only firing off one cylinder - Suzuki Volusia Forums : Intruder Volusia and Boulevard Forum
 
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post #1 of 10 (permalink) Old 05-27-2007, 07:50 PM Thread Starter
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only firing off one cylinder

HELP!! I am really beginning to not like my 2002 VL800. I have never owned a bike or chopper that has had more problems that I cannot diagnose.

I have not rode the bike for 5-6 days and when I got on this morning to take her out... she decided to only run on one cylinder (front). I am blowing cold exhaust out of the top exhaust. I checked for the obvious fouled plug and doubled checked the vaccumm lines routing. Nothing! Everything looks OK. Before I get upset and decide to sell or worse, take to the stealer, does anyone have any ideas???????

Alec

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post #2 of 10 (permalink) Old 05-27-2007, 08:24 PM
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does the plug have spark? did the wire come loose?
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post #3 of 10 (permalink) Old 05-28-2007, 12:10 AM Thread Starter
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Yes, got spark and tight fit plug.... I guess tomorrow I will re-run all the lines and once again check gaps and see.

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post #4 of 10 (permalink) Old 05-28-2007, 12:58 AM
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When is the last time you changed the pulgs? They may have gotten fuel fouled. If so they will look good but under pressure they won't fire. Maybe the porcelin got cracked . check the plug wire to see if it is shorting out against the frame or engine. If all this is good then check the valve adj. Do the easy things first. Hope you find the trouble.. ..scruffy
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post #5 of 10 (permalink) Old 05-28-2007, 01:03 AM
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If you have spark, the next item to really look at is your fuel system. I am guessing it's carburetored, so a carb clean maybe in order.

IMHO usually engine running/drivability problems goes in this order:fuel, engine management, minor mechanical (vacuum leaks), tune-up, ignition, and then major mechanical.
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post #6 of 10 (permalink) Old 05-28-2007, 04:30 PM Thread Starter
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All-

1. Well, I cleaned the plugs and checked for spark, again. Got Spark.

2. I have brokent he bike down and tomorrow I will check the carb for "gum" and give it a cleaning.

3. If that does not give me two cylinders, then I plan to check the hoses (once again) and the fuel line and pump.

Sound good..... any thoughts?

Thanks in advance.

Alec

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post #7 of 10 (permalink) Old 05-28-2007, 09:08 PM
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If bike fires on one cylinder, you have an electrical problem.

You say you have spark but might be "weak spark"?.........I would spin in a new set of plugs, if that ain't it you have a spare set. Could be a defective igniter unit or ignition coil for that cylinder.
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post #8 of 10 (permalink) Old 05-28-2007, 10:22 PM
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compression

Does the cylinder have compression? You need fire- fuel- compression.
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post #9 of 10 (permalink) Old 05-30-2007, 06:23 PM Thread Starter
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Update...

Ok... just wanted to give all how offered advice an update:

Cleaned the air filter
Cleaned and gapped the spark plugs
Reconnected spark plug wires
Blew out vaccum lines and carburator hoses

and.....

She is running stronger than ever.

Thanks.

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post #10 of 10 (permalink) Old 05-30-2007, 08:27 PM
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Congrats!! Now ride!!!
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