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    After a good nights sleep and clear mind this...

    After a good nights sleep and clear mind this morning, I checked the choke cable to ensure it wasn't engaging the choke when choke was not required which was ok but I loosened it off just a touch in...
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    Hi there, I assume you get +12v on the black...

    Hi there,
    I assume you get +12v on the black wires when the ignition is on? If so, that's a start but to get "power to the coil" the other wires (blue and yellow) supply a ground pulse signal via...
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    Engine not running right

    Thanks for the info. Carbs off again, slides seem to be moving smoothly and not binding despite the minor scratches on the small diameter section. Anyhow I lightly sanded smooth with 800, 1200, 2000...
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    Have you checked the coils are connected to the...

    Have you checked the coils are connected to the correct cdi igniter modules?


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    Before removing the carbs again, I'll double...

    Before removing the carbs again, I'll double check the aircut covers for leaks.
    I'll check the slides and observe the drop rate and travel. If it does need sanding, you're referring to the part of...
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    Thanks AMC. Checked idle jets were clean,...

    Thanks AMC.
    Checked idle jets were clean, sprayed the crap out of the passages as per the manual blocking the holes and watching it come out the pilot screw holes. Did this with carb cleaner and...
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    Thanks AMC, much appreciated. The wire used to...

    Thanks AMC, much appreciated.
    The wire used to clean out the idle jets was around .3mm roughly converts to .013". Leaving the idle speed screw where it was, I pulled the carbs out last night, and...
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    Engine not running right

    Ok, pulled the coils, checked primary and secondary winding resistance comparing to the old set, checked leads. re terminated the coil ends as I wasnít happy with the fit into the coils. Double...
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    Yes throttles wide open, have done several runs,...

    Yes throttles wide open, have done several runs, same results on a cold and warm engine. I'll definitely have to borrow a known good gauge at some point to verify the compression numbers, however...
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    Thanks amc. I'll do the carb balance and report...

    Thanks amc.
    I'll do the carb balance and report back.
    The carbs were taken completely apart and the aircuts were also bypassed.
    What can cause the plugs to misfire?
    Each valve, spring, bucket was...
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    Engine not running right

    Hi all,
    I've got an 82 CB750 that I picked up over a year ago not running and have been slowly rebuilding and converting to a cafe racer. The project is around 85% complete and have had a few...
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    Glad it worked. Not sure if carb cleaner is...

    Glad it worked. Not sure if carb cleaner is harmful to the the plastic floats if left immersed for a long time but you could try wiping them down with the stuff. I know thinners and acetone is often...
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    Try using a heat gun to warm up the rubber boots....

    Try using a heat gun to warm up the rubber boots.


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    Hi there and welcome.
    If itís leaking out the drain tube then it sounds like the bowl drain screw is not doing itís job. There is an oring on it.


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    Thanks again Sent from my iPhone using...

    Thanks again


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    Thanks AMC, does it actually need a tube fitted...

    Thanks AMC, does it actually need a tube fitted to direct the vent away from the carbs or can it vent out straight from the T piece?


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    Carb plastic T piece

    Hi all, Iíve just rebuilt the carbs on the bike Iím putting together and just wanted to know where the tube that comes off the plastic T piece between #2 and #3 is supposed to go please.


    Sent...
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    View Post

    Thank you. Iíve got a build log on Instagram if youíre interested @fiorellogalluzzo


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    This is good info, thank you. Iím doing my forks (82 model) in the next few days.


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    charging/grounding

    Iím not yet up to the electricals on my 80 build but you should be able to simply check this with a multi meter. Check for good ground (as close to zero ohms as possible) between battery negative and...
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    Kerosene should be gentle enough Sent from...

    Kerosene should be gentle enough


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    New over size pistons are much more common but...

    New over size pistons are much more common but you can get new aftermarket standard size pistons like these. If it were me, (Iíve just done a rebuild and had similar questions) I would first have the...
  23. Thread: LED indicators

    by fg1972
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    Hi ,
    I suspect youíll need to install some kind of resistors in the circuit to increase the current consumption for the flasher unit to work correctly as leds will draw much less current than...
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    Hi, might need to break it down to help isolate...

    Hi,
    might need to break it down to help isolate the issue.
    When does the fuse blow? When applying brake or turn signal? can you identify which circuit? remove the load (globes), does it still...
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    Brake master cylinder, rebuild or replace?

    Hello again,
    My front was a bit blocked up with crud but managed to get it free with compressed air up the line and working enough to allow me to remove all the pistons from the calipers. Now that...
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