1998-2000 Yamaha WaveRunner GP800 Factory Service Manual, Page 79Get this manual
IpOWRlal_E_N_G_IN_E_U_N_IT_ c_r_: SERVICE POINTS
Shim removal 1Remove:
To ease reassembly and coupling alignment, remove the shims and organize them in their respective groups (e.g front right, rear left) prior to removing the mounting bolts