ATHENA Cylinder Base Gasket for BETA RR 250, RR 300, RX 250, RX 300, RX 350, XTRAINER 250, XTRAINER 300 2013-2026

Name: ATHENA Cylinder Base Gasket for BETA RR 250, RR 300, RX 250, RX 300, RX 350, XTRAINER 250, XTRAINER 300 2013-2026
Brand: ATHENA
SKU: S4100600060
Price: 5.9 EUR
Availability: InStock

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€5.90

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Disponible en nuestro proveedor, enviado en 10 a 15 días.

The gasket fitted between the crankcase and the cylinder: it seals the joint and sets the cylinder height.

Available in several thicknesses.

ATHENA offers this cylinder base gasket for BETA RR 250, RR 300, RX 250, RX 300, RX 350, XTRAINER 250, XTRAINER 300 2013-2026. The base gasket sits under the cylinder, on the crankcase. Crushed when tightened, it cannot be reused: replace it every time the cylinder comes off.

Why does the thickness matter?

The benefits:

The OE thickness keeps the cylinder height intended by the manufacturer.
Another thickness lets you correct piston-to-head clearance after machining or adjust the port timing of a 2-stroke.
A new gasket keeps the bottom end sealed against oil and gases.

Why choose ATHENA?

Athena, founded in 1973 by Giovanni Mancassola near Vicenza and based in Alonte (Italy), designs gaskets, pistons and cylinder kits; it supplies original equipment to manufacturers such as KTM, Ducati, Fantic and Triumph.

When should you replace the base gasket on your BETA RR 250?

Every time the cylinder comes off: piston change, top-end rebuild or cylinder inspection. Oil or mixture seeping at the base of the cylinder also points to a tired gasket.

No manufacturer figure in hours for this model. Cross-Mania guideline: compression check every 20 h of hard use and every 40 h of leisure riding.

Specifications and fitting tips

Manufacturer part numbers: S410060006029 (0.30 mm), S410060006030 (0.40 mm), S410060006031 (0.50 mm), S410060006032 (0.60 mm)

Choose the thickness from the list. "OE" is the factory thickness; another thickness is used to set the cylinder height after a rebuild (piston-to-head clearance, port timing on a 2-stroke).

Cross-Mania tip: Choose the OE thickness if the cylinder and head have not been machined; if in doubt, measure the squish with solder wire before final assembly.

Spare parts and items to plan

Top-end gasket kit : PROX 36.7323 · PROX 35.7323
Piston : WOSSNER · VERTEX
Piston rings : PROX · VERTEX
Coolant : LIQUI MOLY 1 L · TWIN AIR

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Reference S410060006029

In stock6 Items

Specific References

Click on your bike to see all compatible parts.

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ATHENA Cylinder Base Gasket for BETA RR 250, RR 300, RX 250, RX 300, RX 350, XTRAINER 250, XTRAINER 300 2013-2026

Why does the thickness matter?

Why choose ATHENA?

When should you replace the base gasket on your BETA RR 250?

Specifications and fitting tips

Spare parts and items to plan

Compatibility

ATHENA Cylinder Base Gasket for BETA RR 250, RR 300, RX 250, RX 300, RX 350, XTRAINER 250, XTRAINER 300 2013-2026