[Big Bob]

  My 2018 U force 800 has a small weep from rear drive shaft coming out of the motor side, dealer said it probably is the bolt in the center of the yoke has slightly loosened. He doesn't think it is the seal. Major job to get at the bolt. anyone seen this one???

[barticus73]

I have same issue.  What is best way to reach the bolt in center of yoke/unjoint connected to motor?

[NMKawierider]

  My 2018 U force 800 has a small weep from rear drive shaft coming out of the motor side, dealer said it probably is the bolt in the center of the yoke has slightly loosened. He doesn't think it is the seal. Major job to get at the bolt. anyone seen this one???

The only other one I heard that has an engine oil lead was the seal. However.. anything is possible with CFM and loose bolts are getting to be their trademark   I do know that getting to that yoke center bolt will require the removal of all between the yoke and probably the rear gear case. Not a lot of room there. Be a tuffy for an old guy like me these days.