plug

Two weeks ago I installed new plugs. Put about 200 miles on her. Want to check to see if I am running lean or rich. Pulled #4 plug and it is so clean it can't tell. Is it too soon?

I just got a Givi topcase and mounting for my bike, and according to the instructions - which are horrible, by the way - I have to remove this part and replace it with theirs to mount the support bracket. The Yamaha part is 90338-21145-00 "PLUG,SPEC'L SHAPE." Any ideas? I put vise grips on it...

I am a proud new owner of a 2007 fz6 and wanted to do all routine maintenance right away. I want the best plug I can buy for this bike. What are my options? I'm guessing iridium? Thank you in advance

I'm in need of a new oil plug. I have Givi engine guards and they get in the way of taking out the OEM one. Since I have to buy one anyway do they make ones that are shorter than the original? Thanks!

Hi everyone. I bought 4X CR9EK for my 2005 fz6 but one of s. plug is different than others.:confused: look at the left plug, it's metal is bluish and not pretty much fine... Also, left one's japan text is not fine marked as right one. Left one's box is cheap and has different print than...

First of all, you spend hours searching the forum for any relevant topics Get the idea and start searching all the big DIY shop of your town After not finding any appropriate plus, you start searching the internet . Some days later, you visit your next door small DIY shop and find the PERFECT...