Service Manual — page 259 of 715

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ENGINE TOP END 5-9
Specifications

            Item                            Standard                       Service Limit
Cylinder, Pistons
 Cylinder Inside Diameter    76.994 ∼ 77.006 mm (3.0313 ∼ 3.0317 in.)   77.09 mm (3.035 in.)
 Piston Diameter             76.974 ∼ 76.984 mm (3.0305 ∼ 3.0309 in.)   76.82 mm (3.024 in.)
 Piston/Cylinder Clearance   0.010 ∼ 0.032 mm (0.0004 ∼ 0.0013 in.)            – – –
 Piston Ring/Groove
 Clearance:
    Top                      0.03 ∼ 0.07 mm (0.0012 ∼ 0.0028 in.)       0.17 mm (0.0067 in.)
    Second                   0.02 ∼ 0.06 mm (0.0008 ∼ 0.0024 in.)       0.16 mm (0.0063 in.)
 Piston Ring Groove Width:
    Top                      0.82 ∼ 0.84 mm (0.0323 ∼ 0.0331 in.)       0.92 mm (0.0362 in.)
    Second                   0.81 ∼ 0.83 mm (0.0319 ∼ 0.0327 in.)       0.91 mm (0.0358 in.)
 Piston Ring Thickness:
    Top                      0.77 ∼ 0.79 mm (0.0303 ∼ 0.0311 in.)       0.70 mm (0.028 in.)
    Second                   0.77 ∼ 0.79 mm (0.0303 ∼ 0.0311 in.)       0.70 mm (0.028 in.)
 Piston Ring End Gap:
    Top                      0.20 ∼ 0.30 mm (0.0079 ∼ 0.0118 in.)        0.6 mm (0.024 in.)
    Second                   0.38 ∼ 0.48 mm (0.0150 ∼ 0.0189 in.)        0.8 mm (0.031 in.)