A while back, I came off my scooter and damaged the front-fork. I got the fork replaced at the store where I bought it, but ever since there has been a fair amount of float / movement in the steering stem (and no, it is not movement in the folding/locking mechanism as so many YouTube videos indicate).

I finally disassembled it today to investigate, and discovered that the front fork is floating in the steering bearings. The front fork stem diameter is 28.8mm and the steering bearings inner diameter is 30.3mm. So the whole front fork is rattling around inside the steering bearings.

It seems to me that either the shop has installed the wrong fork, or that there is a ring (or similar) missing. Either I need to replace the fork with one with a slightly larger diameter, or the steering bearings need replacing with something of slight smaller diameter, or there is some sort of sleeve that needs to sit over the fork shaft inside the bearing.

Does anyone have any experience with the front-fork / steering bearing repairs on a Ninebot Max G30P? And can confirm what the correct dimensions should be of the front-fork stem and inner steering bearings?

  • NotForTheOtherUse@aussie.zoneOPEnglish
    2·
    3 years ago

    Thanks. I have found a disassembly video and diagram. But I’m just still a bit doubtful due to slight variations in the model number between mine and the guide/video (g30 vs g30p).

    I ended up ordering a new bearing (not too expensive). So we’ll see what arrives.

    It doesn’t look easy to replace the bearing, so I’m hoping I can just add the part that is missing.