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  1. S

    40HP '93 MLHR 3cyl, Not running on all cyl. Electrical Prob.

    Hi, still trying to get this yam. going. It will usually run on just #3 cyl. When I unplug the thermo switch wires, #2 cyl. will also begin running. The top #1 cyl, never kicks in. After plugging the thermo switch wires back together it will often times run on #2 cyl. but not #3 cyl. anymore. I...
  2. S

    '93 40hp MLHR Yam. 3 Cylinders, strange firing situation.

    Hi this motor, new to me today, was only running on cyl #3. all three cylinders were receiving spark but #1 and #2 were not firing. cleaned out the fuel system. i then swapped the yellow # 3 wire to cyl # 1,(and vice versa) thinking #1 would come alive and #3 die. instead, #2 two started firing...
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