I use Q8, I've used it now for 8 years, I buy it from a local oil distributor in 25 litres and it works out good value for money, the same oil is used by the British superbike teams Rizzla Suzuki and Airwaves Ducati
here is the spec.
Q8 MOTO SBK Racing 10W-50
Q8 MOTO SBK Racing 10W-50 is a high performance, fully synthetic engine oil for use in motorcycles. It has been designed with race proven technology and is compatible with all wet clutch systems. Using the latest additive technology, Q8 MOTO SBK Racing 10W-50 meets the lates Japanese, American and European specifications. It is an extreme high performance four stroke motorcycle engine oil designed for use in all riding conditions including off-road and endurance. It is also recommended for the latest high performance multi valve engines with catalysts
Specifications API SL, JASO MA, ACEA A3
Best regards Stretch