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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.)
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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.)
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