yahama 70

[maryhislop]

I am replacing the spark plugs on my outboard motor. I dont have a manual for my yahama 70. Can you tell me what the gap should be?

 

[MCook]

Re: yahama 70

Your gap should be .039 inch. If you are using the correct plug the factory gap is good, but it doesn't hurt to check it. Also you should really go invest in a service manual, about $20.<br /><br />Good luck

 

[Jammu]

Re: yahama 70

NGK BR8HS-10<br />The last number (10) means the gap (1,0mm)