1989 Honda FL400R Pilot Service Manual, Page 169Get this manual
REAR WHEEL SUSPENSION DRIVE SHAFT Damper unit! Damper rod Compress the damper rod to inspect it for truenessIt should slide Into the case without binding Visually inspect the damper unit for dents, oil leaks or other
"}J(1)L LEAK OI
damageReplace the damper unit if necessary
Mark the damper rod at 10 mm below the case as shownPlace the damper rod on mark and measure the force required to compress thee damper unit to the 10 mm (0.4 in}mark
SPECIFIED FORCE: 13.0-19.0 kg (28.66-41.89 Ib)
If the force required is less than 12.99 kg (28.64 Ib) gas is leakingExamine the damper rod and replace the damper if the rod is