Recent content by Jersey Jimbo

  1. J

    Yahana 200hp txrr stumbles at idle

    I miss understood what syncing the carbs were. It was explained to me after I told the tech I know what I did. He told me about loosening up the screws put rod on and secure screws that hold the linkage plates. The screws are real tight so after I take it out for the season I will work on it I...
  2. J

    Yahana 200hp txrr stumbles at idle

    Reed valves were good. started look at all settings, linkages, fuel system, I got it to stop when I was making each carb run rich by covering the air horn (carb intake) the top carb when done the lean pop stopped. I rechecked the float level, and o rings were in place properly. I noticed then...
  3. J

    Yahana 200hp txrr stumbles at idle

    Thanks for that info will have to check into them. He told me to replace them all just so I don’t have to do it again. He said to just do the reeds not the whole housing they should be good still.
  4. J

    Yahana 200hp txrr stumbles at idle

    spoke with a Yamaha tech in my area and he told me when 2 strokes get older the reed valves get weak, he explained to me a how to check them and it turns out one is bad, does not suck in on one side of the carb, he said this is common on older engines. Now should I replace all of them or just...
  5. J

    Yahana 200hp txrr stumbles at idle

    Got the carbs rebuilt, set them up per manual, this is crazy still does the same thing, definitely was not the carbs. It feels like it shuts off momentarily and it is random, om;y at idle and low rpm's, cannot feel it when cruising. some people say it can be the CDI unit is there a way to check...
  6. J

    Yahana 200hp txrr stumbles at idle

    yes with air agitating to clean out the passages my friend has a machine shop and told me no problem to clean them there he uses the machine to clean up cylinder heads and manifolds thanks for thay info, his machine will do a good job on them.
  7. J

    Yahana 200hp txrr stumbles at idle

    ok then I will get me 3 carb overhaul kits, soak them in a carb cleaning solution and reassemble them that's not a problem. by the way I was a certified master tech with GM for over 45years. I will try the carb overhaul, will use my friends cleaning tank but my gut tells me it is an electrical...
  8. J

    Yahana 200hp txrr stumbles at idle

    also when the stumble happens it will give me a puff of smoke when it happens feels more like the ignition is cutting out for a second
  9. J

    Yahana 200hp txrr stumbles at idle

    Did not take them off removed the drain plugs 2 on each carb cleaned out the float area with gum out, took the 2 jets in front of the carbs and cleaned them out.
  10. J

    Yahana 200hp txrr stumbles at idle

    compression is good 115-120 on all cytlinders
  11. J

    Yahana 200hp txrr stumbles at idle

    The outboard stumbles or intermittently cuts out does not stall. feels like an engine miss. I changed the spark plugs, cleaned out all the carbs, replace fuel filters, Fuel is fresh and clean. Verified spark with spark tester, any and all help will be appreciated thank you
See more
Top