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BikeMaster CR125M Rebuild | Part 3

BikeMaster CR125M Rebuild | Part 3
By Bikemaster January 8, 2020
Above: The key to good results is in the prep work. Sanding all the incorrect RED color off, primed and now painted.

Sometime in the past, our 1974 CR125M was updated with a 1976 swingarm and shocks for longer travel. It was also painted Tahitian red to make it look like a newer bike. We decided to bring her back to the original colors for a true 1974 CR125M. This means stripping the red paint from the frame, fuel tank and finding a good used 1974 swingarm. After days of sanding and prep-work, the gloss black paint went on smooth as silk. It really is amazing the results you can achieve with the right paint preparation. The triple trees on a 1974 CR125M came stock with black paint that was not very durable. However, we wanted to give it a trick factory race look with a bare fine brushed finish. We also wanted to update the stock steering head ball bearings to a roller bearing setup and the BikeMaster steering stem bearing press (152486) makes installation a breeze. We do not mind making a few alterations from the stock look, as it gives the bike a little uniqueness. As you can imagine, the 45 years old forks with “hard as a rock” seals needed a complete rebuild. The lower fork sliders had some serious oxidation that needed sanding with various grits and then finished with three grades of steel wool. A restoration project always seems to require so much time, effort and dedication without much gratification during the beginning assembly stages. Fortunately, it doesn’t take very long until you start to see a little progress. Up next will be rebuilding the wheels and rear suspension, as we move closer to having a rolling chassis.

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New bearings and races for the steering head and paint stripped to contrast the triple trees.

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The forks are pretty crusty and will need a lot of elbow grease to make them shine again.

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A complete rebuild was in order for our 1974 CR125M forks.

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The forks are ready for reassembly after a thorough clean and polish.

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Front end assembled and installed. The start of a beautiful relationship!

Look for part 4 of the BikeMaster CR125M Rebuild coming soon.

Go to Part 4 >>

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