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  1. Replies
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    188

    Your link came up with 50 images and...

    Your link came up with 50 images and unfortunately I will not be here to weed through them as I have just elected to leave this site.

    Luck.
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    6,200

    You have to use english in the right way. You...

    You have to use english in the right way. You said 'I heard...' rather than 'Can you do this?'. If you heard then why would you be asking the exact same thing again???

    '.... is separate from the...
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    650

    Remove a fuel bowl and the rubber plug and look...

    Remove a fuel bowl and the rubber plug and look at slow (pilot) jet, if no screwdriver slot then '80 and earlier, if it has screwdriver slot then '81 and later, the jet unscrews. The early ones are...
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    118

    Trying to remember what locates the grease...

    Trying to remember what locates the grease washer, it may locate on a step in the stem OD. You actually could likely make one up out of thin metal plate or a big washer.

    You actually can simply...
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    You are not showing all the wiring there, there...

    You are not showing all the wiring there, there are TWO battery leads going to the solenoid, it cannot work starter otherwise. One small one switches it on and off, the other is the huge big battery...
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    118

    Partzilla.com shows the locking one to still be...

    Partzilla.com shows the locking one to still be available here USA. Use '83 CB750SC (Nighthawk) as the bike type, the only 750 sold here in '83.

    David Silver spares should be able to get it.
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    188

    Leaning toward battery, you only have 150 amp cap...

    Leaning toward battery, you only have 150 amp cap on a 110 amp current. Most batteries you pick double the starting current to easily cover it. Look at cars, 500 amp battery minimum to cover up to...
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    122

    PartsNMore are Chinese parts and likely the...

    PartsNMore are Chinese parts and likely the others too. Unless they specifically say they are not. I have used them but the needle tips are what bite, ethanol swells them and they also stick from...
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    Pic the damage. Likely part of carb body and no...

    Pic the damage. Likely part of carb body and no part other than new carb..
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    6,200

    The vacuum unit on a DOHC is separate from the...

    The vacuum unit on a DOHC is separate from the petcock and often mounted on the other side. It has a vacuum hose going to the #2 carb from the left sitting on bike.
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    Randakk's if they still do them or Mike Nixon at...

    Randakk's if they still do them or Mike Nixon at the Motorcycle Project website but both are expensive. To get fine quality float needles instead of the Chinese crap stuff. If they put ethanol in...
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    395

    What were the compression numbers? And having...

    What were the compression numbers?

    And having to set different idle mixtures for different cylinders is proof of needle seat damage from overtightening closed or idle fuel feed circuits are still...
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    180

    The clutch diode prevents conflict between the...

    The clutch diode prevents conflict between the neutral light and the clutch handle starter safety switch. Not being there power can go backwards from neutral into the clutch switch in a direct short....
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    395

    The ONLY thing that causes idle hang is vacuum...

    The ONLY thing that causes idle hang is vacuum leak, ort cracks in rubber manifolds, or sticking throttle or sync with the carbs ending too high at butterfly slightly open. Lean and rich will NOT do...
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    180

    Neutral circuit (clutch diode) is green/red. ...

    Neutral circuit (clutch diode) is green/red.
    Power to ignition switch red.
    Charging output from regulator to battery is red/white.
    starter circuit is red/yellow.

    You have to positively change...
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    686

    FYI Euro models do not have accelerator pump as...

    FYI Euro models do not have accelerator pump as they have a slightly richer idle/off idle setting than US ones do. US ones also had idle limiter caps to stop people from adjusting the idle mixture....
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    999

    If the OEM part they leak because a crap tar...

    If the OEM part they leak because a crap tar compound that melts at 100 degrees was used to seal them. Typically it drips off to leak on things and typically the box stays OK because the tar even in...
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    395

    Normal idle speed is around 1000-1100 rpm....

    Normal idle speed is around 1000-1100 rpm. Syncing commonly causes carb idle to hang high at throttle closing if synced with all 4 too far open. The cure is backing off throttle speed screw but then...
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    The inline 4 bikes just run lean in those years,...

    The inline 4 bikes just run lean in those years, counting the entire later DOHC pack of '84-'86 550, 650 and 700 I can't say I've seen 10 of them total since they were made except when I walked into...
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    292

    The 550 engine looks closest but the stroke is a...

    The 550 engine looks closest but the stroke is a lot shorter making the cylinder block shorter too. That makes the exhaust pipe shorter in the vertical run to likely hit bottom of engine with no...
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    292

    Got a '77 CB550 and same as 500 and no way does...

    Got a '77 CB550 and same as 500 and no way does it fit. And virtually all Honda DOHC change pipe systems, they hardly interchange at all other than the 750-1100 early ones.

    There was a DOHC 550...
  22. The numbers may be real. Getting the same twice...

    The numbers may be real. Getting the same twice reinforces that.

    Common to be off either way easily .0125 mm. or a half thou. it's often there for the finding when you button things up to check.
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    https://boldorclub.nl/wordpress/wp-content/uploads...

    https://boldorclub.nl/wordpress/wp-content/uploads/2015/01/honda_carb_manual_revf.pdf

    Partzilla.com
  24. Part of that work is heavily skills based. Why...

    Part of that work is heavily skills based. Why you measure the big metal journals too, to add emphasis on which way you are going. With spaces that small even dust on bearings or oil can foul the...
  25. Thread: Gas Tank Swap

    by amc49
    Replies
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    225

    You can't simply swap tanks around, the fitment...

    You can't simply swap tanks around, the fitment can be different on each and often the side covers or seat fronts will not fit with a non-OEM tank.

    The frames are pretty close to the same until...
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