Valves - Husqvarna NUDA 900 R 2012 Workshop Manual

NUDA 900 2012/2013 - NUDA 900 R 2012/2013
Description Part

Valves

Intake valve clearance Intake valve 33 mm
Exhaust valve clearance Exhaust valve 28.5mm
Intake valve 31/33mm /
Valve stem - Permitted
Exhaust valve 27.5/28.5
unbalance
mm
Intake valve 31/33mm /
Valve seat wear Exhaust valve 27.5/28.5
mm
Intake valve - Ø valve
Intake valve 31/33 mm
stem
Exhaust valve - Ø valve E x h a u s t
stem 27.5/28.5mm
Valve guide - Wear limit
Cylinder head assy.
Ø bore
Intake valve - Valve stem Cylinder head assy. / In-
radial clearance take valve 31/33mm
Cylinder head assy.
Exhaust valve - valve
/ E x h a u s t
stem radial clearance
27.5/28.5mm
Width of the inserted,
Cylinder head assy.
intake valve seat
Width of the inserted,
Cylinder head assy.
exhaust valve seat
Workshop Manual Ed. 11-2011
WEAR LIMITS OF ENGINE PARTS
ENGINE WEAR VALUE TABLE
Measurement
point
With cold engine (max.
35°C)
With cold engine (max.
35°C)
On stem / on spring re-
tainer
Check with a ruler, the
support surface must not
be concave
v a l v e
Measured with gauge
v a l v e
F5.8
New value [mm] Wear limit [mm]
0.23 - 0.33 mm 0.23 - 0.33 mm
0.30 - 0.41 mm 0.30 - 0.41 mm
max. 0.009 mm max. 0.02 mm
max. 0.03 mm max. 0.04 mm
- -
Ø 4.973 +/- 0.007 mm min. Ø 4.950mm
Ø 4.963 +/- 0.007 mm min. Ø 4.940mm
Ø 5 H7 (0/+0.012) max. Ø 5.04 mm
0.02 - 0.046 mm max. 0.07 mm
0.03 - 0.056 mm max. 0.08 mm
1.2 +/-0.15 mm max. 1.8 mm
1.4 +/-0.15 mm max. 2.2 mm
Remarks