But under all conditions the front end is solid. Barely dibes on hard braking. I put the bike on center stand and ratchet strapped the rear down to lift the front tire. And there is no binding or play anywhere. He gave me reciepts for the front end and it was a complete swap. Plus the reciepts for the new SHBs, wheel bearings, fork seals, dust boots, and progressive springs.
Plus i am a honors graduate from a motorcycle tech school. I know what to check, how to check it and how to service all this stuff. As well as a PA motorcycle state inspector. So it all checks out wear and condition wise.
This head shake is baffling though.
Reason i ask is i googled and recieved results from the old gsr.com amd it stated some older heavy big 4s were known to have head shakes from the factory, just trying to find out why as my searches were inconclusive with an answer.
Good example in a Homda CBR954RR. They have a bad head shake from factory due to power on a light bike and the front end lifting and unloading slightly. And the only cure for that other than a damper is to power through it.
But since were on topic. Would a damper help this or should i just find a front end from a newer gsxr and swap out. And ditch the brat style and make it a modernized restomod cafe build. Then swap these newly eebuild 550 forks onto my 550.
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