recommended spark plugs and battery ???

[excallibur101]

Doing a pre season check up on my Yamaha warrior and need some info upon recommended parts I should get.First,my original battery is dead,I have not removed old battery as of yet and need to know what is the original make of battery and part number for it before I order a new one.My machine is out of state at the time so I cannot get part numbers.Secondly,what are the best recommended NGK sparks plugs I should use on my sled running 10% ethanol fuel these days,my engine is stock not modified.Any information would be helpful.

 

[pro116]

If you are going to put new plus in put cr10ek.They make about 2hp more.You won't notice the 2 hp but it adds up and your replacing them anyway.

 

[excallibur101]

thanks for the very quick response,super timing. You recommended CR10EK,that is considered a colder plug,how will that effect combustion temperature .What is your opinion with Iridium plugs,would they be any better or just a waste of money.the reason I ask is due to gasoline containing 10% ethanol burns at a lower BTU than gasoline without ethanol so I would have to think that the combination of lower BTU fuel and cooler plugs might create incomplete burn or plug fouling.I am open for your opinion and suggestions.

 

[Mighty]

The CR10EK's are run by many many riders on this site with zero issues. Freddie Klies a renowned tuner explained why the colder plug worked in our application but I don't remember exactly how. I just know they work

 

[nards444]

I just got an ever start from walmart believe it was 70 bucks and it's the battery that was in the book at walmart for my sled.

Plugs calls for CR9E's

 

[Ratpack]

Go with the cr10ek's. I have run them for 8 years. That is what came with the air filter kit, and I still run them with a super charger. I bought my old battery from a parts store. Just get the messurements and match it.

 

[DV8]

cr10ek's. Match up the battery #'s.