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Silkolene PRO 4 10w-50 XP Fully Synthetic Ester Bike Engine Oil


3 in stock


Silkolene PRO 4 10w-50 XP Fully Synthetic Ester Bike Engine Oil

Using 100% synthetic ester to provide increased power, optimum engine protection, ultimate performance, and reliability. A proven formula was developed in partnership with manufacturers and race teams.

During the development of XP, an extensive development programme was conducted, and new formulations were rigorously tried and tested and compared with reputable competitor products in the same type of engines. This research showed us what gave the best improvements across a range of requirements and led to the launch of our new and improved range of motorcycle engine oils utilising XP Technology:

11% Fuel Savings

18% Lower Oil Consumption

3% Improved Power (BHP/TORQUE)



One product range suitable for all high-performance 4-stroke motorcycle engines on-road and Off-Road

Extensive racing experience and dyno analysis show significant increase in power output compared to conventional products, plus improved fuel economy and lower oil consumption 

Advanced surface chemistry provides outstanding anti-wear properties, giving vital protection to pistons, bores, cams and bearings even under race conditions 

Provides enhanced high-temperature deposit control, resulting in a cleaner engine and promoting longer engine life 

Suitable for gearboxes and transmissions where engine oil technology is specified,   outstanding gear wear and pitting protection 

Balanced frictional properties give precise clutch control and operation 

It also provides good corrosion protection, oxidation and nitration resistance, and lower volatility


Approvals and Specifications


API SM / SN Performance


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