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 Grawn Michigan | Our 863 leaked on the top side of gearbox where the chain drives. Some boxes had enough wear that seals would be a temporary fix at best. We were adding oil to a couple boxes daily. We found some washers to fit over the shaft and used some silicone sealent and pressed washer into it with the drive gear. Then we added part of,a tube of the grease to thicken it up a little. Not really a proper fix but has worked 2 seasons and we only add oil once or twice a week. If you get into replacing gearboxes and shafts it get pricey very fast and used heads we looked at seem to be as bad off as what we have. | |
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