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  1. F

    Quick question to all the experienced mechanics on here please..?

    I see you have yours a little different having the wire tabs separate but still on same threaded bolt , my wire tabs are together, you think it will matter...?
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    Quick question to all the experienced mechanics on here please..?

    Actually got new coils on the way OEM Honda coils but I saved old condensers and points cause they were original Japanese made and probably better quality im sure
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    Can anyone please tell me if the way these condensers are wired , if it's correct..?

    This is the way it was brought to me and was running, I have spark advancer removed so please ignore that put I put double fibrous washer so when terminal ends are tight they won't bite down into ground, can anyone please tell me if this is correct. 1975 Honda CB 750k , removed advancer cause a...
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    Quick question to all the experienced mechanics on here please..?

    Some times or actually a lot of times , your 50 year old part works better than the new China junk most definitely
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    Quick question to all the experienced mechanics on here please..?

    I definitely saved the old ones but yes I know exactly what you mean, I experienced that many times
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    Quick question to all the experienced mechanics on here please..?

    I have the spark advancer gone in these pics , but does this look like the proper way to wire these condensers in ..? I doubled up the fibrous washer so that when tightened down really tight it couldn't dig into ground in anyway on the bracket. Does this look correct anyone please...? This is...
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    Quick question to all the experienced mechanics on here please..?

    The piece must have been chewed up long long time ago , didn't find any pieces , this is a customer's bike , I had it running great after valve adjustment, carb cleaning, oil change and the guy had resistor NGK plugs in it , I changed to the recommended non resistor NGKs and it ran perfectly no...
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    Quick question to all the experienced mechanics on here please..?

    Very very light spark and very intermittent, timing light will not even pick it up
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    Quick question to all the experienced mechanics on here please..?

    Had to retard my timing so much that I had ran out of slot on the timing plate just to get it hitting on the F mark statically timing it , I knew this couldn't be right so I pulled the plate off and found the advancer had a broken ear that goes into the advancing cam , this is just another issue...
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    Quick question to all the experienced mechanics on here please..?

    Yes my timing light will not even pick up the firing from the right side coil , tested my light on a vehicle just to make sure it was working properly and it is , I get flashing from left coil but no flashing on right side , points gap are new and gaped properly and also new condensers
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    Quick question to all the experienced mechanics on here please..?

    How often is it that an ignition coil bench test on the primary side and secondary side fine as far as resistance in ohms but actually turn out to be bad after all , how likely does that happen..? 1975 Honda cb750 has new points and condensers but when hooking up a timing light the left side...
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    Can anyone tell me what this is exactly, not sure , don't work on many 70's bike . 1975 Honda cb750 k

    Do these need servicing or only replacing , never seen these older type , only use to the ones that have fins and solid housing
  13. F

    Guys please help 1975 Honda cb750k here fixed for a customer and after sitting overnight it lost spark .

    Yes I went ahead and ordered new points and condensers just to be safe
  14. F

    Guys please help 1975 Honda cb750k here fixed for a customer and after sitting overnight it lost spark .

    Update update, got it all back together after giving the coils a good bare metal contact and the plug spark can jump a 3' gap..lol . Now just gotta install the new points and put in better time .
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    Guys please help 1975 Honda cb750k here fixed for a customer and after sitting overnight it lost spark .

    I even just now separated the kill switch housing and layed it back on or over the handle bar just to make sure , and still nothing
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    Guys please help 1975 Honda cb750k here fixed for a customer and after sitting overnight it lost spark .

    No it's in the run position, and I'm getting 12v to primary side of coils , I just grinded down to bare shiny metal and hooked back up still no visible spark
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    Guys please help 1975 Honda cb750k here fixed for a customer and after sitting overnight it lost spark .

    Just didn't make since the likely hood of both condenser crapping out after sitting and coil has 12v on black and white wire but not putting out anything, coil on primary side shows 5. 0hms on the secondary shows 25k to 26k ohms with plug caps , shows about 15k ohms with plug caps removed and...
  18. F

    Guys please help 1975 Honda cb750k here fixed for a customer and after sitting overnight it lost spark .

    It was very very weak , now I can't see spark at all , no visible spark
  19. F

    Guys please help 1975 Honda cb750k here fixed for a customer and after sitting overnight it lost spark .

    All plugs are new NGK non resistor, and recommended plugs and like I said ran perfectly night before last , I'm not seeing any skinned wires or broken wires anywhere on the condenser wires or the coils , just need some help guys , I'm pretty good with bikes but was up till 3:30 this morning and...
  20. F

    Guys please help 1975 Honda cb750k here fixed for a customer and after sitting overnight it lost spark .

    I have bench tested the coils , both are in a good ohms rating with caps , I have 12 v going to them with stop switch in run position , points and condensers were all working day before, ran great, parked the bike and next night went to crank it , it sputtered and ran like crap , now has pretty...
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