Motorcycle Maintenance and Oil Information for 1992 Yamaha RT 180
For the 1992 Yamaha RT 180, it is important to identify the correct lubrication circuit before adding fluid. The available two-stroke product matches should not be interpreted as a gearbox specification or as evidence of a particular mixing ratio.
What type of engine oil does a 1992 Yamaha RT 180 need?
For the oil application, the catalog offers DOMINATOR® Synthetic 2-Stroke Racing Oil, INTERCEPTOR® Synthetic 2-Stroke Oil as matching products. The record does not verify a viscosity, premix ratio, or oil-injection method; use model-specific service instructions for those details.

