1995-2003 Honda Foreman TRX400FW TRX400 TRX 400 400FW Service Manual, Page 128Get this manual
CYLINDER HEAD CYLINDER PISTON MeMItetlMo diameter olthpiltOn fI- 2fI mm 10.11.0 Inl
from lIMo bonom.nd 90 Mgr_IO Ihe pi5l0n pin hole
SE RVICE UMIT: 85.90 mm Il .3811nl
MeI'Url Ihe piston pin bore
SERVICE UMlT: 19.111 mm 10.751 In)
MHlU.1 lhe 0.0of he pl5I0II pin
SERVICE lIMIT: 18.96 mm 10","1