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Mini Dirt Bikes & Pit Bikes Forum

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  1. jdr.223

    Lifan 125cc jetting after port Job ???

    Hi guys. Just did a moderate port job on my Lifan 125 head. Bike kicked over and idled first kick. Revs up when choke is applied. However, when I attempt to bring the revs up with the throttle, it dies and stalls out. Running a Mikuni 26mm but have an Oko flat slide on the way. I assume my...
  2. B

    reving its guts out

    Hi I've been mucking round latley with my clip position. bike was running fine but now when i do get it started, it absolutely revs its tits off, then when i turn the choke off it dies. I"ve tried the idle screw and it does nothing !! I can screw it all the way in and out and it still...
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