I'd be surprised, since my head bearings are only 7000 miles old, having been changed when I fitted the WP forks. A quick check with the front end in the air didn't reveal any resistance. I'll probably pull them and regrease at some point, but at the moment my suspicion is still with the tyres.

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I spent a lot of money on travel and racing motorcycles - the rest I just squandered.

XT660Z - Commuter, Adventurer...Racer?

www.dashmoto.net

Other bikes >> MT-03 / CG125BR-J / ER-6F
Departed >> ZXR400L3 / EC300 / DR-Z400E / DR800S / GPZ500S / GS400