B7ES plugs in a 68 cb450?

david ricci

September 15, 2019 14:33

Hi Guys,

I have a 68 CB450 all stock, everything quadruple checked bit my plugs still get fouled, like glazed black after each ride. Down to 1/2 out on pilot. Does anyone run B7ES plugs in their 450?

THanks in advance for any help! -David

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  Robert DiVizio

  January 14, 2020 21:20

  I have a similar problem only on one cylinder of my 73 CB 450.  I run the same plugs.  Could the problem be a weak spark/coil?  I always make sure my battery is topped up as well. 

   

  Good luck.  I hope you have the problem solved by now. 

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