DF40/50 “K7” (’07) MODEL 13
TIGHTENING TORQUE
* Tightening torque has been changed
Tightening torque – Important fasteners from the 2007 year model.
ITEM
THREAD
DIAMETER
TIGHTENING TORQUE
N·m kg-m Ib-ft
Cylinder head cover bolt 6 mm 10 1.0 7.0
Cylinder head bolt 10 mm 60 6.0 43.5
Crankcase bolt 8 mm 25 2.5 18.0
10 mm 46 4.6 33.5
Conrod cap nut 8 mm 35 3.5 25.5
Camshaft housing bolt 6 mm 10 1.0 7.0
Camshaft timing sprocket bolt 6 mm 10 1.0 7.0
Timing chain guide bolt 6 mm 10 1.0 7.0
Intake manifold bolt/nut 6 mm 11 1.1 8.0
8 mm 23 2.3 16.5
Oil pressure switch — 13 1.3 9.5
Intake manifold fuel main gallery 3-way joint bolt 6 mm 10 1.0 7.0
Upper/
lower plug
— 35 3.5 25.5
Low pressure fuel pump bolt 6 mm 10 1.0 7.0
Thermostat cover bolt 6 mm 10 1.0 7.0
Flywheel bolt 14 mm 170 17.0 123.0
Starter motor mounting bolt 6 mm 10 1.0 7.0
8 mm 23 2.3 16.5
Engine oil filter — 14 1.4 10.0
Engine oil drain plug 12 mm 13 1.3 9.5
Power unit mounting bolt/nut 8 mm 23 2.3 16.5
10 mm 50 5.0 36.0
Driveshaft housing bolt 10 mm 50 5.0 36.0
Upper mount nut 12 mm 80 8.0 58.0
Upper mount cover bolt 8 mm 23 2.3 16.5
Lower mount nut 12 mm 80 8.0 58.0
Clamp bracket shaft nut 22 mm 43 4.3 31.0
*Tiller handle mounting stud bolt 10 mm 25 25 18.0
*Tiller handle mounting lock nut 10 mm 50 5.0 36.0
Tiller handle pivot bolt 10 mm *25 *2.5 *18.0
Tiller handle pivot nut 10 mm 45 4.5 32.5
Water pump case nut 6 mm 8 0.8 6.0
Gearcase bolt 8 mm 23 2.3 16.5
Propeller shaft bearing housing bolt 8 mm 17 1.7 12.5
Pinion nut 12 mm 50 5.0 36.0
Propeller nut 18 mm 55 5.5 40.0
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