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Compression spec on 1999 150 2 stroke

"Preferably 130 PSI, as low as

"Preferably 130 PSI, as low as 110. Should not vary by more than 5 PSI across all cyl. Do a hot and cold run. Remember to ground the plug wires to avoid frying the CDM units... There is a device avail for this purpose, or pull kill switch.
All plugs should be out for motor to swing nicely, wide open throttle when reading guage."
 
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