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How to Service a Sym Symphony SR 150?

Model: Sym Symphony 151
Part: Checks and maintenance

Video tutorial

To service a Sym Symphony SR 150, follow all the operations shown in the video: clean the air filter with a blast of compressed air after removing the relevant cover. Next, check the correct tension of the chain, remove it, and clean the pulleys that tension it. To access the chain and pulleys, you need to remove the cover by unscrewing bolts and screws as shown in the video.

Once all checks are completed, you can reassemble all previously removed parts, following the operations in reverse.


Updated on 19 April 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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