Question about 2005 Honda VTX 1300 S

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I have a 2005 vtx 1300. It appears the front cylinder is not firing properly. It has spark.

The front cylinder doesn't seems to be firing all the time. I removed a plug and it was firing. If I am going 55 and grab some throttle it takes forever to reach 60. Last year it responded like right now.

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  • 33 Answers

Clean the carb first, before start adjusting up & down!

Posted on Apr 30, 2014


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Posted on Jan 02, 2017


SOURCE: I have a 2005 vtx 1300 and it really back fires

Hi TJ,
There are a lot things tht may cause backfiring.
It could be due to the timing being incorrect.
It can also be due to the gas having water in it.
When did you start facing this problem?,suddenly, or after some reapirs or was the bike stored for a longtime ?

Posted on Mar 01, 2009

  • 921 Answers

SOURCE: 2005 vtx 1300 wont start and has no headlight

Check regulator...this powers all running light tail lights etc.

Posted on Sep 13, 2009

ollie reece
  • 1167 Answers

SOURCE: My 1300 vtx 2005 backfires through exhaust when I

hi buddy on carb will be a screw turn this in till it stops back firing get back to me if it didnt work its the mixture screw below 0064f2f.jpg

Posted on Oct 05, 2009

Testimonial: "Thank you so much, have not got it perfect yet but that is my problem. Will get it right tomorrow. Thanks again!!"

  • 496 Answers

SOURCE: 2005 VTX 1300 S

great news you can only win with this. i bet if you pull a spark plug and look at it, it will be white or close to it. if so your motor is lean, it's not get the right amount of gas. when you put pipes on a bike it lets more air flow and you need to jet your carb. you local bike shop can help you get a jet kit and handle the install if needed. when done right you get more performance out of it. while you are look into jets get a high flow air filter or look into a hyper charger they come a jet kit, k&n air filter and the air scoop price isn't bad

Posted on Jan 28, 2010

  • 440 Answers

SOURCE: I have a VTX 1300 that is backfiring, coughing and

You may have an air leak (extra air getting in) between the carbs & the engine. Inlet manifold rubbers do crack on Hondas but Yamahas are the worst.
Check for cracks, check the o rings (each end of inlet manifold) & check for leaks from air-box to carbs
Carbs need to be balanced (synchronised) to let the engine run smoothly but will not produce those symptoms if left unbalanced.
You should also check the HT leads & spark plug caps for shorting, run the bike in the dark & look for sparks going to earth (sometimes you can only hear a ticking as the spark jumps across). Make sure the leads are not touching anything during this procedure

Ride safe
Please mark this as very helpful (if it has been!!)

Posted on Apr 27, 2010

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Hi, Anonymous 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.
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How many spark plugs are there to change on my 2005 Honda VTX shadow ?

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best wishes!

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2005 Honda VTX 1300 R misfires

Hi, Monte348 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.
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2007 vtx 1300 R idles good ,starts good - but back fire when accel

a back fire is to much fuel going down the exhaust and igniting, if you changed the exhaust pipes or allterd the air cleaner you will need to get it set up on a dyno . the air flow meter could allso be playing up a dealer repair really.

Feb 13, 2010 | 2005 Honda VTX 1300 R

1 Answer

I have a 2005 Honda VTX 1300 that will not start. It motor turns but won't fire. The lights work and are bright. The kill switch is off and there is gas in the tank. What could it be?

Firstly, have you checked for spark?? Is there fuel to the carb?? Is the vacuum line to the fuel valve OK?? If the motor turns, then your kill switch is OK. Check the "basics" first then let us know what your results are and we can move forward

Dec 28, 2009 | 2005 Honda VTX 1300 R

1 Answer

Back firing through rear cylinder

The most likely causes are:
  • Failed spark plug(s). Replace both spark plugs for the misfiring cylinder - or better yet, all four spark plugs.
  • Moisture trapped inside the spark plug caps. Pull the spark plug caps from the spark plugs and spray the inside with WD-40 to remove the highly conductive moisture (WD-40 is non-conductive). Inspect the caps for cracks or carbon tracking (lines of carbon left by electrical arcing, looking like pencil markings). Replace the caps if cracked or carbon tracked.
  • Contaminated fuel. Loosen the carburetor drain screw on the bottom of the carburetor. Catch the fuel in a clean container and inspect for signs of dirt, rust, water, etc.

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