Yamaha 2008 Raptor 250, Руководство по обслуживанию

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SPEC
2-5
Item Standard Limit
Valve, valve seat, valve guide
Valve clearance (cold) IN 0.05 ~ 0.10 mm (0.0020 ~ 0.0039 in) • • •
EX 0.10 ~ 0.15 mm (0.0039 ~ 0.0059 in) • • •
Valve dimensions
“A” head diameter IN 33.90 ~ 34.10 mm (1.3346 ~ 1.3425 in) • • •
EX 28.40 ~ 28.60 mm (1.1181 ~ 1.1260 in) • • •
“B” face width IN 2.26 mm (0.0890 in) • • •
EX 2.26 mm (0.0890 in) • • •
“C” seat width IN 0.90 ~ 1.10 mm (0.0354 ~ 0.0433 in) 1.6 mm
(0.06 in)
EX 0.90 ~ 1.10 mm (0.0354 ~ 0.0433 in) 1.6 mm
(0.06 in)
“D” margin thickness IN 0.80 ~ 1.20 mm (0.0315 ~ 0.0472 in) • • •
EX 0.80 ~ 1.20 mm (0.0315 ~ 0.0472 in) • • •
Stem outside diameter IN 5.975 ~ 5.990 mm (0.2352 ~ 0.2358 in) 5.945 mm
(0.234 in)
EX 5.960 ~ 5.975 mm (0.2346 ~ 0.2352 in) 5.930 mm
(0.233 in)
Guide inside diameter IN 6.000 ~ 6.012 mm (0.2362 ~ 0.2367 in) 6.050 mm
(0.238 in)
EX 6.000 ~ 6.012 mm (0.2362 ~ 0.2367 in) 6.050 mm
(0.238 in)
Stem-to-guide clearance IN 0.010 ~ 0.037 mm (0.0004 ~ 0.0015 in) 0.080 mm
(0.003 in)
EX 0.025 ~ 0.052 mm (0.0010 ~ 0.0020 in) 0.100 mm
(0.004 in)
Valve stem runout • • • 0.01 mm
(0.0004 in)
Valve seat width IN 0.90 ~ 1.10 mm (0.0354 ~ 0.0433 in) 1.6 mm
(0.06 in)
EX 0.90 ~ 1.10 mm (0.0354 ~ 0.0433 in) 1.6 mm
(0.06 in)
Head Diameter Face Width Seat Width Margin Thickness
ENGINE SPECIFICATIONS