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How to Dismantle the Piston and Cylinder Head on a Beta RR 125

Model: Beta Rr 125
Part: Cylinder head

Video tutorial

In today's video, we will see how to dismantle the cylinder head (head, cylinder, and piston) on a Beta RR 125, with the engine removed from the bike. First, remove the cylinder head using a socket spanner to unscrew all the bolts; then unscrew the four nuts at the base of the cylinder to remove it, as illustrated in the video.

At this point, remove the piston by taking out one of the clips found in the hole; then extract the pin from the opposite side by gently pushing it forward. Follow the video to the end for reassembly!


Updated on 18 April 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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