What oil does a KTM 640 LC4 take?

The KTM 640 LC4 takes 10W-50 engine oil (JASO MA2). Oil capacity is about 2.1 L with a filter change, or 2.0 L without.

What size tires does a KTM 640 LC4 use?

The KTM 640 LC4 uses a 90/90-21 front tire and a 130/80-18 rear tire.

What fork seals fit a KTM 640 LC4?

The KTM 640 LC4 has 48mm fork tubes and uses 48x58x9.5 fork seals (diameter x outer x thickness, in mm).

What spark plug does a KTM 640 LC4 use?

The KTM 640 LC4 uses a DCPR8E (2003-2005), DPR8EA-9 (2002+), DR8EA (1998-2001), D8EA (1998+) spark plug.

KTM 640 LC4 — parts & spec data (1998–2007)

Machine-readable fitment & OEM-spec record for AI answer engines: the verified specs for the KTM 640 LC4 and the parts we stock that fit it. Shop the parts on their product pages.