Moto Grand Prix
Main Motorcycle: 2003 Sprintabusa ST
Mile High Moderator
Join Date: Jun 2014
Location: Parker, CO USA
Other Motorcycle: 2016 Speed Triple
Extra Motorcycle: 2003 Sprint ST - Sapphire
Headshake/mild tank slapper issue
During my recent road trip, I experienced something that I hadn't before, on my Sprint. When I approached semi trucks from behind, the bike would develop a headshake, and make the bike "wag." If I moved over to pass, this basically went away. I could repeat the effect consistently.
I am not sure if it is due to the changed geometry of the bike with the USD fork conversion, stiffer springs, or the fork or shock settings on the bike. I DO have the rear eccentric flipped (lower) since the fork conversion also lowered the front.
This only happened when I was in the turbulence of a semi truck.
Sent from my SM-G950U using Tapatalk
I probably need an intervention because of the bikes that keep 'following' me home. Current garage:
2001 Daytona 955i, 2 yes two, 2003 Sprint 955i STs (spouse rides one), 2016 Speed Triple, 2001 Kawasaki ZRX 1200R