Usually when carbon gets worn out, the armature will not be properly pressed by carbon which will cause improper current flow and will cause the bike to jerk as when carbon disconnects. Get the pump repaired from dynamo mechanic.
Those dynamo mechanic knows a lot and are expert in repairing the armature.


How could i really find out how much fuel is still left? As its with FI, i do not want to run it with the risk of empty/insufficient fuel tank.
to check fuel quantity



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