YAMALUBE FOR R1
After research I have found this to be one of the top oils to use. It is used by Yamaha them selves. It has more adds in then normal oil.
Yamalube Semi-Synthetic Oil Service Kit -Yamaha YZF R1 07-14, R6 06-16
This kit contains:-
-4l of Semi-Synthetic 10w40 oil by Yamalube
-1 Genuine Yamaha Oil Filter Part No 5GH-13440-80 will be supplied, which directly supersedes 5GH-13440-20/5GH-13440-50/5GH-13440-60/5GH-13440-61
-1 Replacement Sump Washer
Features & Benefits:
-Delivers the optimum mix of high performance and value
-Suitable for all road bikes in normal conditions
-The 10W-40 oil offers the precise, factory-recommended multigrade viscosity for your four-stroke Yamaha
YAMALUBE Semi Synthetic 4-Stroke Oil
-10W-40 API SG
-JASO MA
Tel No. 0800 0523146