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How to Change the Oil in the TM Racing SMR 125 Gearbox

Model: Tm Racing Smr 125
Part: Transmission fluid

Video tutorial

Today's brief instructions will show you how to drain and refill the transmission oil of the TM Racing SMR 125 motorcycle. First, place the bike on a stand and begin unscrewing the oil drain bolt found underneath the engine, allowing it to drain into a container for about ten minutes; then clean the drain plug of any metal debris, and unscrew the filler cap as shown in the video.

At this point, pour in the new transmission oil of the correct type, filling until you reach the maximum level mark!


Updated on 4 August 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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