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- Order number: S4F09700020A
NEW PISTON LINE HIGH PERFORMANCE 2 & 4 stroke cast and forged pistons... more
Product information "Piston kit S4F09700020A (forged piston)"
NEW PISTON LINE
2 & 4 stroke cast and forged pistons
For more than 10 years ATHENA has been developing and producing cylinder kits for 2 & 4 stroke offroad motorcycles. In cooperation with the world's best motocross racing teams, ATHENA has now designed a new line of racing pistons -
ATHENA offers a wide range of 2 stroke and 4 stroke Racing forged as well as cast pistons, which are specifically designed for all off-road motorcycles (MX, Enduro and ATV). They are produced according to the latest technological standards and highest industrial requirements. The unique "Smart Can" packaging, consisting of a resealable metal can, can either be used as a storage can or recycled
All ATHENA cast and forged pistons are made of aluminum alloy with a perfectly balanced composition of nickel, copper and silicone. By using the best raw materials in combination with the most advanced design and manufacturing methods, ATHENA High Performance pistons impress with a very light weight combined with high stability. This results in better engine performance as well as longer engine durability.
4 stroke HIGH PERFORMANCE
The 4 stroke HIGH PERFORMANCE forged pistons are completely developed, designed and produced by ATHENA. In order to guarantee the highest performance of the pistons, the ATHENA piston designs were extensively tested in advance both on the test bench and on the race tracks. The aim here was also to achieve ATHENA's own high durability requirements
The selection of compression rings and oil wiper rings was of particular importance. Taking into account the tangential loads and the tangential profiles, these were selected in such a way that, on the one hand, excellent sealing properties are achieved and the "blow-by" effect (escape of combustion gases into the crankcase) is avoided and, on the other hand, no loss of sliding properties has to be accepted. The result is a considerable increase in performance combined with longer piston and cylinder durability.
Hardened stiffening bridges
To increase overall strength, ATHENA HIGH PERFORMANCE pistons feature hardened, low-tolerance stiffening bridges. This technology results in stronger pistons that can better withstand increased engine power with only a slight increase in weight.
Piston pin lubrication
To improve piston pin lubrication, ATHENA pistons feature special lubrication grooves that allow oil to accumulate in the area of the piston pin bore. As a result, this leads to reduced friction, lower temperatures, and a lower risk of overheating and/or piston seizure.
oil Lubrication Groove
ATHENA's HIGH PERFORMANCE pistons have an oil lubrication groove between the first and second sealing rings. This groove allows the accumulation of lubricating oil, thus stabilizing the pressure between the piston rings and avoiding the "blow-by" effect. The gain in lubrication also improves efficiency, avoids pressure losses and ensures constant power output from the engine.
Scope of delivery:
- Piston pin
- Piston rings
- Packing (metal can)
Suitable for: YAMAHA YZ450F 2014 2017 YAMAHA WR450F 2016 2018
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