Yamaha XC200T Service Manual page 222

SPEO,F,OAT,ONS
Model XC200T
"A" Head Dia. IN. 30.9r-31,1 mm (1.217-1.224 in)
EX. 25.9-26.1 mm (1.020 - 1.028 in)
"B" Face Width IN. 1.7-2.9 mm (0,067 - 0.114 in)
EX. 1.7-2.9 mm (0,067-0.114 in)
"C" Seat Width IN, 0.9-1.1 mm (0.035 - 0.043 in)
EX. 0.9- 1.1 mm (0.035- 0.043 in)
<Limit> IN. <1.4 mm (0.055 in)>
EX. < 1.4 mm (0.055 in) >
"'D'" Margin Thickness IN. 0.8_ 1.2 mm (0.031-0.047 in)
EX. 0,8-1,2 mm (0.031 .-0,047 in)
<Limit> IN. <0,7 mm (0.028 in)>
EX, <0.7 mm (0.028 in)>
Stem Outside Dia. IN. 5.978-5.990 mm (0.2354~0.2358 in)
EX. 5.963-5.975 mm (0,2348 - 0.2352 in)
< Limit> IN. <5.945 mm (0.234 in) >
EX. <5.920 mm (0.233 in)>
Guide Inside Dia, IN. 6.000 - 6.012 mm (0.2362_0,2367 in)
EX. 6.000 _ 6,012 mm (0.2362~0.2367 in)
< Limit> IN. <6.05 mm (0.238 in)
EX. <6.05 mm (0.238 in)>
Stem-to-Guide Clearance IN. 0.010 _ 0.034 mm (0.0004_0.0013 in)
EX. 0.025 _ 0.049 mm (0,0010-0.0019 in)
<Limit> IN. <0.08 mm (0.0031 in)>
EX. <0.10 mm (0,0039 in)>
Stem Runout Limit <0.01 mm (0.0004 in)>
Valve Seat Width IN, 0.9-1.1 mm (0.035 _ 0.043 in)
EX. 0_9-1,1 mm (0.035 _ 0.043 in)
Valve Spring:
Inner Spring:
Free Length IN. 35,50 mm (1.398 in)
EX. 35.50 mm (1,398 in)
Set Length (Valve Closed) IN. 30.5 mm (1.20 in)
EX. 30.5 mm (1.20 in)
Compression Force (Valve Closed) IN. 8.4_10.2 kg (18,5_22,5 Ib)
H EX. 8.4_ 10.2 kg (18.5_2_5 Ib)