Question about 2002 Honda VT 600 CD Shadow

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2002 Honda VT 600 CD Shadow misfires

Honda VLX 600 idles fine, but runs rough and misses under a load when it gets hot. Checked battery connections and ground connections. Cleaned carbs. No change. Re-jetted rich, no change. Re-jetted lean, no change. Checked continuity, insulation breakdown, and the voltage on the pulse coils and the ignition coils. Resistance was within spec and no continuity to ground. I don't have any voltage specs, but everything seems to be normal when compared to a similar ignition system. Also, swapped the ICM with another VLX, no change. @

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  • Honda Master
  • 49,461 Answers

Hi, Farrgerald and the usual suspects are:
1. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a cursory reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead-acid batteries.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking check for spark leakage in the dark
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Dirty air filter.
10. Intake air leak.
11. Water, dirt, or rust in the fuel system.
12. Carburetor contaminated, sticky float, plugged jets.
13. Carburetor has oil in the bowl due to excessive oil in pre-mix.
14. Carburetor vacuum diaphragm torn, cracked, not seated or installed improperly.
15. Multiple carburetors out of sync.
16. Fuel filter clogged.
17. Old or contaminated fuel.
18. Fuel tank vent system plugged or carb vent line closed off.
19. Gas cap diaphragm valve faulty.
20. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
21. Carburetor controls misadjusted.
22. Incorrect valve timing.
23. Valve springs floating, weak, or broken.
24. Damaged intake or exhaust valve.
25. Incompatible performance parts.
26. Control module may be in "LIMP" mode
27. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Not Firing On All Cylinders
Spark Plugs Gapping
Honda VT600C Shadow VLX Service Manual
Honda VT600C Owner Manual
https://www.partsfish.com/page/oem-parts-for-honda

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Posted on Feb 15, 2018

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Posted on Jan 02, 2017

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SOURCE: honda vlx 600 seems to be running rich,took out a

There are two set screws on the throat of the intake. One is the high side and the other is the low side. You need to turn the high side about 1/4 turn clockwise. If it is still rich, do it again until it is nominal.

Posted on Apr 07, 2010

elstretchie
  • 140 Answers

SOURCE: 2001 honda shadow vlx 600 idles fine will not take

G'day mate 1st there will be a small gauze filter in the fuel tap ,may also be little gauze at needle and seat in carbs 2nd have you got an air leak , check this by letting the motor idle and spray around the carb where it goes onto the head with WD40/CRC/RP7 style lubricant if it revs up , you got a leak, 3rd remember that a coil will take much more power to rev an engine up than to let it idle . hope this helps

Posted on Mar 31, 2010

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1996 honda Shadow vlx 600 starts, run for 1 minute and dies


How did you check the petcock? sure its not that.Yeah swap coil packs then ask again.

May 26, 2014 | 2002 Honda VT 600 CD Shadow

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2002 Honda VT 600 CD Shadow do I need a tach adapter for dual coil single fire motorcycle


Hi, Anonymous for more information about your question and valuable "FREE" downloads that you will need for viewing and printing please click on the blue links below. Good luck and have a wonderful day.
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May 11, 2014 | 2002 Honda VT 600 CD Shadow

1 Answer

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Check the Spark plug and the HT leads. These can break down over time and through heat stress.

Jun 19, 2013 | 2002 Honda VT 600 CD Shadow

1 Answer

2005 Honda VT 600 CD Shadow will not stay running


Hi, Gordon and the usual suspects are:
1. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead-acid batteries.
2. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, stator, magneto, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Faulty neutral, side stand or clutch lever safety switch.
10. Air/fuel mixture screw improperly adjusted.
11. Accelerator pump damaged or not working.
12. Water or dirt in the fuel system, carburetor or filter.
13. Restricted, blocked or kinked fuel line.
14. Fuel tank empty.
15. The gas cap is not venting properly or fuel tank venting system blocked.
16. A failed fuel pump, pressure regulator and or fuel injectors.
17. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
18. Needle and seat stuck closed in the float bowl.
19. Lean angle switch is faulty or needs adjustment.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Dec 27, 2012 | 2005 Honda VT 600 CD Shadow

1 Answer

2002 Honda VT 600 CD Shadow widest front tire


Hi, Elroy the answer to this question is way above my pay grade for this situation, I would call or visit my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Nov 23, 2012 | 2002 Honda VT 600 CD Shadow

1 Answer

2002 Honda VT 600 CD Shadow the gas tank is loose


Hi, Mcneff for this scenario you will need your service manual, parts fiche, and owners manual if you can't find the best tool you ever bought for your Honda, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Sep 09, 2011 | 2002 Honda VT 600 CD Shadow

1 Answer

2003 Honda VT 600 CD Shadow will not go over 70 mph


Hi, Hornboxing and the usual suspects are:
1. Inlet system air leak.
2. Enrichener valve not seated or leaking.
3. Damaged or restricted fuel tank vent system.
4. Restricted fuel supply tract.
5. Dirty or damaged air cleaner element.
6. Plugged bowl vent or overflow.
7. Worn or damaged needle or needle jet.
8. Vacuum piston assembly malfunction.
9. Loose or plugged main jets or passages.
10. Improper float level.
11. Accelerator pumps inoperative.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Mar 28, 2011 | 2003 Honda VT 600 CD Shadow

1 Answer

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Quoted directly from my '02 owner's manual for Honda Shadow VT600C/CD or VLX/Deluxe:
the gap should be:0.031 - 0.035 in (0.80 - 0.90 mm)

Feb 19, 2011 | 2002 Honda VT 600 CD Shadow

1 Answer

My 2002 honda shadow vlx drains the baterry


Find out what is on and turn it off. Put a volt ohm meter in line with the hot wire on the battery. Observe the draw in AMP setting as you with draw the fuses one at a time. When the draw goes to zero, you have found the circuit that is draining the battery ...

Jun 06, 2010 | 2002 Honda VT 600 CD Shadow

1 Answer

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Check fuel pump. You might have a bad diaphragm.

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