For 2-cycle motorcycles with a separate transmission fluid reservoir, we recommend Royal Purple Synchromax or an engine oil from our Max-Cycle or HPS series. Please contact Royal Purple Automotive Technical department at 888-382-6300 for assistance
Royal Purple® suggests adhering to manufacturer’s recommendedoil change intervals for vehicles under warranty. Vehicles that are no longer under warranty can frequently double or triple the number of miles between oil changes depending on the vehicle, its condition, the way it’s used (excessive idling), and the oil filter that is used. For guidelines specific to …
Follow the manufacturer’s recommendations regarding viscosity. Most manufacturers recommend a 10W-40 for 4-cycle, liquid-cooled motorcycles. Air / oil cooled motorcycles typically specify a 20W-50. Check your owner’s manual for verification or contact Royal Purple’s Automotive Technical Department at 888-382-6300 for assistance.