Turn the switch to the 'on' position you should. You can touch either lead to either terminal. This means that once the engine is running, it is impossible to switch off without removing the cover to re-seat the switch in its clip-in base. When in the other three positions, it rests on the orange plastic as intended. Disconnect the electrical leads from the switch and touch the leads of the meter to the terminals. / Stihl MS180 switch 1 The on / off / choke switch on my MS180 chainsaw has an annoying habit of popping out of its plastic seat. (Look straight down from the large chrome bolt in the photo.) It only does this in this position. You can see in the second photo, where the switch is in the 'On' position, that the lower interior cylindrical portion of the switch component has been lifted away slightly from the orange plastic base on which it rests. UPDATE: I feel like this is related and another indicator something is loose or disconnected. Thanks very much in advance for any insight! It seems likely this is something very minor and easy to fix so I'd hate to take it to the dealer and pay for service if that is the case. 80,677 views 244 Dislike Share Mr Tims 5.14K subscribers I had a problem with the on off choke switch on my Stihl 025. On & Off Stop Switch Replacement for Stihl 42294300203 FS55R FS55 FS46 FS45 BT45 BG55 BG65 BG85 Line Trimmers FitBest Carburetor with Tune Up Service Kit Fits Stihl BG45 BG46 BG55 BG65 BR45C SH85 Blower 4229 1200 606 Carb 17.5017. I've attached four photos to this post in the hope someone can see something I can't. Stihl 025 Chainsaw On Off Choke switch problem and how I fixed it. When I move the switch through the four positions, something feels either slightly loose or possibly disconnected but I'm not really sure what I'm looking for.Īdditionally, the back cover of the housing appears to mount fine but seems to be preventing the switch from moving fully to the off position when installed though I can't see anything impeding its movement. I have to pull the connector off the spark plug to cut it off. Stihl 42 Stop ON/Off Switch fits BG55 BG65 BG85 SH55 SH85 30 5 offers from 15.00 Stihl 42 Stop Switch Blower Vacuum Fits BG56 BG66 BG86 SH56 SH86 HS82 13 4 offers from 15.00 Stihl 42 Stop Switch 59 2 offers from 14. I'm having a bit of an odd issue with my chainsaw (STIHL MS250) in which moving the switch to the top position fails to turn off the engine.

Stihl on off switch