Chain Tensioning Slider Installation; Main Split Bearing Installation; Crankshaft Installation - Husqvarna NUDA 900 R 2012 Workshop Manual

NUDA 900 2012/2013 - NUDA 900 R 2012/2013
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CRANKCASE DISASSEMBLY

Chain tensioning slider installation

- Clean the threading.
- Insert the chain tensioner slider (2) and tighten the screw (1) to the required
torque.
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2
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Main split bearing installation

- Turn the upper crankcase of the engine and support the pistons inside the
cylinders.
- Check the split bearings for wear or breakage and replace them if necessary.
- Clean the split bearings and the relevant seats.
The lubrication holes of the split bearings must be located above
the oil channels.
- Fit all the split bearings in pairs, inserting the prongs in the respective seats.
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If the crankshaft is replaced, also replace the main split bearings.

Crankshaft installation

- Clean the sealing surfaces.
- Before fitting the crankshaft (2) lubricate all supporting points with engine oil.
- Insert the crankshaft (2), positioning the timing chain (1) on the crankshaft
gear.
- Pay attention to the direction of rotation of the timing chain.
- Check the correct housing of the cylinder connecting rods on the crankshaft.
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F3.15
Workshop Manual Ed. 11-2011