Solving this - Once and for all. - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 13 (permalink) Old 09-24-2014, 10:47 PM Thread Starter
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Lightbulb Solving this - Once and for all.

No more shots in the dark.

I finally heeded the advice of many here and got the Clymers. Armed with that it's time to kill this problem systematically once and for all.

I will use this thread to post all my updates until this is fixed. Also I will be charting my progress and mirroring my posts on my blog.

http://michaelcmichaeldo.com/blog/?p=93

On with the post! (verbatim from my blog)

Back in February my wife approached me that it was fiscally responsible to replace our recently totaled car (not our fault) with a commuter motorcycle for me. It took me all of 3 seconds to agree with her.

I got the bike, a beautiful 2006 Vulcan 750. A month later the problems began. I have fought with this bike for 8 months and Iíve tried many different things. I finally got tired of shooting in the dark and have decided Iím going to fix this thing once and for all.

I purchased a Clymerís manual and began reading.



Boy do I wish I had purchased this before. I was being hardheaded and wasnít listening to my brothers over at www.vn750.com Needless to say, my understanding is increasing and I am now ready to conquer this thing and figure I might as well Chronicle the entire adventure here.

Based on my reading and experience from a fellow local vn750 rider I am starting at the fuel system.

The Tank

Tonight I cleaned out my tank. I didnít have much time as the sun went down so pic are sparing tonight. I flushed the tank 4 times. I decided that I needed to visually see what was in my tank. I had tried flushing before but again I had no clue what I was doing.

I removed the seat, then disconnected the tank vent, fuel gauge wires, Carb vent tube from the underside of the tank on the fuel gauge nipple (Iím earshaved and itís simply a dead air location), the 2 fuel lines and vacuum line from the petcock (fuel valve), unbolted the two 12mm bolts holding the tank on (my bike does not have the third bolt under the seat and on the rear of the tank, itís stripped out) and removed the tank.

I placed it on a scrap of plywood. I got a gas can, large funnel and paint strainers, the kind that are funnel shaped with a netting and fit in the funnel. Turning the tank on itís side, petcock up, I unbolted the two 10mm bolts, carefully removed the petcock taking care not to damage the 2 attached strainers (the only filter we have on this bike). With a strainer in funnel and funnel in gas can I turned the tank carefully petcock side down and poured the fuel into the gas can. As the tank emptied, I progressively increased the angle at which I was pouring, attempting to get the fuel to pool over the hole before coming out and allowing any sediment to come out.

Once empty, I replaced the petcock, opened the gas cap, put a new strainer in the funnel, funnel in tank and poured the gas from the can into the tank. Closing the gas cap, I sloshed, shook and rocked the tank trying to keep the gas settling on the petcock area.

I then put my first strainer back in the funnel and repeated the process going from the tank to the can. I absolutely made sure to always keep 1 strainer for pouring from tank and one for pouring from can. This allowed me to keep track of what crap was in the tank and what crap was in the can and kept the gas clean. I repeated this process 4 times and each time the strainer collected what was in the tank.

It definitely paid off because this is what I found in my tank.



Put everything back together, fired her up, let her warm up, ran around the block aaaaannnnddÖ.she spit and sputtered and stalled multiple times on the way back. The problem is still hereÖsigh. I have to keep the throttle up and feeding her w/ fuel to keep from stalling. Still think itís a fuel delivery issue.

Iím not going to get angry this time around. I am no longer shooting in the dark. Systematically I WILL beat this.

Since I already recently thoroughly cleaned the carbs (replaced many parts inside as well), rebuilt the petcock and replaced the fuel and vacuum lines, I figure there might just be something wrong with this petcock and/or the vacuum actuation.

Next up. All new petcock. Leaving the vacuum design behind and using a TW200 which will allow free flow.

Tune in for part 2 later.

,Mike

2006 Vulcan 750
Ear Shaved
Re-jetted
ACCT --> MCCT Conversion
TW200 Petcock
www.michaelcmichaeldo.com
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post #2 of 13 (permalink) Old 09-25-2014, 06:37 AM
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Im on pins and needles...

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post #3 of 13 (permalink) Old 09-25-2014, 07:11 AM
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I'm following this.

2003 vn750
1988 Pontiac Trans Am (project/driver)
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post #4 of 13 (permalink) Old 09-25-2014, 07:14 AM
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You're supposed to read the manual?

Moving this to "Projects and Builds" as it does sound like a "project" to me.
Please keep your progress confined to this thread..

Good luck!

If You Are Not Sure If I Am Joking or Not....I AM !!Photos:
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post #5 of 13 (permalink) Old 09-25-2014, 10:52 PM
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wait no one gave this guy the link for the free online manual

you guys are just mean making him spend his hard earned money like that

shame on you all lol

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post #6 of 13 (permalink) Old 09-26-2014, 07:32 AM
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Most folks prefer the Clymer manual and just use the Kawasaki service manual as back up reference.
I actually have the Kaw manual on a CD....

If You Are Not Sure If I Am Joking or Not....I AM !!Photos:
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post #7 of 13 (permalink) Old 09-26-2014, 07:44 AM
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Clymer manual has better pictures than the factory manual.

2003 vn750
1988 Pontiac Trans Am (project/driver)
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post #8 of 13 (permalink) Old 09-26-2014, 08:46 PM Thread Starter
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I actually have the downloadable manual. The pictures were so grainy it was driving me nuts.

Normally i'm all about tech, (18yrs IT tech and now robotics engineer) but in this case paper is the only way to go for me. I was too busy babying my tablet in my work area and worrying about whether it was going to break or not.

In this case i just wanted the paper copy. only thing is i wish the pictures were in color.

,mike

2006 Vulcan 750
Ear Shaved
Re-jetted
ACCT --> MCCT Conversion
TW200 Petcock
www.michaelcmichaeldo.com
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post #9 of 13 (permalink) Old 05-14-2015, 10:49 PM
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8 months later.....guess he systematically forgot to update....or didn't get it fixed right.

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post #10 of 13 (permalink) Old 05-14-2015, 11:12 PM
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Quote:
Originally Posted by M_Angell View Post
Clymer manual has better pictures than the factory manual.
I like pictures...

ONE RATS ASS GIVEN PER POST
Support your local FREEBIRDS MC
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