Husqvarna TE 250-310 2012 I.E. Workshop Manual page 144

ENGINE OVERHAUL
TE 250 - 310 2012 I.E. / TE 250 - 310 2012 I.E. USA
TC 250 2012 - TC 250 2012 I.E. USA
TXC 250 - 310 2012 I.E. USA
Sommario
Cleaning parts ............................................................................................. G.3
Clearances .................................................................................................. G.3
Cylinder head .............................................................................................. G.3
Valve seat refacing ...................................................................................... G.4
Valve ............................................................................................................ G.5
Valve spring (TE-TXC) ................................................................................. G.5
Valve bucket inspection (TE-TXC) ............................................................... G.6
Rocker arm check (TC) ............................................................................... G.6
Valve installation .......................................................................................... G.7
Valve leak check .......................................................................................... G.8
Camshaft ..................................................................................................... G.9
Timing chain and gears ............................................................................... G.9
Timing chain tensioners ............................................................................... G.9
Cylinder ..................................................................................................... G.10
Piston......................................................................................................... G.10
Cylinder to piston clearance (TE-TXC) .......................................................G.11
Piston diameter...........................................................................................G.11
Piston pin ....................................................................................................G.11
Piston rings (TE-TXC) ............................................................................... G.12
Piston ring to cylinder clearance................................................................ G.12
Piston ring to cylinder clearance................................................................ G.12
Piston ring to groove clearance ................................................................. G.13
Piston pin to small end clearance (A) ........................................................ G.13
Big end axial clearance (B)........................................................................ G.13
Big end axial clearance ............................................................................. G.13
Crankshaft ................................................................................................. G.14
Crankshaft straightness ............................................................................. G.14
Crankshaft ................................................................................................. G.14
Clutch ........................................................................................................ G.15
Friction plate to clutch housing clearance ................................................. G.16
Clutch spring.............................................................................................. G.16
Oil pump .................................................................................................... G.18
Shifter forks and gears .............................................................................. G.19
Selector drum ............................................................................................ G.19
Drive bushing roundness ........................................................................... G.19
Workshop Manual Ed. 12-2011
G.2