Leaking engine

[bigt]

so i have yokomo rx 18 engine that seems to have a leak out of the crankshaft bearing i know how to remave it and reinstall one but i was wondering should i replace both of the bearings or just the one,

also where would i be able to find these bearing

thanks in advance

 

[Amoeba]

Replace both at once. It ensures that any tolerance/wear differences aren't an issue. A quick google search didn't tell me what engine manufacturer the RX 18 is (OS maybe?) but try amain or search around for ZE-RX18 bearings.

 

[bigt]

ok thanks for the help