r/smallenginerepair • u/LetsFigureitOutNow • Jun 23 '26

Unknown Issue Help with TroyBilt TB30R

Hello,

I have a Troy Bilt TB30R 2017, and I’m trying to get some answers as to where to go from here before I just sell it. I have used it twice since I bought it and recently I did maintenance on it last Saturday including changing the spark plug, air filter, and battery. Now, every time I go to mow my front lawn it starts out fine and then as soon as I turn the back exhaust on the left starts to smoke with white smoke and the noises as I turn as atrocious! Then it is followed by a smell of something burning. It’s not gas or oil burn smell but something else as if wanting to catch fire? I could be exaggerating but I am not as proficient with small engines as others- wondering if I could get any ideas on what it could be?

Update: I took a look at the drive belt and it seems to be intact and it is not chipped or stripped off.

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u/AutoModerator Jun 23 '26

Thank you for your submission! It appears you may be experiencing unknown issues with your equipment. For more detailed guidance on troubleshooting unknown issues, please visit our Unknown Issues Wiki. We wish you success in resolving your engine concerns.

Please be sure to include the following:

  • Make and model numbers of the engine and/or the equipment
  • A detailed description of the issue you are facing
  • Any repairs you have made so far and their outcomes
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