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    2. :
  2. Yamaha
    3. : Tdm 850 4tx

How to Replace the Spark Plugs on a Yamaha TDM 850 4TX?

Model: Yamaha Tdm 850 4tx
Part: Spark plugs

Video tutorial

In this tutorial, see how to replace the spark plugs on the Yamaha TDM 850 4TX, a very simple and quick operation. First, remove the side fairings, then take out the radiator support bolts, slightly move it, and disconnect the power cable from the first spark plug.

Next, unscrew it using a 16 mm socket, pull it out from the cylinder head, and insert the replacement, which should be tightened securely but without applying excessive force. Once finished, reassemble everything by following the reverse procedure and repeat the operation for the second spark plug.


Updated on 12 June 2026 by ScegliAuto


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