ATHENA Engine Bearing for KAWASAKI KLX 450, KLX 650, KXF 250, KXF 450 and YAMAHA WRF 250 1993-2019

On KAWASAKI KLX 450, KLX 650, KXF 250, KXF 450 and YAMAHA WRF 250 from 1993 to 2019, the ATHENA MS200370900DD engine bearing fits in place of the original part. In a motocross engine, the bearings spin fast and take hard knocks. Replacing a tired bearing at the right time saves the crankcase or the gearbox from damage.

Specifications

• Brand: ATHENA
• Manufacturer part number: MS200370900DD
• EAN code: 7316577121950
• Type: 61904/2RS1
• Weight: 40 g
• Engine: 4-stroke

When to replace it?

• Bearing noise or engine rumble.
• Play or tight spot when turning the bearing by hand.
• Signs of overheating or rust on the races.

During an engine rebuild, or as soon as a bearing shows play or tight spots.

Fitting tips

1. Heat the crankcase (around 100 to 120 °C) to remove the old bearing and fit the new one without force.
2. Only push on the race that is the tight fit: outer race in the crankcase, inner race on the shaft.
3. Check which way round it goes if the bearing has a shielded side.
4. Close up with new gaskets or a complete engine gasket kit.

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

• Complete engine gasket kit : MOOSE · ATHENA
• Engine oil seals : MOOSE · INNTECK
• Gearbox oil : LIQUI MOLY 10W30 1 L · LIQUI MOLY 1 L

Frequently asked questions

Is the bearing OEM quality?
It is supplied by Athena; the bearing brand (SKF, KOYO, NTN…) is given in the specifications when it is known.

Compatibility

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

Fits:
KAWASAKI KLX 450 2015
KAWASAKI KLX 450 2014
KAWASAKI KLX 450 2013
KAWASAKI KLX 450 2012
KAWASAKI KLX 450 2011
KAWASAKI KLX 450 2010
KAWASAKI KLX 450 2009
KAWASAKI KLX 450 2008
KAWASAKI KLX 650 1996
KAWASAKI KLX 650 1995
KAWASAKI KLX 650 1994
KAWASAKI KLX 650 1993
KAWASAKI KXF 250 2019
KAWASAKI KXF 250 2018
KAWASAKI KXF 250 2017
KAWASAKI KXF 250 2016
KAWASAKI KXF 250 2015
KAWASAKI KXF 250 2014
KAWASAKI KXF 250 2013
KAWASAKI KXF 250 2012
KAWASAKI KXF 250 2011
KAWASAKI KXF 250 2010
KAWASAKI KXF 250 2009
KAWASAKI KXF 250 2008
KAWASAKI KXF 250 2007
KAWASAKI KXF 250 2006
KAWASAKI KXF 250 2005
KAWASAKI KXF 250 2004
KAWASAKI KXF 450 2015
KAWASAKI KXF 450 2014
KAWASAKI KXF 450 2013
KAWASAKI KXF 450 2012
KAWASAKI KXF 450 2011
KAWASAKI KXF 450 2010
KAWASAKI KXF 450 2009
KAWASAKI KXF 450 2008
KAWASAKI KXF 450 2007
KAWASAKI KXF 450 2006
YAMAHA WRF 250 2005
YAMAHA WRF 250 2004
YAMAHA WRF 250 2003
YAMAHA WRF 250 2002
YAMAHA WRF 250 2001