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I have a 1999 40 horse 2 cycle that won't start cold unless you use the emergency start lever, then it starts fine for the rest of the day. I have power to the prime start assy when cranking and took the assy off and applied direct 12v to it and nothing happens. Is it supposed to act like a solenoid and open or close when power applied? Any help would be greatly appreciated
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see if this thread helps you understand the system better
http://www.yamahaoutboardparts.com/f...n-th11452.html
Depends on how you are trying to start the motor when cold
pump primer bulb until firm, just turn the key for a few seconds without opening fast idle lever, , and repeat the turn of key if needed.
Should start with 2 or 3 3-5 second turns of key.
If not there is something plugging up the passages in prime start systemLast edited by 99yam40; 06-10-2014, 07:30 AM.
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