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post #1 of 5 Old 09-01-18, 23:54 Thread Starter
bluedaytona02
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Which plugs?

Iridium Vs Copper
Hot Vs Cold

Apparently the race kit manual says to install CR10EIX plugs in an engine fitted with the race kit internals and full arrow system.

I'm running an '06 race bike in 3 different classes per meet, usually completing 20 practice, quali or race (5-7 laps) sessions per weekend plus a practice day beforehand.

When I got the bike it had CR9EIX plugs fitted. After a couple of years I fitted CR9EK plugs (when I checked valve clearances) as I couldn't see any benefit with iridium plugs.

The bike has the following engine mods -
*Stock headers with cat and ex-up removed
*K&N filter
*SAI delete
*09 velocity stacks
*Wheel detent kit
*Billet oil cooler
*Manual idle adjuster
*Manual cam chain tensioner
*Crankcase vents to airbox

I believe it may also have had a thinner head gasket fitted and the backlash gear removed (or modified) by the original owner.

Any sage advice would be appreciated. TIA

Sent from my SM-G930F using Tapatalk

Current: '06 Daytona 675 ('08 BEARS winning bike - Chris Panayi) White with Pitty's Custom Vinyls TTC decals STM Slipper Clutch Braking wave rotors with folding/adjustable levers GB engine covers Valter Moto Rearsets Race kit detent wheel & idle adjuster 1050 throttle tube Captive Wheel Spacers MotoGems bling Vortex clip-ons, Stomp grip 520 conversion Puig screen Madaz slip-on Intake flapper & Ex-up removed Swing-arm pivot mod. Thinner head gasket Custom tune
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post #2 of 5 Old 09-02-18, 12:08
Cheyenne Bodie
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Just go with what's specified in the owner's technical manual. As long as they do their job the ceiling on performance benefit is dead flat.

The 10 is a "colder" plug so in theory it should be longer lasting, but they are interchangeable.
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post #3 of 5 Old 01-03-19, 19:40
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Quote:
Originally Posted by bluedaytona02 View Post
Iridium Vs Copper
Hot Vs Cold

Apparently the race kit manual says to install CR10EIX plugs in an engine fitted with the race kit internals and full arrow system.

When I got the bike it had CR9EIX plugs fitted. After a couple of years I fitted CR9EK plugs (when I checked valve clearances) as I couldn't see any benefit with iridium plugs.
Do Not try the iridium CR9EIX in the 09-12 Daytona they will make contact with the piston! I just learned this. I am not a happy mechanic!

t_bare
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post #4 of 5 Old 01-07-19, 15:26
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Quote:
Originally Posted by t_bare View Post
Quote:
Originally Posted by bluedaytona02 View Post
Iridium Vs Copper
Hot Vs Cold

Apparently the race kit manual says to install CR10EIX plugs in an engine fitted with the race kit internals and full arrow system.

When I got the bike it had CR9EIX plugs fitted. After a couple of years I fitted CR9EK plugs (when I checked valve clearances) as I couldn't see any benefit with iridium plugs.
Do Not try the iridium CR9EIX in the 09-12 Daytona they will make contact with the piston! I just learned this. I am not a happy mechanic!

t_bare
OUCH!! Noted! I have always stayed with the Same design never knowing why they were different on bikes .....until now!!

"I don't know who you noobs are. I don't know what you noobs want. If you are looking for attention, I can tell you I don't have a long span. But, what I do have are a very particular set of skills; skills I have acquired over a very large amount of posts. Skills that make me a nightmare for people like you. If you drop this now, that'll be the end of it. I will not Google you, I will not photochop you. But if you don't, I will search the webnets for you, I will find you, and I will pwn you."
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post #5 of 5 Old 01-10-19, 07:58
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Quote:
Originally Posted by t_bare View Post
Do Not try the iridium CR9EIX in the 09-12 Daytona they will make contact with the piston! I just learned this. I am not a happy mechanic!

t_bare
http://www.nonstick.com/audio/sounds...y/ltbb_037.mp3

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