Small Engine Troubleshooting Problems? Ask a Mechanic Now.
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The lower bearing is not usually to difficult to replace, the cable should line up with the new bearing fairly easily, you may have to turn the shaft a little bit in order for it to slip together properly. As for lubing the driveshaft, (YES), it does need to be lubed on occasion. In order to do so you will need to remove the housing from the engine. If you will turn the machine over, upside down, and take a look you will see screws coming in from the bottom of the plastic housing. If you want to just loosen them you can then remove the shaft without a lot of disassembly other wise you will end up having to disassemble and then reassemble the plastic housing or top cover. Stihl offers a driveshaft lube but and good quality lithium based grease will work to lube the shaft.