brettp's latest activity

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    brettp replied to the thread High speed oscillation.
    To be honest, I've never changed them. My advice would be torque to spec (whatever it is).a quarter turn back seems like a lot to me.
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    Best to use an ignition powered wire in a power block. Or go off the battery with a relay that uses ignition power as the signal wire.
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    brettp replied to the thread 4 into 4 exhaust for RC01.
    Beautiful set up
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    brettp replied to the thread 4 into 4 exhaust for RC01.
    I would second that idea. I'm not sure about this, but I would think the 900 cylinder heads are bigger than the 750, and for that...
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    brettp replied to the thread 80F fuel line.
    As long as any air in the line can travel back to the tank, you're fine. But I would shorten it. I put a similar filter on my 81 750...
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    brettp replied to the thread High idle???.
    Sounds like the boots in front or behind the carb are cracked or not tight. When this happens, the air gets in and creates a high idle...
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    brettp replied to the thread High speed oscillation.
    Check your steering bearings in the neck of the frame.
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    brettp replied to the thread 81 dohc coil/ignition upgrades.
    The rubber plugs go in a port on the carb, inside the bowl. Likely contributing to your issue. You need to fix that anyway, so just go...
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    brettp replied to the thread heavy clutch pull.
    I also forgot to ask: are you using stock bars with stock cable lengths? A lot of people get shorter bars but use the same cable and...
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    brettp replied to the thread heavy clutch pull.
    Check the part of the clutch housing the cable attaches to, make sure that pivots easily.
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    brettp replied to the thread 92 nighthawk mods?.
    Ah, then you likely have a spark issue.
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    brettp replied to the thread 92 nighthawk mods?.
    You did a number on that air box. The way you describe it at high speed tells me it is lean at the top end. Your plugs say rich. It...
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    brettp replied to the thread 92 nighthawk mods?.
    Sounds like you either don't have spark on the black plugs, or the jetting is so rich the bike bogs. Oh, and that screw can be...
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    brettp replied to the thread Cuts out when put into gear.
    How about continuity from the wires of the switch to their ends?
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    Is your bike charging according to spec? Can you find a way to check the charging system at the time it usually dies? I ask because...
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    brettp replied to the thread Cuts out when put into gear.
    When you checked the switch, did you verify continuity when it was depressed?
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    brettp replied to the thread Help with identifying 2 items.
    Oil hoses to the oil tank
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    brettp replied to the thread 92 nighthawk mods?.
    Yeah, that's running rich, alright.
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    brettp replied to the thread 4into4 cb750.
    All those 4 into 4 are pushing 50 years old and they rot and rust when stored outside, etc. If i had to guess, of all the CB750s I've...
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