Discussione: Regolazione Valvole 4t
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Vecchio 20 maggio 09, 12:32   #4 (permalink)  Top
skyghost
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Data registr.: 05-02-2007
Residenza: Cagliari... anzi Quartu S.E.
Messaggi: 1.760
purtroppo non ho istruzioni a riguardo..
ho letto qualcosa in inglese riguardante il Magnum (che è la stessa cosa...)

"The valve clearances are preset from the factory, but do require periodic
adjustment. Reset the valves after the first 1 hour of engine run-time.
After that, the valves can be checked and adjusted about every 8 hours of
run-time. The valves will need adjustment if you notice a severe loss of
power or after you have repaired and/or reassembled the engine.
IMPORTANT Always adjust the valves with the engine cold.
q 1) With the engine cold, remove the rocker cover on top of the cylinder
head by unscrewing the two socket-cap screws.
q 2) Rotate the crankshaft until the piston is at top-dead center. Both
valves will be closed at this point.
q 3) The required valve clearance is between .04mm and .10mm,
measured between the valve stem and the rocker arm. Use feeler gauges
to check the clearance. The .04mm feeler gauge should pass through the
gap with only slight friction. The .10mm feeler gauge should be tight.
q 4) Working with one valve at a time, loosen the locking nut, using a
small wrench. Use a screwdriver to turn the adjustment screw
counterclockwise about 1/2 turn. This will open the gap slightly. Slide the
.04mm feeler gauge between the rocker arm and the valve stem.
Carefully turn the adjustment screw clockwise until the rocker arm touches
the feeler gauge. Using a small wrench, tighten the lock nut.
q 5) Remove the feeler gauge and double check the gap. Repeat step
# 4 if necessary to achieve the correct setting, then repeat the process for
the second valve assembly".........


ed inine si parla di usare olio
afte-run
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