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-   -   Tune Up Kits G22? (http://www.buggiesgonewild.com/gas-yamaha/28575-tune-up-kits-g22.html)

chopndroptx 01-28-2010 08:09 AM

Tune Up Kits G22?
 
Why do most of the tune up kits for the G22 come with hotter spark plugs?

If I am running the normal plug with no problems should I run a hotter one?

Dave in VA 01-28-2010 08:36 AM

Re: Tune Up Kits G22?
 
That's a good question!

DOOmsman 01-28-2010 11:54 AM

Re: Tune Up Kits G22?
 
I think it is an epa thing, if you are running a tan plug stay with the colder plug. If your your plugs are black run the hotter one.

chopndroptx 01-28-2010 12:00 PM

Re: Tune Up Kits G22?
 
Ya from what I thought once you go hotter you shouldn't go back to colder. So I see no reason to change something if it's fine the way it is.

I just don't understand why everyone sells the kits with hotter plugs.

1999flhrci 01-28-2010 12:30 PM

Re: Tune Up Kits G22?
 
It actually depends on the engine setup. On other engines I've worked with I will use a hotter plug for a rich condition and a colder plug for a lean condition. It seems to make the plugs last longer. A lean carb will run hotter than a rich one therefore you don't need a hot plug.

DOOmsman 01-28-2010 12:33 PM

Re: Tune Up Kits G22?
 
Nothing keeps you from changing back and forth. On very finely tuned race engines the plug heat range is a tuning tool used when advancing into the later rounds and the engines can't be cooled all the way. And as I say the hotter plug is probably to reduce emissions.

cart de golf 01-28-2010 05:01 PM

Re: Tune Up Kits G22?
 
bpr2es ? ngk

chopndroptx 01-28-2010 06:34 PM

Re: Tune Up Kits G22?
 
"Spark plug NGK BPR2ES. Hotter plug, Use when fouling is a problem. Or Yamaha gas G14, g16, G20, G21 & G22"



I cant even find a kit with the cooler plug, thats kinda jacked up!

Cool Plug #'s: BP4ES, #2822, NGK-BPR4ESO-00
Hot Plug #'s: BPR2ES, #2823, NGK-BPR2ES0-00

spriddle 01-28-2010 06:38 PM

Re: Tune Up Kits G22?
 
You can pick these plugs up at just about any local auto parts store. Try running the iridium substitute. Little expensive but great plugs. :thumbup: I used to run them in my Rhino. Made a little noticeable difference in load situations.

chopndroptx 01-28-2010 06:46 PM

Re: Tune Up Kits G22?
 
Ya I know you and get them localy. I just wanted to get the kit since it comes out cheaper. Then I noticed all of them come with the hotter plug.

Not a issue, just bringing it to peoples attention really. Thought it was wierd.


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