Does foreign matter falling into the gear shift area have any impact?

[DiAlaina]

Foreign matter falling into the gear shift area does have an impact. Severe wear of the synchronizer: When the synchronizer engagement sleeve lock ring and sliding block are severely worn, with the high-speed rotation of various components, the synchronizer is highly likely to break through the locking force of the self-locking device, thereby sliding out of the engagement gear ring, leading to gear disengagement in the transmission. Severe wear of the operating lever or shift fork: If the operating lever or shift fork is severely worn, the shift fork may be unable to move the synchronizer to the engagement position, resulting in the synchronizer failing to perfectly mesh with the engagement sleeve. With high-speed rotation, the synchronizer is highly likely to slide out of the engagement sleeve, causing gear disengagement in the transmission.