Plug for the yfz450r - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums

SaaR · 01-30-2012, 12:21 AM

Hi
what plug do I need for the YFZ450R 09
a friend told me to buy iridium plug what this plug iridium mean??

goat089 · 01-30-2012, 11:18 AM

your bike takes a NGK CR8E, I don't use the iridium cuz i cant justify the price difference.

Iridium plugs refers the material used to construct the electrode, right now electrodes are made of Nickel/Copper (short spark plug life), Platinum (medium spark plug life), Iridium (long spark plug life), people buy iridium cuz there long life and efficient spark the more fuel you ignite with every combustion stroke mean more HP

If your bike is stock don't worry about it its more important to get you spark plug gap correct ( 0.7-0.8 )

XxROCKSTArxX69 · 01-30-2012, 12:32 PM

i personally would spend the extra 2 bucks for the iridium it lasted me over a year so far and still looks and starts great. supp the new pulstar plugs out are the best but are super expensive probably not worth it for an atv

SaaR · 01-31-2012, 03:48 AM

with what tool can I spark plug gap correct ( 0.7-0.8 ) ?
I want to buy the iridium plug what is the type I need ?
can I get a link from you?

01-30-2012, 12:21 AM	#1 (permalink)
SaaR Member Join Date: Oct 2011 Posts: 95	Plug for the yfz450r Hi what plug do I need for the YFZ450R 09 a friend told me to buy iridium plug what this plug iridium mean??

01-30-2012, 11:18 AM	#2 (permalink)
goat089 Member Join Date: Jul 2010 Location: Utah Posts: 45	your bike takes a NGK CR8E, I don't use the iridium cuz i cant justify the price difference. Iridium plugs refers the material used to construct the electrode, right now electrodes are made of Nickel/Copper (short spark plug life), Platinum (medium spark plug life), Iridium (long spark plug life), people buy iridium cuz there long life and efficient spark the more fuel you ignite with every combustion stroke mean more HP If your bike is stock don't worry about it its more important to get you spark plug gap correct ( 0.7-0.8 ) Last edited by goat089; 01-30-2012 at 11:21 AM.

01-30-2012, 12:32 PM	#3 (permalink)
XxROCKSTArxX69 Senior Member Join Date: May 2010 Location: CT Posts: 469	i personally would spend the extra 2 bucks for the iridium it lasted me over a year so far and still looks and starts great. supp the new pulstar plugs out are the best but are super expensive probably not worth it for an atv __________________ 2006 yfz 450 35 leak, 165 main, 45 pilot12.5:1 piston hetrick's national exhaust w/shorty,hot rods crank(i believe),ported head,oversized valves,cams,vortex ignition,K&N filter,zip tie carb mod....throttle spring mod,works triple rate front shocks Last edited by XxROCKSTArxX69; 01-30-2012 at 12:34 PM.

01-31-2012, 03:48 AM	#4 (permalink)
SaaR Member Join Date: Oct 2011 Posts: 95	with what tool can I spark plug gap correct ( 0.7-0.8 ) ? I want to buy the iridium plug what is the type I need ? can I get a link from you?

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