ATHENA Racing Forged Piston for KTM EXC 200, SX 200 1998-2016

ATHENA offers this piston kit for KTM EXC 200, SX 200 1998-2016. The piston slides in the cylinder and takes the force of the air-fuel combustion, passing it to the connecting rod and crankshaft.

Why choose a forged piston?

Instead of simply being cast, a forged piston is hot-pressed under very high pressure and then machined: its metal is denser and free of air pockets.

• Stronger when hot: it copes better with high revs, overheating and detonation.
• Lighter for the same strength: less stress on the connecting rod and bearings.
• Good to know: depending on the alloy, it expands a little more and is fitted with more clearance; slight noise when cold is normal.
• Why does it cost more? Forging tools, full machining and surface treatments cost more than simple casting.

Why choose ATHENA?

Athena, the Italian manufacturer founded in 1973, is an original-equipment supplier to manufacturers such as KTM and Ducati: the same standards for your replacement parts.

When should you replace the piston on your KTM EXC 200?

Harder starting, loss of power, blue smoke, oil consumption or a knock when cold: these are the signs of a tired top end.

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

Specifications and fitting tips

• Engine: 2-stroke
• Manufacturer part numbers: S4F06400001A (A), S4F06400001B (B), S4F06400001C (C)

Available in several sizes: choose the one that matches your cylinder (stamped size or measured bore). Diameters: A = 63.94 mm, B = 63.95 mm, C = 63.96 mm.

Spare parts and items to plan

• Piston rings : PROX · VERTEX
• Piston pin : WOSSNER
• Top-end gasket kit : TECNIUM · CENTAURO
• Small end needle bearing : NTN · ATHENA
• Spark plug : NGK
• Coolant : LIQUI MOLY 1 L · TWIN AIR
• 2-stroke oil : LIQUI MOLY 1 L 3065 · LIQUI MOLY 1 L 3063

Compatibility

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

Fits:
KTM EXC 200 2016
KTM EXC 200 2015
KTM EXC 200 2014
KTM EXC 200 2013
KTM EXC 200 2012
KTM EXC 200 2011
KTM EXC 200 2010
KTM EXC 200 2009
KTM EXC 200 2008
KTM EXC 200 2007
KTM EXC 200 2006
KTM EXC 200 2005
KTM EXC 200 2004
KTM EXC 200 2003
KTM EXC 200 2002
KTM EXC 200 2001
KTM EXC 200 2000
KTM EXC 200 1999
KTM EXC 200 1998
KTM SX 200 2016
KTM SX 200 2015
KTM SX 200 2014
KTM SX 200 2013
KTM SX 200 2012
KTM SX 200 2011
KTM SX 200 2010
KTM SX 200 2009
KTM SX 200 2008
KTM SX 200 2007
KTM SX 200 2006
KTM SX 200 2005
KTM SX 200 2004
KTM SX 200 2003
KTM SX 200 2002
KTM SX 200 2001
KTM SX 200 2000
KTM SX 200 1999
KTM SX 200 1998