Ventile haben sich nach 200km wieder verstellt Ursachen?

Ich habe einen 50ccm 4 Takt Matador Roller da die Ventile nach 9000 km verstellt waren (schlechte Beschleunigung springt schlecht an) habe ich sie eingestellt. Roller ist im Stand nicht ausgegangen hat wieder normal beschleunigt….. jetzt bin ich circa 200 km mit den neu eingestellten Ventile gefahren und sie haben sich wieder verstellt… woran könnte es liegen?

Danke für jede Hilfe

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Maxschmeling
5 years ago

Hello who you check the valve game and re-adjust it and after a short time the ventiel game does not fit again you should take the cylinder head down and check whether the valves have already entered the seat, who yes, milling the valve seat and re-instruct the valves against everything and checking whether they are properly sealed and disassembled. Warning in the case of the ventiele does not set the lock nut to the rocker lever too tightly rupture danger. And of course, the screws in the rocker levers check whether they have not yet deformed otherwise replace. is not very much work but after that the engine goes back as new. lg max

checkpointarea
5 years ago

I used to, but on a Piaggio 50s with 40,000 km. The valve seat was incorporated, the valve was barely conical. It was possible to adjust it perfectly, and a few km later it hardly jumped on because the compression decreased. In the end, only a new cylinder head has helped.

wildpark7
5 years ago

To you – to whom?.

wildpark7
5 years ago
Reply to  Lukas380

You didn’t do the work properly..

wildpark7
5 years ago
Reply to  Lukas380

I wasn’t there- valves are set cold. It starts.

wildpark7
5 years ago

Gaskets renewed – what I know everything.