I HAD THAT ON MY 340 made noise on startup would go away after 5 or 10 minutes , changed lifters twice different brands not from China had the same problem for 7 years 15,000 km was using royal purple 10-40 xrp synthetic . nothing everwent wrong in all those years and miles , just that PIA noise at startup . now using hughes roller lifters and cam/rockers , no more noise
