Im about ready to... - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Carbs and Fuel System
From the gas tank to the carbs
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post #1 of 22 (permalink) Old 08-08-2011, 04:06 PM Thread Starter
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Im about ready to...

Beat this ****ing bike into pieces with a ****ing sledge hammer.

Yesterday while riding home, my bike backfired really loud about 3 times one after the other, so I pull off into a walmart and turn the bike off, then have trouble getting it to fire back up like it was flooded or something. Well after about 30 minutes, I get the bike to fire up, and it rode fine all the way home until I hit the driveway...then it dies when I clutch to roll into the garage, and this morning it wouldnt stay running at all without the choke on. Well I checked the carbs, re-synced them because I noticed a consistent white smoke coming out of the front cylinder exhaust, and took the pet cock off because it was clogged or something and not giving any fuel to the carbs which made sense because it seemed like the bike was out of gas. Well nothings worked so far. still smoking. still wont stay running (not for very long) and I just had the mother****ing carbs rebuilt last month and Ive been checking my plugs periodically and they look good so I know the a/f mix is good...Im losing all patience with this ****ing basket case piece of ****, Any ideas as to what the **** the problem is?
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post #2 of 22 (permalink) Old 08-08-2011, 04:36 PM
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Have you checked for vacuum to the petcock?

The second symptom, consistent white smoke from the front cylinder, could indicate a blown head gasket with coolant entering the combustion chamber.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

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post #3 of 22 (permalink) Old 08-08-2011, 05:50 PM
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I agree with Gordon, sounds like a head gasket. Check compression, and check if the coolant or oil levels have changed.
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post #4 of 22 (permalink) Old 08-08-2011, 06:16 PM Thread Starter
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The oil level is low, and I just changed it last weekend....coolant levels are fine though. I thought I had found an oil leak before but I sprayed it with brake clean and its been clean ever since.
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post #5 of 22 (permalink) Old 08-08-2011, 06:42 PM
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Is the tank clean? I took the fuel filters off mine after I cleaned the tank because there isn't much room for them and it looked like they were rubbing. But I like inline filters on a bike, just for such reasons.

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
_____________________________________________
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1989 VN750 acquired December, 2008, 6,711 miles
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post #6 of 22 (permalink) Old 08-08-2011, 06:47 PM Thread Starter
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Ill have to get it to my shop somehow to test the compression, and let our general auto guy take a look at it because he works on bikes too, but thats a 25 mile ride, as I have no truck or trailer, and I aint paying for a tow. It sounds like theres a vacuum leak somewhere, but I sprayed and sprayed around the carbs with carb cleaner, and i couldnt find anything. As for the white smoke its coming out very faint..it almost seems like the bike is running rich, but it cant be, as the plugs still look good. Could very well be a head gasket though...thats the only explanation for losing oil as there are NO oil spots when I park it, and nothing on the engine.
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post #7 of 22 (permalink) Old 08-08-2011, 06:52 PM
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Garage
If you have it insured, dig a hole out in the boonies, bury the sucker and report it stolen.*




* I have to point out that I am joking, as insurance fraud is a serious crime.

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post #8 of 22 (permalink) Old 08-08-2011, 07:03 PM Thread Starter
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Quote:
Originally Posted by Knifemaker View Post
If you have it insured, dig a hole out in the boonies, bury the sucker and report it stolen.*




* I have to point out that I am joking, as insurance fraud is a serious crime.
Wish I had it insured......I know plenty of places to dig a hole.
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post #9 of 22 (permalink) Old 08-08-2011, 09:54 PM
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If it's causing you that much stress dude, cut your losses. Sell it as is and save for something else.

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post #10 of 22 (permalink) Old 08-08-2011, 10:19 PM Thread Starter
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thinking about it.
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