I have older cannons that came on the boat I had one that would struggle to lift my 13 lb torpedos. Lifts my 10s no problem. Has been fine my other 2 lift the 13s no problem. Yesterday one stopped and would need me to turn spoil then go for 20 ft and stop again. Motor or lube? I have a tote of 5 more for parts should I hook my charger to motors find the ones that work and change it out? Going to need to upgrade but cant