Pinion gear issues

Keil Carlson

Active Member
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29
I am having issues with the pinion gear coming off of the motor. Short of using loctite or a welder is there any way to help keep the pinion on?
 
Start with a 22. That gives almost the same the same gear ratio as a stock brushless at 87/23 gearing. Check motor temps after 5 mins of hard driving. If it's hot, drop to a 21t pinion.
Will do. Currently I only am able to drive outside so after a long run my motor is still cold, but I will definitely try this.

I am running the 4000kv kinexis
 
I'll second the use of blue thread lock glue (Locktite). I use it on all pinion set screws. Never had another issue with pinions falling off!
 
I'll second the use of blue thread lock glue (Locktite). I use it on all pinion set screws. Never had another issue with pinions falling off!
OK cool. Do you have any pinion recommendations for the 81t spur gear?
I have had no issues using 18 thru 22 pinions. I like 21
I was working on tuning up the suspension after a total rebuild omce, And was running it without the cover. And of course the ONE time I dont have loctite on the set screw or the cover on. Pinion comes loose and gone forevvvveeerr. Lol
 

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