Fork Oil Heavy 15W

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RAVENOL Fork Oil Heavy 15W is a fork oil on mineral oil base which was developed for all forks of off-road motorbikes and motor cross bikes.

RAVENOL Fork Oil Heavy 15W is especially characterised by a high and stable viscosity index as well as a solid corrosion protection. Efficient additives offer even under extreme loads an excellent corrosion protection. The behaviour against sealing materials is neutral.

Application Notes

RAVENOL Fork Oil Heavy 15W was developed for the use in all chassis components of two-wheeler vehicles and offers good power characteristics. In order to obtain the optimum viscosity for the vehicle and operating condition the mineral fork oils are miscible among each other.

Quality Classifications

RAVENOL Fork Oil Heavy 15W is tried and tested for aggregates specifying:

Practice and tested in aggregates with filling

Yamaha, Kawasaki, Honda, Aprilia, BMW, Suzuki, Ducati, Triumph, Moto-Guzzi


RAVENOL Fork Oil Heavy 15W offers:

  • good damping characteristics at all temperatures
  • a high and stable viscosity index
  • an excellent protection against corrosion, therefore a longer endurance of the fork components
  • as far as possible protection against corrosion of the inside components
  • a very good air and water separation behaviour to prevent foam formation
  • neutral behaviour against sealings made of plastics
  • a very low pour point
Characteristics Unit Data Audit
Colour yellow brown visual
Density at 20°C kg/m³ 865 EN ISO 12185
Viscosity at 40°C mm²/s 46,0 DIN 51 562
Viscosity at 100°C mm²/s 8,1 DIN 51 562
Viscosity index VI 150 DIN ISO 2909
Flash point (COC) °C 220 DIN ISO 2592
Pourpoint °C -39 DIN ISO 3016
TBN mg KOH/g 0,4 DIN ISO 3771
Sulphated ash %wt. ca. 0,06
demulsifiying power 40ml/40ml/10min.

All indicated data are approximate values and are subject to the commercial fluctuations.

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