TMartin326 Posted February 25, 2025 Report Share Posted February 25, 2025 We have a 2013 f21 tomcat and we had to have to have drive shaft replaced. Finding the drive shaft was a lot of work we live in California and we had to call multiple boat shops to get the right one. Now the motor has to be shifted. Has anyone done this by themselves? Quote Link to comment Share on other sites More sharing options...
AZ_MB Posted February 25, 2025 Report Share Posted February 25, 2025 This is a common issue caused by motor mounts that fail. I got a shaft from Elberts and it was pretty simple. Indmar sent me motor mounts at no charge since this was their fault. Replacing the motor mounts was pretty easy. Just do one at a time and the other 3 will hold the engine in place. The alignment is what takes more time as you'll read in the threads below that talk about this. https://mbboatowners.com/index.php?/topic/6477-motor-mount-bushings/#comment-88415 https://mbboatowners.com/index.php?/topic/5312-vibration-at-2000rpm/#comment-70258 Quote Link to comment Share on other sites More sharing options...
TMartin326 Posted February 25, 2025 Author Report Share Posted February 25, 2025 Thank you AZ_MB for the reply. When we had drive shaft replaced we were told motor mounts were okay. I’m now thinking we need to replace them regardless. I will look into contact for Indmar. Quote Link to comment Share on other sites More sharing options...
AZ_MB Posted February 25, 2025 Report Share Posted February 25, 2025 In the threads I linked above you'll see examples of motor mounts that are defective. Perhaps yours are okay and the issue you had was something different. What happened that you had to have your drive shaft replaced? Did you hit something? Quote Link to comment Share on other sites More sharing options...
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