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Newbie to go peds

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  • Newbie to go peds

    Scored two gopeds from garage sale for $40 didn’t run. I believe they r sports on the motor it had the numbers GZ25N23. I replaced fuel lines cleaned up carbs new intake hoses they were all cracked up. Also new spark plugs Mixed fuel 40-1 and they started Right up. My question is one of them is faster you can feel how it revs up and goes. I notice when I start the faster one if I raise the back wheel it starts to spin, on the slower one when I lift the rear wheel doesn’t spin at all. ( could the clutch be going on the slower one? Would clutch cause performance issue? Trying to figure out for my kids as you can imagine they both run for the fast one. Hahahahaha. Any help would be greatly appreciated.

  • #2
    Clutch springs could be worn out or have different tension ratings. Some springs will release at lower rpm which would give you the wheel spin at idle unless your idle is just too high. Pull the clutch and check the springs. If the motors and gearing are the same you shouldn't be having much of a speed/rpm difference. Maybe re-tune your carbs if they are tunable, some just have an idle/low jet especially for your type of motor.

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    • #3
      Thanks, I’m gonna check clutch on slower ped. Would bad clutch springs affect speed ? The carb can’t be tuned only has idle screw. I cleaned carb but it was really funky. Maybe I’ll buy new carb first and see how that works. Would you know what carb I need for those peds? And where to purchase
      thanks

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      • #4
        Originally posted by Jblaah89 View Post
        Thanks, I’m gonna check clutch on slower ped. Would bad clutch springs affect speed ? The carb can’t be tuned only has idle screw. I cleaned carb but it was really funky. Maybe I’ll buy new carb first and see how that works. Would you know what carb I need for those peds? And where to purchase
        thanks
        If the motors are gzn I'm 99% sure that means they are Geo motors which require specific carbs. Definitely not tuneable. There may be high performance carb options for these but I don't think so. Clutch springs will not affect speed, only the rpms at which the clutch engages and disengages. Tighter springs = higher RPM engagement. Meaning that the motor will need more throttle before it takes off and will most likely accelerate faster. Looser springs is the opposite. Top speed will be the same.
        Check out davesmotors.com they have everything you could ever need. Your clutch is a 54mm with 2 springs.

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        • #5
          I got a few parts from Rusty at Goped.com also. Dave’s was out of a couple things I needed for my GSR25. Are they geared the same? That makes a difference as well.

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