Invacare Supply Group Invacare Pronto M51 Power Wheelchair - Blue - Power wheelchair "flat spot tire" Questions

...If you chair was down for a long time before getting new batteries the tires could have developed flat spots on them. Also could have brush problems in the motors that make the motors run jerky

...flat spot on the tires. Usually, if it hasn't been too long, they will go away with driving and or warm weather and driving, otherwise, you need to replace the offending tire or buy some earplugs. ...

...flat surface. All connections are fine, new batteries. Brushes are ok. Reminds me of when the chain is skipping on an old bike. This can be an aggravating problem with a simple solution. There are ...