2 - 6 ENGINE SPECIFICATIONS SPEC Item Standard Limit Timing chain Model/number of links Tensioning system 98XRH2010/126 Automatic ---- ---- Rocker arm/rocker arm shaft Rocker arm inside diameter Shaft outside diameter Arm-to-shaft clearance Rocker-arm-to-rocker-arm-shaft clearance 12.000 ~ 12.018 mm (0.4724 ~ 0.4731 in) 11.981 ~ 11.991 mm (0.4717 ~ 0.4721 in) 0.009 ~ 0.037 mm (0.0004 ~ 0.0015 in) 0.009 ~ 0.037 mm (0.0004 ~ 0.0015 in) ---- ---- ---- ---- Valve, valve seat, valve guide Valve clearance–intake (cold) 0.09 ~ 0.13 mm (0.0035 ~ 0.0051 in) ---- Valve clearance–exhaust (cold) 0.16 ~ 0.20 mm (0.0063 ~ 0.0079 in) ---- Valve dimensions B C D A Head Diameter Face Width Seat Width Margin Thickness Valve head diameter “A” Intake 37.90 ~ 38.10 mm (1.4921 ~ 1.5000 in) ---- Exhaust 31.90 ~ 32.10 mm (1.2559 ~ 1.2638 in) ---- Valve face width “B” Intake 2.26 mm (0.0890 in) ---- Exhaust 2.26 mm (0.0890 in) ---- Valve seat width “C” Intake 1.00 ~ 1.20 mm (0.0394 ~ 0.0472 in) 1.60 mm (0.0630 in) Exhaust 1.00 ~ 1.20 mm (0.0394 ~ 0.0472 in) 1.60 mm (0.0630 in) Valve margin thickness “D” Intake 0.80 ~ 1.20 mm (0.0315 ~ 0.0472 in) ---- Exhaust 0.80 ~ 1.20 mm (0.0315 ~ 0.0472 in) ---- Valve stem diameter Intake 5.975 ~ 5.990 mm (0.2352 ~ 0.2358 in) 5.945 mm (0.2341 in) Exhaust 5.960 ~ 5.975 mm (0.2346 ~ 0.2352 in) 5.930 mm (0.2335 in) Valve guide inside diameter Intake 6.000 ~ 6.012 mm (0.2362 ~ 0.2367 in) 6.050 mm (0.2382 in) Exhaust 6.000 ~ 6.012 mm (0.2362 ~ 0.2367 in) 6.050 mm (0.2382 in)