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150 MERC 1989 HARD TO START

joker

Member
"this is a new one on me my mo

"this is a new one on me my motor is really hard to turn over even with the plugs out.
the starter is struggling to start the motor
it will start and then die at idle i can rev it
and keep it running but low rpm wont stay running
compression is 125 on each cylinder, good spark volume just rebuilt carbs and fuel pump.
the cylinders are getting gas, brand new battery everything seems to be in order other than the motor just seems to tight."
 
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