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  1. M

    Carb question

    Hi, did you ever resolve this? I'm having the exact same issue and gone through everything carb wise.
  2. M

    2003 RX-1 Stumbles Off Idle

    Further testing today but no solution yet... 1) Removed carb bank and applied shop vac to the inlet side and the piston needle diaphragms all raised so those are good. 2) Checked in tank filters and they are clean. Blew from tank outlet by mouth and easily bubbled in the tank. 3) Connected...
  3. M

    2003 RX-1 Stumbles Off Idle

    Do you mean this one? It's the one I bypassed by connecting the harness leads to each other.
  4. M

    2003 RX-1 Stumbles Off Idle

    New thought... TORS connectors are plugged together to bypass but what if one of the tors wires in the harness is broken somewhere. Update... just measured the 2 wires and get 27k ohms so must not be that.
  5. M

    2003 RX-1 Stumbles Off Idle

    I did check with feeler gauges and they seem close. I also have an SX viper so I should get a real tool, just want to get the right one.
  6. M

    2003 RX-1 Stumbles Off Idle

    Yes I need to sync but considering I've never sync'd a multi carb setup, I don't have a tool yet. I've read instructions on the forums and could use some advice on what to buy. Do I need a motion pro or can I get a universal from amazon or ebay like this one: https://a.co/d/jgPdzmN?
  7. M

    2003 RX-1 Stumbles Off Idle

    Today I did this... Removed jets again, sprayed all orifices with carb cleaner and blew through with air gun. Installed stock #135 main jet and set pilot screw to 1.75 out. Pulled vacuum on fuel pump hoses and fuel flowed. Started in the dark to see if coils were arcing and they were not. None...
  8. M

    2003 RX-1 Stumbles Off Idle

    Had a little time today to pull the carbs off and inspect the jets and attached a pic. The main jets are 132.5 which would be correct for my altitude according to the service manual and they are in the correct spot. I counted when I removed the pilot screws originally and they were at 2. The cv...
  9. M

    2003 RX-1 Stumbles Off Idle

    You make a valid point. As much as I think that I removed a jet, cleaned it, then put back one at a time, I could have screwed that up so I definitely need to recheck them. If I indeed swapped the jet named power jet in parts diagram/starter jet in svc manual and main jet that would do it.
  10. M

    2003 RX-1 Stumbles Off Idle

    Each time I remove the bowls the fuel is clean and I've removed the needle seats to see if new junk on the screen and they were clean. That being said, I'm going to check the filters this weekend and smoke the boots for leaks. It's history... Got it from a friend this summer, has 900 miles, had...
  11. M

    2003 RX-1 Stumbles Off Idle

    Yes each one but kept the bank together.
  12. M

    2003 RX-1 Stumbles Off Idle

    I have TORS bypassed. I replaced the needle valve and inlet brass screen as well. I have not removed the in tank filters, good suggestion...
  13. M

    2003 RX-1 Stumbles Off Idle

    Got a 2003 RX-1 that starts right up with choke on, then idles perfectly. When I hit the throttle it stumbles (and will die if pressed). If I put the choke half on, it will rev up so it's definitely a lean issue. I have gone through the carbs multiple times, all jets are clean, new pilot jet...


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