Das Auslassventil klemmte offen.
Ein häufiges Problem bei den Motobecane S Bloc-Motoren, die in den Modellen Energic Motoculteur C7 und D9 verwendet werden.
Energic motoculteur moteur motobecane valve cover inside, home made gasket.
Remove the valve cover by unscrewing by hand the ridged oversize outer screw head. (check the seal). Die Originale basierten auf Kork, aber neue moderne Materialien können verwendet werden.
Energic motoculteur moteur motobecane valve stuck open.
Photo from Energic motoculteur C7 S bloc.
Just un cease the valve stem, by working right to left with WD40 or other release penetration agents. Could use penetration oil gently tap spring pin stop from right to left and back again.
Energic motoculteur moteur motobecane valve OK.
Photo from Energic motoculteur D9 S bloc.
Shimmy discs can be used to pack worn valve stem bases. Also to aid compression and timing. Dadurch bleibt der Ventilschaft immer in Kontakt mit der Stößelstange.
Removing the valves, and re-seating after grinding the engine head surface, will give a better tight fit to the valve and aid compression. The De-coke!
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Read more about Energic motoculteur C7 B4L here.
Read more about Energic motoculteur D9 B5L here.
Read more about Energic motoculteur D9 S Bloc here.
Read more about Energic motoculteur C7 S Bloc here.
Read more about Energic History here.
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