mr_cute32208
04-12-2007, 11:08 PM
:machinegu :boom Whats up everyone, I have a 99 R1 and I just had the head rebuilt. The compression check read 150 pounds across all 4 cylinders. Is that good compression for my year motor, also what is the stock compression should be for that year motor. Thanks
PyRo1509
04-13-2007, 03:12 AM
Service manual says 210 psi @ 400 rpm @ sea level
Min Recommended is 195psi
Compression pressure (at sea
level)
Minimum
1,350 kPa (13.5 kg/cm2,
13.5 bar)
Standard
1,450 kPa (14.5 kg/cm2,
14.5 bar)
Maximum
1,500 kPa (15.0 kg/cm2,
15.0 bar)
PM me if you want the Service Manual