Castrol Engine oil
XR 77. Fully-synthetic oil for two stroke racing motorcycles
Castrol XR 77 two stroke engine oil is the ultimate pre-mix racing oil based on fully synthetic technology.
Benefits:
• High lubricity to prevent seizure in over-speed conditions- allows tuners to lean out their engines to a maximum
• Sustained engine power throughout the race
• Visible sparkplug and piston crown deposits for fine race tuning - high levels of deposits and good tones giving excellent readability on all unleaded fuels
• Wet weather throttle lubrication - XR77 is formulated to prevent throttle slide sticking in wet conditions
• Ease of mixing with racing gasoline - and minimal effect on the octane rating of high performance fuels allowing maximisation of engine compression
Specifications:
• Fully certified for use in Moto GP racing
• EMPA test report number 417478/01.