acura Workshop Repair Guides

Acura (Honda) Workshop Service and Repair Manuals

Cylinder Head Assembly > < Piston, Engine|Specifications
Page 1
background image

Piston Ring: Specifications

Piston

Ring groove width

Top

Standard or New ......................................................................................................................................  1.240 - 1.250 mm (0.0488 - 0.0492 in.)
Service Limit ..........................................................................................................................................................................  1.27 mm (0.050 in.)

Second

Standard or New ......................................................................................................................................  1.220 - 1.230 mm (0.0480 - 0.0484 in.)
Service Limit ..........................................................................................................................................................................  1.25 mm (0.049 in.)

Oil

Standard or New ......................................................................................................................................  2.805 - 2.825 mm (0.1104 - 0.1112 in.)
Service Limit ..........................................................................................................................................................................  2.85 mm (0.112 in.)

Piston ring

Ring-to-groove clearance

Top

Standard or New ......................................................................................................................................  0.055 - 0.080 mm (0.0022 - 0.0031 in.)
Service Limit ..........................................................................................................................................................................  0.15 mm (0.006 in.)

Second

Standard or New ......................................................................................................................................  0.030 - 0.055 mm (0.0012 - 0.0022 in.)
Service Limit ..........................................................................................................................................................................  0.13 mm (0.005 in.)

Ring end gap

Top

Standard or New ..............................................................................................................................................  0.20 - 0.35 mm (0.008 - 0.014 in.)
Service Limit ..........................................................................................................................................................................  0.60 mm (0.024 in.)

Second

Standard or New ..............................................................................................................................................  0.40 - 0.55 mm (0.016 - 0.022 in.)
Service Limit ..........................................................................................................................................................................  0.70 mm (0.028 in.)

Oil

Standard or New ..............................................................................................................................................  0.20 - 0.70 mm (0.008 - 0.028 in.)
Service Limit ..........................................................................................................................................................................  0.80 mm (0.031 in.)

Cylinder Head Assembly > < Piston, Engine|Specifications