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11.9
Piston rings
1st groove Rectangular-section
Height mm (in) 1.175…1.190 (0.0462…0.0469)
Wear limit mm (in) 1.100 (0.0433)
Ring gap mm (in) 0.20…0.40 (0.0079…0.0157)
Wear limit mm (in) 1.50 (0.059)
Side clearance mm (in) 0.040…0.075 (0.0016…0.0030)
Wear limit mm (in) 0.30 (0.0118)
2nd groove Micro-chamfer
Height mm (in) 1.178…1.190 (0.0464…0.0469)
Wear limit mm (in) 1.100 (0.0433)
Gap mm (in) 0.10…0.30 (0.0039…0.0118)
Wear limit mm (in) 0.300 (0.0118)
3rd groove Equal-chamfer ring with tubular
spring
Height mm (in) 2.475…2.490 (0.0974…0.0980)
Gap mm (in) 0.20…0.45 (0.0079…0.0177)
Wear limit mm (in) 1.50 (0.0591)
Side clearance mm (in) 0.020…0.055 (0.0008…0.0022)
Wear limit mm (in) 0.30 (0.0118)
Installed direction of piston rings Top marking facing up (grooves 2 and 3)
Piston pin
Piston pin dia. mm (in) 18 (0.7087)
-0.004 (0.0002)
Wear limit mm (in) 17.96 (0.7071)
Bore dia. in piston mm (in) 18.002…18.006 (0.7087…0.7089)
Play in piston mm (in) 0.002…0.010 (0.00008…0.00039)
Play in conrod mm (in) 0.006…0.021 (0.00024…0.00083)
Wear limit mm (in) 0.060 (0.00236)
Technical data K 1100 LT K 1100 RS