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Three references, three answers! 1100EX spark plugs

  • Thread starter Thread starter Anonymous
  • Start date Start date
A

Anonymous

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I've been installing a new set of plugs in my totally stock '81 1100EX each spring for four years now. I think they've been DR8ES-L throughout. Today, I checked my Clymer manual instead of my old Suzuki service manual, and found a different NGK plug number shown (actually two different numbers on two different specification tables). Then I went to a NGK resellers website, and found yet another NGK number specified!

Here's the rundown: Original Suzuki service manual (and supplement, and owners manual) shows DR8ES-L. Clymer showed B-8ES and D8EA. The website showed D8EA. Who to believe? Any insights are welcomed!Thanks, Al.
 
DR8es-L is 1/2 step colder of a plug than DR8ea or D8ea. R just means resistor type to curb radio interference. I'm pretty sure the B series won't work because if I remember right the reach and the spark lead ends are wrong for your bike.
 
B series would be for the 2 valve motor D for the
4 valve motor
 
SqDancerLynn1 said:
B series would be for the 2 valve motor D for the
4 valve motor
Click to expand...

AKA the 8- and 16-valve motors.

(, he said for clarification, not meaning to be a smartass)

Michael
 
mopolopo said:
SqDancerLynn1 said:
B series would be for the 2 valve motor D for the
4 valve motor
Click to expand...

AKA the 8- and 16-valve motors.

(, he said for clarification, not meaning to be a smartass)

Michael
Click to expand...

Let me clarify that Michael is still a smartass. :wink: :lol:

Hap
 
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