Question about Honda CB 750 Motorcycles

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Firing order on cb750 1974 honda

What order of spark plug wires go on the engine

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  • Master
  • 409 Answers

Left coil feeds 1 and 4...right coil feeds 2 and 3...as long as you stick to this it doesn't matter which lead goes to which plug. Left coil will have one short lead and one long...short =1...long = 4. Right coil leads will be about even in length...doesn't matter which goes to 2 or 3.
It's a wasted spark system so plugs 1 and 4 fire together...2 and 3 fire together...only 1 cylinder in each pair will be compressed and ready to fire when the spark happens, the other will be empty and coming on to it's inlet stroke...

Posted on Jun 17, 2014

  • beefy666 Jul 08, 2014

    yes mine top coil feeds 1 and 4 bottom coil feeds 2 and 3

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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rselvy
  • 83 Answers

SOURCE: Rear cylinder not firing

The first thing I would do is replace the spark plugs again. You can foul a plug and it will cause you more problems than you can ever imagine. I see you have done all the logical things that I would recommend but I did not see you have replaced the plugs after the 200 miles. You would be surprised at how many times a $2.00 part can cause fits beyond belief.

Posted on Dec 08, 2008

  • 22 Answers

SOURCE: the fire order on a 82 Suzuki GS750 t

You only have 2 coils on this bike. It uses the wasted spark system. One coil will fire 1&4 the other will fire 2&3. You will see 2 HT cables from each coil. Try the left coil on 1&4 and right coil on 2&3. If it does not start try right coil on 1&4 and left coil on 2&3

Posted on Jul 23, 2009

wayneman01
  • 301 Answers

SOURCE: honda 1986 vf400f nc13 engine front two cylingers not firing help

If the spark appears to be weak only for the two front cylinders, then I would suggest checking the electrical connections for the ignition coils.
If the spark for the other two cylinders looks the same (yellow), then I'd suggest checking the compression on the non-functioning cylinders. A compression reading of 140~160PSI is what you're looking for. Low compression indicates internal engine damage - or could be from something relatively simple - like insufficient valve tappet clearance.

If the bike has been sitting for a long period of time, it could be that the carburetors are plugged up with fuel varnish. This can cause some cylinders to not run. A complete carb disassembly and clean-out will be needed.

Posted on Oct 23, 2009

Testimonial: "thanks for that feed back . there is plenty of fuel and compression is non existant on front left and 80 psi on front right,I suspect cam wear????"

  • 1 Answer

SOURCE: 2002 Honda Elite 80

if your getting no fuel at all to the carb then its the petcock valve it works off of vacume so take fuel line off and spin it over if fuel runs out then its fine that means your needle valve in carb maybe stuck. and in my case a stick pulled the vacume line off the intake that controls the petcock valve.

Posted on Jan 02, 2010

heimlich
  • 1978 Answers

SOURCE: 2000 honda 1100 shadow spirit. Rough idle, little power.

Replace the spark plug caps and try again. On Honda's the cap is often part of the wire (a dealer part) NGK makes some inexpensive plug caps about $5 each. They should OHM out to 5000 anything above or below and you need to replace them. This should fix the problem.

Posted on May 27, 2010

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1 Answer

What is the Wire Order with distributor?


theres no distributor and the firing order for your 3.8 is 1-6-5-4-3-2-the following link shows the coil pack
Buick General Motor 3800 V6 Engine Firing Order DIS IDI ignition timing 3.8 Buick Engine Coil Pack Firing Order Spark Plug Wire Location Which way do the spark plug wires go on & what cylinder is what?
.
For the Buick V6 231 3.8 liter turbocharged engine:
.
Answers!
.
Firing order:
1 - 6 - 5 - 4 - 3 - 2.
.
Spark plug wire location on coil pack:
.
Closest to the back of the car, left to right: 1 - 5 - 3.
Closest to the front of the car, left to right: 4 - 2 - 6.
.
Spark plug wire location on engine:
.
drivers side, front to back of car: 1 - 3 - 5.
passenger side, front to back of car: 2 - 4 - 6.
.----and this link shows the coil pack to cylinders
.
3 8 Buick Turbo Engine Coil Pack Firing Order Spark Plug Wire Location

Aug 15, 2015 | 1987 Buick Regal

1 Answer

Spark plug wiring diagram for a 2003 chevy malibu


SPARK PLUG WIRE REPLACEMENT (ENGINE CONTROLS - 3.1L)

Removal Procedure


    211481.png
  1. Turn OFF the ignition.
  2. Notice: Twist the spark plug boot one-half turn in order to release the boot. Pull on the spark plug boot only. Do not pull on the spark plug wire or the wire could be damaged.
  3. Remove the spark plug wires 2, 4, and 6 from the engine left side spark plugs.
  4. Remove the spark plug wires from the retaining clips.

  5. 211485.png
  6. Remove the spark plug wires 1, 3, and 5 from the engine right side spark plugs.
  7. Remove the spark plug wires from the retaining clip.

  8. 162818.png
  9. Remove the spark plug wires from the ignition coils.
  10. Remove the spark plug wires from the engine.
  11. If you are replacing the spark plug wires, transfer any of the following components:
    • Spark plug wire conduit
    • Spark plug wire retaining clips

Installation Procedure


    162818.png
  1. Install the spark plug wires to the engine.
  2. Install the spark plug wires to the ignition coils.

  3. 211485.png
  4. Install the spark plug wires 1, 3, and 5 to the engine right side spark plugs.
  5. Install the spark plug wires to the retaining clip.

  6. 211481.png
  7. Install the spark plug wires 2, 4, and 6 to the engine left side spark plugs.
  8. Install the spark plug wires to the retaining clips.
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Aug 20, 2014 | Vehicle Parts & Accessories

1 Answer

If i have a 1996 chevy cavalier i have the firing order for the spark plugs but need the order for the distributor or ignition coil


Firing Orders
  • Sending Units And Sensors
  • Starting System
  • GM Cavalier/Sunfire 1995-2000 Repair Guide

    FIRING ORDERS

    Print
    See Figures 1 and 2
    To avoid confusion, remove and tag the spark plug wires one at a time, for replacement.
    If a distributor is not keyed for installation with only one orientation, it could have been removed previously and rewired. The resultant wiring would hold the correct firing order, but could change the relative placement of the plug towers in relation to the engine. For this reason it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes to reflect how your engine is wired.


    0900c1528003cbe2.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Fig. 1: 2.2L (VIN 4) Engine Firing Order: 1-3-4-2 Distributorless Ignition System

    Apr 16, 2013 | 1996 Chevrolet Cavalier

    2 Answers

    No spark to engine 1991 ford pickup


    It can be faulty or dirty spark plug itselfd.Also for reference get the fuel level checked.Is the fuel tank is empty or near to empty.
    Try cleaning the spark plugs and then see if that is helpin.On some cases the black carbon layer gets collected on the spark plugs and that causes the problem,so cleaning the plugs help.But if its not helping,then spark plug has to be replaced.Spark plugs get power from ignition coil to ignite sparks.If ignitioncoils are faulty then also there will no spark.--------------

    To troubleshot and confirm the issue,i suggest you to go through the help links provided below,check the procedure and it will help you to confirm the issue in your case.
    ----------
    Click the link below:------

    Car cranks, has spark but will not ?

    http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html


    -----------

    The spark plug firing order for car?

    http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html

    ------------

    How to Replace Spark Plugs?

    http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html


    ---------------

    How to Perform a Basic Engine Tune Up-Spark Plug and Wire Change

    http://schematicsdiagram.blogspot.com/2011/08/how-to-perform-basic-engine-tune-up_01.html


    ----------

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    ---------

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    ------------
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    -----------

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    --------------

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    --------

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    ----------


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    ------------

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    ----------------

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    ----------------

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    ------------

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    --------

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    ----------------

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    -----------

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    -----------

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    ---------------

    These details will help.

    Thanks.

    Nov 26, 2012 | Cars & Trucks

    1 Answer

    Spark plugs and wires


    It sounds like the spark plug wires are not plugged into the correct place on the distrubutor. take the distributor cap off and crank the engine over. Make a note of which direction the rotor spins. (Clockwise, or Counterclockwise) then find the firing order for that engine. Sometimes the firing order is on the intake manifold. (if you tell me which engine it has, the 4 cylinder 2.0, or the 6 cylinder 2.5; I could post you the firing order). Now on the distributor cap there is one wire post that has the #1 on it, that would be where you put the spark plug wire from cylinder 1. Following the rotation of the distributor rotor, you would put the spark plug wire for the next cylinder in the firing order after the #1 wire, and so on.

    Dec 11, 2011 | 1998 Ford Contour

    1 Answer

    Describe your how fix my pontiac 2000 montana Problem changing spark plugs



    Inspection

    Inspect for the correct routing of the spark plug wires. Improper routing may cause cross-firing. Inspect each wire for any signs of cranks or splits in the wire. Inspect each plug wire boot for tearing, piercing, arcing, carbon tracking or a corroded terminal.
    If there is any corrosion, carbon tracking or arcing indicated on a plug wire boot or terminal, both the plug wire and component it was connected to should be replaced.


    Removal & Installation

    3.5L Engine

    1. Before servicing the vehicle, refer to the Precautions Section.
    2. Remove the left side spark plug wires from the spark plugs.
    3. Remove the left side plug wires from the retaining clips.
    4. Rotate the engine for access as follows:
      1. Set the parking brake.
      2. Shift the transaxle into neutral.
      3. Remove the engine mount strut bolts. Swing the engine mount struts aside.
      4. Install the Engine Tilt Strap J-41131.
      5. Pull on the engine in order to rotate the engine forward.
      6. Tighten the strap.

    5. Remove the right side spark plug wires from the spark plugs.
    6. Remove the plug wires from the retaining clip.
    7. Remove the spark wires from the ignition coils.
    8. Remove the plug wire assembly from the engine.
      NOTE If you are replacing the spark plug wires, the spark plug wire conduit and retaining clips should be transferred to the replacement wires.

    To install:
    1. Install the right side plug wires to the ignition coils and then the spark plugs.
    2. Install the spark plug wires to the retaining clip.
    3. Rotate the engine back to the original position.
    4. Install the left side spark plug wires to the ignition coils and then to the spark plugs.
    5. Install the spark plug wires to the retaining clips.

    3.9L Engine
    1. Before servicing the vehicle, refer to the Precautions Section.
    2. Remove the intake manifold cover.
    3. Remove the left side spark plug wires as follows:
      1. Disconnect the left side spark plug wires from the spark plugs.
      2. Disconnect the left side spark plug wires from the ignition coil.
      3. Remove the left side spark plug wire clips from the intake manifold and heater inlet and outlet pipe.
      4. Remove the left side spark plug wire assembly.

    4. If removing the right side spark plug wires, the engine must be rotated for access as follows:
      1. Set the parking brake.
      2. Shift the transaxle into neutral.
      3. Remove the engine mount strut bolts. Swing the engine mount struts aside.
      4. Install the Engine Tilt Strap J-41131.
      5. Pull on the engine in order to rotate the engine forward.
      6. Tighten the strap.

    5. After rotating the engine, remove the right side spark plug wires as follows:
      1. Disconnect the right side spark plug wires from the spark plugs and ignition coil.

    6. Remove the right side spark plug wire clip from the ignition coil bracket.
    7. Remove the right side spark plug wire assembly.

    To install:
    1. Install the spark plug wire assembly.
    2. Install the right side spark plug wire clip at the ignition coil bracket.
    3. Connect the plug wires to the ignition coil and spark plugs.
    4. If the engine was rotated for access, return the engine to the original position.
    5. The remainder of the installation is the reverse order of removal.

    Feb 05, 2011 | 2000 Pontiac Montana

    1 Answer

    How to change spark plugs in 2.5 misubishi in a 1998 sebring


    Remove boot to spark plug using a boot puller. Unscrew spark plugs using a spark plug socket, extension, and ratchet.
    Do them one at a time to avoid confusion. Installation is the reverse of the removal.
    --- FIRING ORDERS NOTE: To avoid confusion, remove and tag the spark plug wires one at a time, for replacement. If a distributor is not keyed for installation with only one orientation, it could have been removed previously and rewired. The resultant wiring would hold the correct firing order, but could change the relative placement of the plug towers in relation to the engine. For this reason, it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes in your book to reflect how your engine is wired. Fig. 1: 2.0L and 2.4L Engines Firing Order: 1-3-4-2 Distributorless Ignition System 90902g01.gif
    Fig. 2: 2.5L Engine Firing Order: 1-2-3-4-5-6 Distributor Rotation: Counterclockwise 90902g02.gif
    prev.gif next.gif

    Jul 19, 2010 | 1998 Mitsubishi Galant

    2 Answers

    Location of spark plugs


    ARE YOU JOKEING???????LOOK IN THE ENGINE ,,YOU WILL SEE MABY 6 OR 4 ,,,WIRES,,,,,, DEPENDS ON TYPE OF CAR YOU HAVE,,,AT ONE SIDE OF EACH WIRE THERE WILL BE A SPARK PLUG,,MAKE SURE YOU ONLY DO ONE WIRE AT A TIME ,,CANT BE MIXED UP ,,THEY HAVE TO BE PUT BACK THE SAME WAY,,,VERY EASY TO DO THIS TRY IT,,,

    Jun 18, 2010 | 2001 Oldsmobile Alero

    1 Answer

    I need the diagram to put the spark plug cables


    2003 Chevrolet Malibu 3.1L SFI OHV 6cyl
    Spark Plug Wires - Removal & Installation

    3.5L Engine
    1. Before servicing the vehicle, refer to the Precautions Section.
      NOTE Twist the spark plug boot one-half turn in order to release the boot. Pull on the spark plug boot only. Do not pull on the spark plug wire or the wire could be damaged.
    2. Remove the intake manifold cover, if required.
    3. Disconnect the left side spark plug wires from the spark plugs.
    4. Disconnect the left side spark plug wires from the ignition coil.
    5. Remove the spark plug wire clips from the Manifold Absolute Pressure (MAP) sensor bracket and the heater inlet and outlet pipe tab.
    6. Remove the spark plug wire assembly.
    7. If replacing only one plug wire, open the retaining clips and remove the appropriate spark plug wire.
    8. Disconnect the right side spark plug wires from the spark plugs.
    9. Disconnect the right side spark plugs from the ignition coils.
    10. Remove the spark plug wire assembly.
    11. If replacing only one plug wire, open the retaining clip and remove the appropriate spark plug wire.
    To install:
    1. Install the spark plug wire assembly.
    2. Connect the right side spark plugs to the ignition coils.
    3. Connect the right side spark plug wires to the spark plugs.
    4. If replacing only one plug wire, open the retaining clip and install the appropriate spark plug wire.
    5. Install the spark plug wire assembly.
    6. Connect the left side spark plug wires to the spark plugs.
    7. Connect the left side spark plug wires to the ignition coil.
    8. Install the spark plug wire clips to the MAP sensor bracket and the heater inlet and outlet pipe tab.
    9. If replacing only one plug wire, open the retaining clips and install the appropriate spark plug wire.
    10. Install the intake manifold cover, if required.

    Fig. 2.2L Engine Firing Order: 1-3-4-2 Distributorless ignition system
    74d742b.jpg


    Fig. 3.1L Engine Firing order: 1-2-3-4-5-6 Distributorless ignition system
    306b531.jpg


    Fig. 3.5L Engine Firing order: 1-2-3-4-5-6 Distributorless ignition system
    9313fa7.jpg


    Fig. 2.4L Engine Firing order: 1-3-4-2 Distributorless ignition system
    2c9af72.jpg


    Fig. 3.1L Engine Firing order: 1-2-3-4-5-6 Distributorless ignition system
    d929c16.jpg


    Fig. 2.2L Engine Firing Order: 1-3-4-2 Distributorless ignition system
    f357cd3.jpg

    Fig. 3.5L & 3.9L Engines Firing order: 1-2-3-4-5-6 Distributorless ignition system
    09e9db9.jpg

    I really hope help you with this (remember rated this help) Good luck.

    Sep 23, 2009 | 2003 Chevrolet Malibu

    1 Answer

    Spark plug wiring diagram


    3.9L V6 Engine. Engine Firing Order: 1-6-5-4-3-2. Distributor Rotation: Clockwise.............did i guess the right motor? let me know/rate me

    Jan 14, 2009 | 1991 Dodge Dakota

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