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yokomo mr4 bc ball diffs

yokomo mr4 bc ball diffs

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Old 03-09-2012, 04:10 AM
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Default yokomo mr4 bc ball diffs

I have a yokomo mr4bc and I can not keep the ball diff tight .I have used lock tight on the diff bolts . They stay tight for 3 or 4 min then they get lose . What am I doning wrong? Can any one help
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Old 03-09-2012, 07:02 AM
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I have an older MX4, I would imagine the diffs build similar to it. On the MX4 the diff screw threads into the opposing diff half instead of a lock nut. The diff screws were slightly bent to help keep them from loosening. When I got replacement diff screws from another manufacturer I just used a pair of pliers to bend the screw slightly like the original screws, its been a quite a while, but I don't remember ever having any loosening issue! I would just put a slight bend about 5mm from the end of the screw, medium grade/blue threadlock could help also, but I don't ever remember having to use it.
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Old 03-09-2012, 08:44 AM
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do you have a picture of the diff bolt that you are using? also, did you build a thrust assembly along with the rest of the diff?
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