindengen FH012AA r/r
TPE stator
Exide sc30lfa Battery 28ah 445cca
Saddlemen saddlebags
2001 HD fatboy solo seat
Custom taillight & rear turn signals
Fergy's coil relay mod
Fiamm El-Grande high/low tone horns
vulcanjoe is offline  
post #8 of 11 (permalink) Old 06-09-2010, 12:08 AM
Senior Member
 
peerless's Avatar
 
Join Date: Apr 2010
Location: Strawplains, TN
Posts: 192
iTrader: (3)
 
Good luck, I hope you get it straightened out.

2004 VN750 "Rosanna"
Acquired March 6, 2010

Done:
NGK Iridium Plugs
NGK Caps
Big Crank ETX15L AGM Battery
Battery Tender Jr. w/Pigtail
Marbled
Rear Spline Lubed
Front Spine/U-Joint Lubed
Metzeler ME 880's
Brake Fluid Flushed, Filled, and Bled
Saddlemen Studded Saddlebags and Tank Bib
Installed 12 Volt Power Outlet
Debaffled
R/R Relocated flightcontrol Style

Pending
N/A... I'm Going Ridin'
peerless is offline  
post #9 of 11 (permalink) Old 06-09-2010, 01:35 AM
Old Truck Junkie
 
niterider's Avatar
 
Join Date: Jul 2007
Location: Roby Texas
Posts: 4,130
iTrader: (15)
 
It can also be that your ignition switch needs a good cleaning.

02 honda sabre 1100
niterider is offline  
post #10 of 11 (permalink) Old 06-09-2010, 06:24 PM Thread Starter
Banned
 
Join Date: Jun 2010
Location: Simpsonville, SC
Posts: 1,620
iTrader: (8)
 
OK.....
so I squirted some brake cleaner into the vent hole near the filler hole. Nothing came out under the bike. So I squirted more. and waited. nothing. so I pulled the seat off and found out that the vent is connected to the "blue" hose. The blue hose goes to some canister behind the coolent tank. then there is another hose that goes to a big black box with several hoses going into it. It also goes to a tee near the base of the gas tank. One of the hoeses off the tee is pinched shut....
I'm guessing the pinched hoes is the problem.....
but I was expecting the vent from the gas tank to just go to the bottom of the bike, not some other canister.... so should I do something to get the brake cleaner out of the system? Can I just get rid of a bunch of that crap? Is this bike a "California " model??
dariv is offline  
Sponsored Links
Advertisement
 
Reply

Bookmarks

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

Once registered, your User Name"cannot be changed". We can make exceptions within 7 days, but after that, it is set in stone.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome