Variator broken?
Hi everyone, I recently bought a scooter (a derestricted AGM Fighter 50 One) and because I saw that it had already done 18,500km, I replaced the piston and cylinder, cleaned the carburetor, and had the carburetor adjusted. However, when I ride the scooter on a straight road, it only accelerates very slowly (it pulls very well when it's cold), and when it's warm, it hardly pulls at all. The scooter has now done 19,500km. DH I've been struggling with this problem for 1,000km.
Kind regards
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Remote diagnosis is quite difficult.
How do the shaft sealing rings look?
Are they dry?
Have you changed the camps before or the previous owner?
After a long time, the sealing rings will be very leaky and the shaft bearings will not last forever.
Then the roller draws false air and cannot unfold the usual performance or it does not run anymore.
Also check the other seals cylinder head and foot as well as flange on the exhaust.