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  1. M

    Help yx 150 won't rev up backfiring

    UPDATE Put in that electric kit from tbolt and man this F'er rips!!!!!! Problem solved!!!
  2. M

    Help yx 150 won't rev up backfiring

    He bought it off ebay so I'm sure it was the cheapest one he could find I think i am going to order this full system just to get it over with so I don't have more issues in the future and I know exactly what in dealing with .TRC Outer Rotor IgnitionUltimate Full System - Pit Bike Engine Parts...
  3. M

    Help yx 150 won't rev up backfiring

    About 50 degrees here in minnesota
  4. M

    Help yx 150 won't rev up backfiring

    So do I need a new stator/source coil?
  5. M

    Help yx 150 won't rev up backfiring

    Ok out testing electronics so far and here's what I have come up with Checked stator- set @ 2000ohms. Blue/white wire and green a checked at 97.7 ohms Source coil-set @ 2000 ohms. Black/red wire and green checked at 338 ohms Primary coil windings- set @200 ohms black/yellow + wire/terminal...
  6. M

    Help yx 150 won't rev up backfiring

    This is what I'll be doing.... STATOR: (Once you have the ignition cover off) Visual test: Inspect the coil bar , if you see any bulges or discoloration its likley worn out Voltage Meter will be set on AC for testing output The stator should have 80-100VAC (usually black/red) Set meter to...
  7. M

    Help yx 150 won't rev up backfiring

    Thanks I have a buddy with a pitster, idk what carb he has in it but I'm going to rob it off his bike and give it a try. I'll be testing my whole electrical system tonight with multimeter is there anything inpetticular I should look for?
  8. M

    Help yx 150 won't rev up backfiring

    Right. Do u know where to buy parts for this carb?
  9. M

    Help yx 150 won't rev up backfiring

    Leaking out top vent but mostly leaking through the hole on the inside face of the carb that leads to float needle Yes I can see light through it it is clean as can be. The reason I'm considering getting a mikuni Is I can't find parts for this carb I cannot re drill the rubber on the float...
  10. M

    Help yx 150 won't rev up backfiring

    Yes I took everything apart blew every hole with compressed air and I used gauge pins from my work to stick in jets that fit perfect. I looked at them through a microscope too and they are plenty clean. Maybe I should put new jets in it? I need a new float needle anyway because it keeps pissin...
  11. M

    Help yx 150 won't rev up backfiring

    Mikuni VM 26mm Carb VM26-606 - Pit Bike Engine Parts - CARBS and JETS - TBW0399 - TBolt USA, LLC And this carb
  12. M

    Help yx 150 won't rev up backfiring

    .TRC Outer Rotor IgnitionUltimate Full System - Pit Bike Engine Parts - Electrical - TRC-0650 - TBolt USA, LLC Should I just say f it and order this lol
  13. M

    Help yx 150 won't rev up backfiring

    Once I get soark again and if it doesn't rev I will try pulling the head. The bike ran fine before the kid put new wiring system in it but it's been siting for a year. Got it pretty cheap was just hoping it would be a simple fix lol but it turned into a mess
  14. M

    Help yx 150 won't rev up backfiring

    I can pick up a multimeter tomarow to test it. Also I checked the pickup clearance to the nob on the flywheel and it is very close but not touching. I'm debating in just buying a whole new wiring kit for this and a new mikuni carb. I might save myself some headaches but then again I might...
  15. M

    Help yx 150 won't rev up backfiring

    So when I bought the bike from my buddy he told me he just put in new outer rotor full kit with flywheel and new CDI. He never got it to run right after that. He told me it was a liftan kit off ebay. I went through all his wiring and I am sure it's right. The bikes only dirty from trying to...
  16. M

    Help yx 150 won't rev up backfiring

    Now I can't even get it started plug out kicking it by hand and I see no sparky :(
  17. M

    YX150 oil filter/s question...

    Case looks like the bottom pic
  18. M

    Help yx 150 won't rev up backfiring

    1/4 turn throttle it spitts sputters and bogs. Won't rev up at all past 1/4 turn even slowly.
  19. M

    Help yx 150 won't rev up backfiring

    Believe it or not I just took bike for a ride and it doesn't seem any better at all! Here's a pic of my plug man this things getting on my nerves Thank you for any help u can give me
  20. M

    Help yx 150 won't rev up backfiring

    Got it all together put gas line on and now it's pissin out gas. Took it apart and cleaned float needle about 7 times lol the rubber on the tip of the needle looks a little worn and deformed in going to try to find a new one just not sure where to get parts for this carb
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