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Total Noob GS460 Question

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  • Total Noob GS460 Question

    Hello all, first time messing with a GoPed. I got the motor running great (GP460) when on the bench and no load. As soon as I get on the GoPed it bogs down and has no power. I assume it's not getting full compression under load. Is this the rings? Or could it be something else? I was given this project and I'm thinking about replacing the motor or buy a big bore kit, but not sure.

    Any advice would be great! Thanks

  • #2
    There are no big bore kits available for a 460, it’s most likely an air fuel mixture, look up what the stock carb settings are.
    *******Pedding since '02********

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    • #3
      Originally posted by dsport View Post
      There are no big bore kits available for a 460, it’s most likely an air fuel mixture, look up what the stock carb settings are.
      Oh, OK, like I said Noob here. I found a post on that here, I'll make those adjustments. Looks like someone has been in this motor before me, anything I should be looking for that may not have gone back together correctly? I hope you are right and it's just an adjustment.

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      • #4
        Sounds like you just need a carb adjustment. Look up how to tune these carbs. There should be a how to bouncing around the forums, and I think that there is a youtube video as well. Tuning these can be tricky, so don't be surprised if it takes a bit to figure out.
        Instagram: @base_cat

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        • #5
          Originally posted by Basement Cat View Post
          Sounds like you just need a carb adjustment. Look up how to tune these carbs. There should be a how to bouncing around the forums, and I think that there is a youtube video as well. Tuning these can be tricky, so don't be surprised if it takes a bit to figure out.
          I don't think the carb has adjustment screws...I'll look at it when I get home. I remember thinking that was odd when I was playing with it a few months ago.

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          • #6
            Yep, my carburetor has no adjustment screws. I think I'll start with buying a carb that is adjustable.

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            • #7
              Originally posted by LouisvilleFan View Post
              Yep, my carburetor has no adjustment screws. I think I'll start with buying a carb that is adjustable.
              Pictures?
              *******Pedding since '02********

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              • #8
                Originally posted by dsport View Post

                Pictures?
                I'll take some tonight when I get home. i should have thought of that!

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                • #9
                  I found this one online that looks like the one i have...

                  Comment


                  • #10
                    How do the crank seals look?

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                    • #11
                      Originally posted by ChevySS06 View Post
                      How do the crank seals look?
                      Would I have to remove the clutch and distributor to see those?

                      Comment


                      • #12
                        Yea. I thought you had the motor completely broken down already. I work on these G23lh motors on the regular and I know a big issue with those is that the crank seals start going bad so when it’s under a load, it’s sucking in air through the crank seals. But as soon as you take your weight off the thing there’s not enough suction inside the motor to suck in air through the seals.. so (I’ve found) you could sit there and play with the carb or the fuel mixture until you wanna throw the damn thing away and it’s been the seals leaking air the whole time. You’ve probably heard it before.. but it always boils down to three things. Air, fuel, & spark.

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                        • #13
                          Ok y’all. I’m a total dumb *** I was going off of memory because the GoPed was in storage. I was totally wrong on my motor. It’s a GZ25N23. Non adjustable carb. I can fire it up and runs great. I found the low speed screw on top under the plastic cap but there’s no high end screw. If I give it partial throttle it goes a little but once I go past that it bogs and dies. If I free wheel it on the bench it revs just fine.
                          Attached Files

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                          • #15
                            You need a new carb, or do the hp carb posted in the how to section. Those geo carbs tend to go bad in the way you discussed. And rebuild kits are a complete waste of money because the problem is the internal jets which have nothing to do with the components supplied in a rebuild kit.
                            *******Pedding since '02********

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