Öhlins is recalling its TTX36 aftermarket rear shock absorbers. The recall affects 964 shocks in the U.S. including some batches of the TTX GP, TTX RT and TTX36 MKII, produced from Nov. 9, 2013 to Feb. 20, 2015.

According to Öhlins, the piston-shaft nut in some shocks may come loose, resulting in a loss of damping and potentially causing the shock absorber to come apart. Öhlins explains it used a different method to clean top-out spring guides that resulted in higher friction. This prevents the piston from reaching its intended final position, full metal-to-metal contact with the guide.

040215-ohlins-TTX36-diagram

Öhlins will notify owners and dealers will secure the piston-shaft nut to the proper torque. Owners are advised not to ride their motorcycles until the remedy has been completed.

The shocks affected by the recall fit the following motorcycles:

  • Aprilia RSV4
  • BMW S1000RR
  • BMW HP4
  • BMW S1000R
  • BMW R1200GS
  • Ducati 899 Panigale
  • Ducati 1199 Panigale
  • Ducati 1198
  • Ducati Multistrada 1200
  • Honda CBR600RR
  • Honda CBR1000RR
  • Kawasaki Ninja ZX-10R
  • Kawasaki Ninja ZX-6R (599cc and 636cc)
  • Suzuki Hayabusa
  • Suzuki GSX-R600
  • Suzuki GSX-R750
  • Suzuki GSX-R1000
  • Triumph Daytona 675
  • Triumph Daytona 675R
  • Yamaha R6
  • Yamaha R1

[Source: Öhlins, NHTSA]