Do it yourself
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Model: Beta Beta 430
Part:

In today's video, we will see how to replace the flywheel side oil seal on a Beta 300. First, unscrew the bolts of the cover using an 8 mm socket: mark their position as the bolts are of different lengths. Now remove the cover and take out the gasket: disassemble the flywheel using a puller; unscrew the nut and extract it. Now use something sharp or a screwdriver to pry out the oil seal, as shown in the video. Reassemble everything, lubricating the new oil seal and refitting it in place.

Updated on 22 March 2026 by ScegliAuto

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