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MAINTENANCE SPECIFICATIONS
Timing chain:
Timing chain type / No. of links 90T/90 ----
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Valve, valve seat, valve guide:
Valve clearance (cold) IN 0.02 ~ 0.04 mm ----
EX 0.02 ~ 0.04 mm ----
Valve dimensions:
“A” head diameter IN 26.9 ~ 27.1 mm ----
EX 22.9 ~ 23.1 mm ----
“B” face width IN 1.1~1.5 mm ----
EX 1.1~1.5 mm ----
“C” seat width IN 0.9 ~ 1.1 mm 1.6 mm
EX 0.8 ~ 1.0 mm 1.6 mm
“D” margin thickness IN 0.65~0.95 mm ----
EX 0.65~0.95 mm ----
Stem outside diameter IN 4.97~4.985 mm 4.94 mm
EX 4.955 ~ 4.97 mm 4.925 mm
Guide inside diameter IN 5.000 ~ 5.012 mm 5.050 mm
EX 5.500 ~ 5.512 mm 5.550 mm
Stem-to-guide clearance IN 0.015 ~ 0.042 mm 0.08 mm
EX 0.030 ~ 0.057 mm 0.10 mm
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Head Diameter
B
Face Width
C
Seat Width
D
Margin Thickness
A
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