KOSO DOHC 双凸轮缸头呼吸口喷机油问题怎么解决

KOSO DOHC 双凸轮缸头呼吸口喷机油问题，有什么好的方法解决？
https://forum.jorsindo.com/forum.php?mod=attachment&aid=MTkwNjI2MHxhMDRiNWYzMTczZjU1NTY0YWQ1MmMwOWQzMDg2MDkzOXwxNzc2NTg5OTA5&request=yes&_f=.jpg
https://forum.jorsindo.com/forum.php?mod=attachment&aid=MTkwNjI1OXwxNGU1YjBkMmQxOWRmZTEyNDA4NmExNzg1ZmNmNGU5MXwxNzc2NTg5OTA5&request=yes&_f=.jpg
https://forum.jorsindo.com/forum.php?mod=attachment&aid=MTkwNjI1OHwyMTM1NDc4OWY3ZGU3OWQyM2E4ZDQyMThhMjgxYWE4M3wxNzc2NTg5OTA5&request=yes&_f=.jpg
https://forum.jorsindo.com/forum.php?mod=attachment&aid=MTkwNjI1N3wyYTQxNGQ5MGQwNWU0NmU1OTM0NzQzNTlhYTk5ZjAwMHwxNzc2NTg5OTA5&request=yes&_f=.jpg