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18 ENGINE
18.4.17 Checking the piston ring end gap
306113-10
18.4.18 Checking the camshafts
306755-10
18.4.19 Work on the intake camshaft
306756-10
190
- Remove the piston ring from the piston.
- Place the piston ring in the cylinder and align with the piston.
Guideline
Below the upper edge of the 20 mm (0.79 in)
cylinder
- Measure end gap
f)
with a feeler gauge.
Guideline
Piston ring - end gap
Compression ring
I :5 0.40 mm (:5 0.0157 in)
Oil scraper ring
I :5 0. 70 mm (:5 0.0276 in)
If the end gap is greater than the specified measurement:
- Check/measure the cylinder. (
il!l
p. 188)
If cylinder wear lies within the specified tolerance:
- Replace the piston ring.
- Mount the piston ring with the marking facing toward the pis-
ton head.
- Check the camshaft for damage and wear.
If there is damage or wear:
- Change the camshaft.
- If the surface of the cams is damaged, check the oil
supply to the camshaft and cam lever.
- Check the autodecompressor Otar damage and wear.
If there is damage or wear:
- Change the exhaust camshaft.
- Remove lock ring
O.
- Take off bleeder plate@}.
- Remove 0-ring
8.
- Check the parts of the bleeder and replace if necessary.
- Mount the new 0-ring.
- Position bleeder plate
8.
- Mount lock ring
O.
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Содержание F2103P4
Страница 1: ...PIONEERING SINCE 1903 REPAIR MANUAL2016 FE 250 Art no 3403024en Husqvarna MOTORCYCLES ...
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