Yanmar YM head bolts | Tightening torques

Yanmar YM1510 3T75U, YM226.

Valves.006, + 15.25mm

Head bolts 29, 58, finally 72 to 79 ft lbs. =in nm 39.3nm, 78nm, 97-107.2nm

Cylinder head assist bolts 22 ft. lbs.

2T73U | 2TR13A

Head bolts 29, 58, finally 114-116 ft lbs. = 15.5-16.0Kg-M

Yanmar YM head bolts | tightening torques | Shop4Trac

Yanmar YM head bolts | tightening torques | Shop4Trac

 

Yanmar TNE Series
Main Bearing bolt torque

2TNE68, 3TNE68 (M9x1.25)
53-57 Nm
3TNE74 (M10x1.25)
80-85 Nm
3TNE78A, 3TNE82A (M10x1.5)
78-82 Nm
3TNE82, 4TNE82
3TNE84T, 4TNE84T
3TNE88, 4TNE88 (M12x1.5)
98-102 Nm

Yanmar TNE Series
Connecting Rod Bolt Torque

2TNE68, 3TNE68 (M7x1.0)
23-28 Nm
3TNE74 (M7x1.0)
23-28 Nm
3TNE78A, 3TNE82A (M8x1.0)
38-42 Nm
3TNE82, 4TNE82
3TNE84T, 4TNE84T
3TNE88, 4TNE88 (M9x1.0)
45-55 Nm

 

Yanmar TNE engines Cylinder Head Bolt Torques
2TNE68, 3TNE68 (M8x1.25)
38-42 Nm
3TNE74 (M9x1.25)
60-65 Nm
3TNE78A, 3TNE82A (M9x1.25
68-72 Nm
3TNE82, 4TNE82
3TNE84T, 4TNE84T
3TNE88, 4TNE88 (M10x1.25
87-93 Nm

Yanmar YM head bolts | Tightening torques | Shop4Trac

Yanmar YM head bolts | Tightening torques | Shop4Trac

Yanmar YM head bolts | Tightening torques | Shop4Trac

Yanmar YM head bolts | Tightening torques | Shop4Trac

Yanmar YM head bolts | Tightening torques | Shop4Trac

Yanmar YM head bolts | Tightening torques | Shop4Trac

Information continues to be completed. Or for questions feel free to ask!

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