i had to take a dremel to my losi motor mount, 45 plastic spur for definate! hell of alot quieter than a hardened spur gear
had mine around 2 weeks (neu castle 1512 1800kv, v3 speedo, zippy 5 s 5000mah) just luvin the plug & play!! after nitro
and after reading this i will be taking the plastic rear motor support off.