Triumphrat

Alekker · 07-18-2006

How easy is it to do on my own? Any good tricks of the trade that i should be aware of? and does anyone recommend any plug above and beyond the NGK CR9EK that the manual calls for?

Yak · 07-18-2006

The base plug of the CR9EK is just the plain old CR9E. the "K" make is a twin electrode plug, one on each side. You could get away with the CR9E if you got a case of the cheaps. I have no idea why Triumph would want to OEM spec a Twin electrode plug. If you want to upgrade you can go to the CR9EIX, which is a single electrode iridium plug wich will resist wear a little better, but at 2x the price its just a trade off.

Joe-Dirt · 07-18-2006

Use a bit of anti-seize on the threads. Cut a piece of 3/8 inch fuel hose, and place it over the top of the plug to screw them in, so you don't cross thread them. Then torque it down. I think there is also a Denso plug you can use also that is much less expensive than the $8 a plug CR9EK.