2004 Yamaha Motorsports RX-1 Owners Manual - Page 33
2004 Yamaha Motorsports RX-1 Manual
Page 33 highlights
CAUTION: @ G G G G @ Oxygenated fuels (gasohol) containing a maximum 5% of ethanol can be used, although richer jetting may be required to prevent engine damage. Consult a Yamaha dealer. Gasohol containing methanol is not recommended. Make sure that snow or ice does not enter the fuel tank when refueling. Do not use alcohol deicers or water absorbing additives with oxygenated fuel. The fuel tank should be filled with straight gasoline as specified. ESU00343 Engine oil Use a combination of the recommended SAE and API oil classifications shown in the chart below. CB-01E SAE API -40˚ -20˚ 0˚ 20˚ 40˚ 60˚ F SE, SF, SG or higher SAE 5W-30 -40˚ -29˚ -18˚ -7˚ 4˚ 16˚ C CAUTION: @ G G Use only 4-stroke engine oil. Engine oil also lubricates the starter clutch. In order to prevent clutch slippage, do not mix any chemical additives with the oil or use oils of a higher grade than "CD". In addition, do not use oils labeled "ENERGY CONSERVING II" or higher. @ 6-2