1986-1988 Honda TRX 200SX Fourtrax Service Manual, Page 36Get this manual
MAINTENANCE Align the toe -Jn gauge with the marks on the tires as shown Check the readings on the gaugescales Slow ly ve the vehicle back until the wheels have tu rned 180 so he marks on the tires are aligned with the gauge height on the rear Side
(2TOE -IN GAUGE Commerciall available In US )