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  1. #1
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    Stripping Spur 24/7

    Hi Guys,
    I have recently purchased a rustler 4x4 vxl, but I have gone through 4 spur gears! I go through 1 in 10 min. I have ran the stock mounting plate, as well as tried setting it manually. The screw is very tight, and im not landing on the throttle. I'm stuck, if anyone knows what is going on please let me know. Thanks in advance.

  2. #2
    RC Turnbuckle Jr. Dcuda69's Avatar
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    Tell us a bit more. Is this a new or used truck? Exactly how are you setting gear mesh? Things I would look at: motor mount(plastic?)/bearing, slipper adapter/bearing(plastic?), slipper adjustment(too loose will melt spurs). Throw us a tick more info and we should be able to help ya out.
    Slash 4x4 Ult 2150kv
    Rustler vxl
    Ford GT vxl

  3. #3
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    Quote Originally Posted by Dcuda69 View Post
    Tell us a bit more. Is this a new or used truck? Exactly how are you setting gear mesh? Things I would look at: motor mount(plastic?)/bearing, slipper adapter/bearing(plastic?), slipper adjustment(too loose will melt spurs). Throw us a tick more info and we should be able to help ya out.
    I purchased the truck new, I have tried setting gear mesh with the adapter plate provided from stock, also without with a bit of paper. The slipper only slipps a little bit on tarmac. I have ordered a metal bearing plate, but the old one doesn't look to bad. Should I try a metal gear?
    Thanks

  4. #4
    Marshal Double G's Avatar
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    No, a metal spur is a band-aid to other issues and you'll need to get a hardened pinion. For some reason the pinion and spur are not maintaining that mesh and it could be due to a broken motor mount, bent motor plate or even the bearing adapter is worn.

    A properly set mesh and slipper adjustment will provide years of use. I'm still on the original spur on my nitro .21TM Revo that I built in 2009. My son's Castle-equipped Slash (going on five years) has never stripped one either.
    The Super Derecho

  5. #5
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    For some reason the pinion and spur are not maintaining that mesh and it could be due to a broken motor mount, bent motor plate or even the bearing adapter is worn.

    Oh ok, I never even considered that. I will have a thorough look. Thanks for your help mate!

  6. #6
    RC Champion
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    Yep if you are going through spur gears there is definitely an issue. As said check motor mount, bearings, and related parts. I will also add that I have had the same spur gear on both my summit and slash 4x4 since they were new out of the box. Plastic is definitely a much safer and cheaper part to replace then to damage other parts down the drive line. Take your time and check everything very closely. There has to be something causing this.

  7. #7
    RC Turnbuckle Jr. Dcuda69's Avatar
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    Sorry I'm late getting back here but it looks like these guys got ya taken care of(they're good like that....lol) Like they said,start pulling it apart and inspect the motor mount,slipper,slipper bearing adapter,etc. Something has to be moving to allow mesh to change and tear the gear up. I also have a 54t spur that has been on my Slash since new and it still looks like new.I did upgrade that truck to a King Headz mount very early in its life though. Good luck and post back with your findings!!
    Slash 4x4 Ult 2150kv
    Rustler vxl
    Ford GT vxl

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