YCF 50 A Owner's Manual page 146

Drive Chain Removal and Cleaning
Chain removal and cleaning can be accomplished by following the instructions below:
Drive Chain Removal and Cleaning
Chain removal and cleaning can be accomplished by utilizing the following guidelines:
(A) Master link retaining clip
Drive Chain Removal Process
1. If the drive chain appears especially dirty due to muddy or sandy off-road conditions, it should be
removed and cleaned in order to prolong its life.
2. To remove the clip on the master link (A), pull out the retaining clip with a needle-nose plier. Be
sure not to damage the clip, as this will cause the retaining clip to slide back. You can now remove
the drive chain.
3. Thoroughly dissolve the accumulated dirt using heavy oil such as kerosene. Then allow it to dry.
4. Visually inspect the drive chain for any damages. If you notice damage, have it replaced.
5. Lubricate the drive chain, including the rollers, the bushings and the rings.
6. Thread the chain over the swingarm and around the new sprockets. Then connect the open ends of
the chain with the master link. For ease of assembly, hold the chain ends against adjacent rear
sprocket teeth while inserting the master link. Install the master link retaining clip so that the closed
end of clip faces the direction of the chain's rotation.
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