Do you have the V2 or V3?Three must do mods to the Senton are:
1. Cover to stop crap getting in. Dusty Motors cover for the Senton is actually for the 6s version but works OK on the 3s. Disposable catering hair net much cheaper and works well.
2. Take the motor pinion off and put a couple of o rings under it to stop dust getting in the motor bearing. Possibly not so important on the new V3 motors but do it anyway.
3. Get some double sided foam tape (3M if you can), peel off one side only and stick it to the bottom of the spur gear housing. Cut a small rectangle where the spur gear pokes out a bit. This stops grit getting into the spur gear.
If you do the hair net option you can do all threee of these for less than ten bucks/quid/euro...
Shim the spur gear if it rubs on the housing. (Look for black dust inside)
Replace the radio. I have the Flysky GT5. Much better response and the giro makes a huge difference to keeping it going straight no matter the speed or surface.
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