How much engine oil do I need for my CB350 / CL350 / SL350? Common Motor December 03, 2018 07:32 Follow CB350 / CL350: 2.1 U.S. Quart / 2 Lit. SL350: 2.3 U.S. Quart / 2.2 Related articles What engine oil should I use for my CB350 / CL350 / SL350? How often do I need to change the engine oil on a CB350 / CL350 / SL350? Honda CB350 Carburetor Identification Guide Honda CB350 Loose Emulsifier Tubes in Carburetor Rebuild Kit How to Rebuild a Honda CB350 Carburetor Comments 0 comments Please sign in to leave a comment.