ATHENA Cylinder Base Gasket for HONDA NX 125, XL 600, XR 500, XR 600 1983-2002

On HONDA NX 125, XL 600, XR 500, XR 600 from 1983 to 2002, the ATHENA S410210006020/1 cylinder base gasket fits in place of the original part. Fitted under the cylinder, the base gasket is more than just a seal: its thickness sets the height of the cylinder, and with it the engine's squish and compression.

Key features

• Several thicknesses available for the same bike.
• The right tool for setting squish, compression and timing, according to Athena.

Specifications

• Brand: ATHENA
• Manufacturer part number: S410210006020/1
• EAN code: 8051757041305
• Thickness: OE
• Weight: 50 g

When to replace it?

• Oil or coolant seeping at the base of the cylinder.
• Gasket crushed or torn on removal.

Every time the cylinder is removed: a crushed base gasket can't be reused.

Fitting tips

1. Clean the crankcase face and the base of the cylinder without scratching them.
2. Fit the gasket dry, centred on the studs.
3. Tighten the cylinder in a criss-cross pattern to the manufacturer's torque.
4. If you have changed the thickness, measure the squish before refitting the cylinder head with a new head gasket.

Why ATHENA?

Founded in 1973 near Vicenza, Athena is an Italian engine gasket specialist that has made its gaskets on its own production lines since day one, as well as a renowned manufacturer of pistons and cylinder kits. The brand supplies original equipment to manufacturers such as KTM, Ducati, Fantic, Piaggio and Triumph, and is a partner of the MXGP motocross world championship.

Spare parts and items to plan

• Top-end gasket kit : ATHENA · CENTAURO
• Piston : ATHENA · PROX
• Piston rings : WOSSNER 895XSY-3 · WOSSNER 890XSY-3
• Coolant : LIQUI MOLY 1 L · TWIN AIR

Frequently asked questions

Which thickness should I choose?
The same as your original gasket, unless you are deliberately adjusting the squish.

Should the other gaskets be replaced?
Yes, as soon as the cylinder is removed: a top end gasket kit includes all the gaskets that need replacing.

Compatibility

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

Fits:
HONDA NX 125 2002
HONDA NX 125 2001
HONDA NX 125 2000
HONDA NX 125 1999
HONDA NX 125 1998
HONDA NX 125 1997
HONDA NX 125 1996
HONDA NX 125 1995
HONDA NX 125 1994
HONDA NX 125 1993
HONDA NX 125 1992
HONDA NX 125 1991
HONDA NX 125 1990
HONDA NX 125 1989
HONDA NX 125 1988
HONDA XL 600 1987
HONDA XL 600 1986
HONDA XL 600 1985
HONDA XL 600 1984
HONDA XL 600 1983
HONDA XR 500 1984
HONDA XR 500 1983
HONDA XR 600 1998
HONDA XR 600 1997
HONDA XR 600 1996
HONDA XR 600 1995
HONDA XR 600 1994
HONDA XR 600 1993
HONDA XR 600 1992
HONDA XR 600 1991
HONDA XR 600 1990
HONDA XR 600 1989
HONDA XR 600 1988
HONDA XR 600 1987
HONDA XR 600 1986
HONDA XR 600 1985
HONDA XR 600 1984
HONDA XR 600 1983