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Discussion Starter · #1 ·
Bike Bandit and my Service Manual list a few different spark plugs for my 300. does anyone know which is the best one to use? I'm sure they are just different heat ranges. The riding I do is pretty inconsistent, I could be down the road top speed one day and the next day alot of slow moving and idling. Here are the plugs it lists.


SPARK PLUG (DR7ES)
(DR7ES) (NGK)


SPARK PLUG (DR8ES)
(DR8ES) (NGK)


SPARK PLUG (DPR8EA-9)
(DPR8EA-9) (NGK)
 

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Discussion Starter · #2 ·
Also I am going to be going through the carb HOPEFULLY this weekend (didn't get to it last weekend) and adding one size bigger fast jet if that will make a difference.
 

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I've always used the DR8ES and I've never had any problems. I believe that's the one that comes in them when you buy them new. I've never really tried the others, though.
 

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Discussion Starter · #4 ·
DPR8EA-9 is what I ordered last time for some reason, according to my bike bandit order history, so I ordered two more of them. I guess they will be fine.
 

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DPR8EA-9 is what I ordered last time for some reason, according to my bike bandit order history, so I ordered two more of them. I guess they will be fine.
Yeah, they should be fine.
 

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Info on both plugs from NGK website.

DPR8EA-9 Standard Plug - OEM Quality, Triple-Gasket Sealing Process, Consistent Performance

DPR8EIX-9 Premium Plug - Iridium IX - Fine Iridium tip ensures high durability and a consistently stable spark, Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines, Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties, Outstanding acceleration, high fuel efficiency and durability, Ultimate design, technology and performance.
 

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Discussion Starter · #8 ·
Great thanks for the info the standard plug is what I ordered but for some reason they haven't shipped yet. My tire has shipped though! Bike Bandit is usually pretty fast at getting your stuff out not sure what the hold up is on two spark plugs.
 

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Great thanks for the info the standard plug is what I ordered but for some reason they haven't shipped yet. My tire has shipped though! Bike Bandit is usually pretty fast at getting your stuff out not sure what the hold up is on two spark plugs.
They need to run to Napa...:icon_ rasta:
 

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Discussion Starter · #10 ·
No kidding, oh well, not like I need it today, but my tire will be here tomorrow, finally I'll have matching front tires! and it won't handle so funny anymore LOL.

That is if UPS can get their truck to the house, supposed to rain all day tomorrow road turns to crap pretty fast. I love living in the middle of nowhere. :)
 
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