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16-2 TIGHTENING TORQUE
ITEM
Tightening Torque
Nm kgfcm ftlb.
Cylinder head bolts
M8×68flangebolt
Re-use 25.0 - 27.0 250 -270 18.1 - 19.5
When replace to new
cylinder head and
flange bolts
28.0 - 30.0 280 - 300 20.3 - 21.7
M8 × 35 flange bolt 17.0 -19.0 170 - 190 12.3 - 13.7
Connecting rod cap
bolts
EX13,17,21 13.0 - 15.0 130 - 150 9.4 - 10.8
EX27 17.0 - 20.0 170 - 200 12.3 - 14.5
Flywheel nut 59.0 - 64.0 590 - 640 42.7 - 46.3
Main bearing cover bolts 22.0 - 24.0 220 - 240 16.2 - 17.7
Spark plug
New 12.0 - 15.0 120 - 150 8.7 - 10.8
Re-tightening 23.0 - 27.0 230 - 270 16.6 - 19.5
Muffler nut 18.0 - 22.0 180 - 220 13.0 - 15.9
Ignition coil 7.0 - 9.0 70 - 90 5.1 - 6.5