How much faster is a 525exc than a wr450?

One thing really bothered me with them Berg`s.. The norwegian importer for Husaberg, says these engines has a 100hr service, that includes splitting engine, changing bearings and splitting crank for rod bearing change..
Well, they're selling them with a warrenty now and the newer ones, if not XR's, are apparantly as durable and reliable as any racing four stroke type.
One thing really bothered me with them Berg`s.. The norwegian importer for Husaberg, says these engines has a 100hr service, that includes splitting engine, changing bearings and splitting crank for rod bearing change..

I take it you haven't read the Yamaha manual............

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