2009/2010 left crankcase cover interchangeability


Will the 2009 left crankcase cover fit the 2010 CRF450R?

Their Honda #'s are 11340-MEN-A30 (2009) and 11340-MEN-A40 (2010).

Thanks! :smirk:

They are interchangeable! :ride:

What's the difference?

It's probably been reinforced for 2010. A friend of mine had 3 ignition covers crack on his 09.

I just heard that, due to the problems with the 2009 & 2010 magnesium covers, Honda changed to aluminum for 2011 (while 2009-2011 are interchangeable).

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