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97 Mariner Magnum Spark Plugs

zero_tolerance

New member
"Just wanted to make sure i wa

"Just wanted to make sure i was getting the right plugs for my outboard. i have NGK BUHW-2? are these the proper plugs? I took it out on a test ride after replacing the stator and i am still having the same problem. From a cold start it will pick up rpm (not as fast as it should) until i ease off the throttle then its back to bogging. I took the plugs out and gave them a good cleaning, took it out again and same thing, picks up until i let off. I had some 50:1 mix in the tank and the oil injection is working on the motor, it is smoking quite a bit and the plugs get dirty real fast. I will try with new plugs to see if this will fix my problem. On another note... when i try to throttle up it does sound like a fouled plug as it runs with a miss. Would the switchbox make it act this way or could this be a faulty coil?

Cheers

Rog"
 
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