142-199 psi or (1,000-1,400 kPa) is the “normal compression” range.
114 psi or (800 kPa) is the minimum compression required to technically run the motor at all, & anything below that requires servicing. 170 psi or (1,170 kPa) with proper valve clearance is the sweet spot.
Source: Repair manual, pg. 10, “tune-up specifications”.
1990 Suzuki 250 LT 4wd Compression
in Suzuki ATV Forum
Posted
142-199 psi or (1,000-1,400 kPa) is the “normal compression” range.
114 psi or (800 kPa) is the minimum compression required to technically run the motor at all, & anything below that requires servicing. 170 psi or (1,170 kPa) with proper valve clearance is the sweet spot.
Source: Repair manual, pg. 10, “tune-up specifications”.
Hope this helps someone.