Head; Crankshaft; Crankshaft Straightness - Husqvarna CR 125 2011 Workshop Manual

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Workshop Manual Ed. 06-2011
ENGINE OVERHAUL
CR 125 2011 - WR 125 2011

Head

Remove carbon deposits from the combustion chamber. Make sure that there
is no cracking and that the sealing surfaces do not feature scoring, dents or
any other kind of damages. Flatness must be perfect as well as spark plug seat
threading.
H06576

Crankshaft

Main journals should show no scoring or scuffing. Threads, keyways and
splines must be in good condition.

Crankshaft straightness

less than 0.02 mm
H06577
To disassemble crankshaft, use a support and suitable punches.
On reassembly, comply with the specified tolerances.
Assemble the coupling pin into the flywheel-halves with an
oil having a C=3 ENGLER viscosity at 50°(cSt viscosity at
1
40°C=32).
Loosen screw (2) and remove the pads (1).
On reassembly, tighten the screws (2) with Loctite 270.
H06626
G.12
3
Standard
(0.00078 in.)
3
Max. wear limit
0.05 mm
(0.0019 in.)