Yamaha TT-R125EY, Руководство по обслуживанию

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2-8
SPEC
MAINTENANCE SPECIFICATIONS
"A" head diameter IN 25.9 ~ 26.1 mm ----
(1.0197 ~ 1.0276 in)
EX 21.9 ~ 22.1 mm ----
(0.8622 ~ 0.8701 in)
"B" face width IN 1.1 ~ 3.0 mm ----
(0.0433 ~ 0.1181 in)
EX 1.7 ~ 2.8 mm ----
(0.0669 ~ 0.1102 in)
"C" seat width IN 0.9 ~ 1.1 mm 1.6 mm
(0.0354 ~ 0.0433 in) (0.0630 in)
EX 0.9 ~ 1.1 mm 1.6 mm
(0.0354 ~ 0.0433 in) (0.0630 in)
"D" margin thickness IN 0.4 ~ 0.8 mm ----
(0.0157 ~ 0.0315 in)
EX 0.8 ~ 1.2 mm ----
(0.0315 ~ 0.0472 in)
Stem outside diameter IN 4.975 ~ 4.990 mm 4.950 mm
(0.1959 ~ 0.1965 in) (0.1949 in)
EX 4.960 ~ 4.975 mm 4.935 mm
(0.1953 ~ 0.1959 in) (0.1943 in)
Guide inside diameter IN 5.000 ~ 5.012 mm 5.042 mm
(0.1969 ~ 0.1973 in) (0.1985 in)
EX 5.000 ~ 5.012 mm 5.042 mm
(0.1969 ~ 0.1973 in) (0.1985 in)
Stem-to-guide clearance IN 0.010 ~ 0.037 mm 0.08 mm
(0.0004 ~ 0.0015 in) (0.0031 in)
EX 0.025 ~ 0.052 mm 0.10 mm
(0.0010 ~ 0.0020 in) (0.0040 in)
Valve, valve seat, valve guide:
Valve clearance (cold) IN 0.08 ~ 0.12 mm ----
(0.0031 ~ 0.0047 in)
EX 0.10 ~ 0.14 mm ----
(0.0039 ~ 0.0055 in)
Valve dimensions:
Cam chain:
Cam chain type/No. of links SCR - 0404 SV/90 ----
Cam chain adjustment method Automatic ----
Rocker arm/rocker arm shaft:
Shaft outside diameter 9.981 ~ 9.991 mm 9.95 mm
(0.3930 ~ 0.3933 in) (0.3917 in)
Rocker arm inside diameter 10.000 ~ 10.015 mm 10.03 mm
(0.3937 ~ 0.3943 in (0.3949 in)
Item Standard Limit
B
C
D
A
Head diameter Face width
Seat width
Margin
thickness