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post #16 of 24 Old March 23rd, 2012, 07:11 AM
 
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Re: RZR 800 best spark plug?

Thanks Pirate
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post #17 of 24 Old March 23rd, 2012, 07:25 AM
 
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Re: RZR 800 best spark plug?

Quote:
Originally Posted by Pirate View Post
OK the NGK Iridium plugs are BKR8EIX..........

Pirate
Actually, to stay with the same heat-range as the stock Champion RC7YC3's, you want to go with NGK BKR7EIX Iridiums. My two-bits........

Cheers
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post #18 of 24 Old March 23rd, 2012, 08:08 AM
 
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Re: RZR 800 best spark plug?

BarRZR,

Guess I didn't know that there were different Iridium plugs. the BKR8EIX is what Holz put in my motor when they did the Stage III install. They work great.

Pirate
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post #19 of 24 Old June 4th, 2012, 05:43 AM
 
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Re: RZR 800 best spark plug?

Quote:
Originally Posted by BarRZR View Post
Quote:
Originally Posted by Pirate View Post
OK the NGK Iridium plugs are BKR8EIX..........

Pirate
Actually, to stay with the same heat-range as the stock Champion RC7YC3's, you want to go with NGK BKR7EIX Iridiums. My two-bits........

Cheers
I just looked in the ngk catalog Bkr7eix is the stock heat range
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post #20 of 24 Old June 4th, 2012, 12:42 PM
 
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Rzr Icon Re: RZR 800 best spark plug?

BKR7EIX are the correct NGK Iridium plugs for the stock engine. They typically use a colder plug with a turbo. BKR8EIX is a colder plug. When comparing plugs, use caution. For example, 8 is not the same temp range for all brands of plugs.
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post #21 of 24 Old June 5th, 2012, 05:52 AM
 
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Re: RZR 800 best spark plug?

Quote:
Originally Posted by redrzrrider View Post
My RZR runs perfect but it starts poorly when it's warmed up. I want to change plugs to see if it helps with the poor starting and I'm wondering what the best performance plug is out there for a stock 2012 800? Thanks in advance!
No way a 2012 needs plugs. This thread started in March, he shows his location as Wisconsin. Serious winter fuel there.

Just because a Trex and a RZR fill up at the same pump, their fuel systems are engineered differently, thus one runs fine, the other maybe not.

To the OP, use fresh gas, if available in your area, try and find ethanol free gas. Do not store gas over 60 days with out fuel stabilizer in it.

I can tell you stories of cars not starting / hard starting due to fuel quality since the 80's.
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post #22 of 24 Old June 5th, 2012, 06:21 AM
 
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Re: RZR 800 best spark plug?

Quote:
Originally Posted by jlb27537 View Post
Quote:
Originally Posted by redrzrrider View Post
My RZR runs perfect but it starts poorly when it's warmed up. I want to change plugs to see if it helps with the poor starting and I'm wondering what the best performance plug is out there for a stock 2012 800? Thanks in advance!
No way a 2012 needs plugs. This thread started in March, he shows his location as Wisconsin. Serious winter fuel there.

Just because a Trex and a RZR fill up at the same pump, their fuel systems are engineered differently, thus one runs fine, the other maybe not.

To the OP, use fresh gas, if available in your area, try and find ethanol free gas. Do not store gas over 60 days with out fuel stabilizer in it.

I can tell you stories of cars not starting / hard starting due to fuel quality since the 80's.
X2
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post #23 of 24 Old June 5th, 2012, 07:47 AM
 
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Re: RZR 800 best spark plug?

Quote:
Originally Posted by N0OSV View Post
BKR7EIX are the correct NGK Iridium plugs for the stock engine. They typically use a colder plug with a turbo. BKR8EIX is a colder plug. When comparing plugs, use caution. For example, 8 is not the same temp range for all brands of plugs.
Good summary, N0OSV, and yes, the BKR7EIX is the correct NGK Iridium plug for the stock engine. And, they last so long that you'll probably never need to replace them during the life of your RZR. Just FWIW...........

Cheers

Last edited by BarRZR; June 5th, 2012 at 07:52 AM.
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post #24 of 24 Old June 5th, 2012, 08:05 AM
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Re: RZR 800 best spark plug?

All spark plugs have a heat range and ALL spark plugs have a very tight operation window on that heat range, barely step outside the plugs range and you foul the plug. Autolite is the only manufacturer that makes plugs with wider heat ranges to prevent fouling. Everyone has there favorite. NGK, Bosch, Champion. doesnt matter really. A common misconception is that the more exspensive metal you buy the better performance you will get, like for instance, a copper plug would be outperformed by a platinum which would be outperformed by an iridium. So some people think that if you buy iridium you get more power. NOT TRUE. the type of metal determines life expectancy. Copper usually lasts 1 to 1.5 years on the low end, Platinum is 3 to 5 years, iridium is 7 to 9 years. Heat Range determines performance and you must keep your heat range within a point or two of what the engine was designed for. Same misconception with premium gas over regular gas, some think the higher the octane the better the power, not true, The best power and performance comes when you run the exact octane that the engine was designed for and the exact heat range in your plugs that you were designed for. If you want to run premium gas and high heat range plugs then do the whole mod and build the engine for it,

Im a victim to the RZR addiction, For which there is no cure...
But I am accepting donations for rehab. Please give what your heart tells you to. Thanks.
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