Compression (all models)

Cylinder compression (standard)
XL600R 12.5 kg/cm2 (175 psi)
XR600R
1985 through 1987 12.5 +1- 1.5 kg/cm2 (175 +1- 21 psi)
1988 on
Decompressor applied 5 +1- 1 kg/cm2 (71 +1- 14.2 psi)
Decompressor not applied 14 +/- 1 kg/cm2 (200 +/-14.2 psi)
XR650L
Decompressor applied 6.5 +1- 1 kg/cm2 (92 psi)
Decompressor not applied 14 +1- 1 kg/cm2 (200 psi)
XR650R
Decompressor applied 6.12 kg/cm2 (87 psi)
Decompressor not applied 11.22 kg/cm2 (160 psi)