I cannot figure how to change the 2 back plugs on the passengers side. What do I need to remove? I've looked at old posts and haven't found anything helpful. Thanks.

 

Bump. I have replaced 6 of 8 plugs.. just trying to figure out what NOT to remove... like this inverter. Thanks guys.

 

If you don't have 125k miles just let them ride and have a beer.

 

I guess not too many people changed spark plugs themselves on 600

 

Sorry we can't be more help. I did a DIY write-up on the 460, but no idea on the 600. It does indeed look cramped. I suggest you subscribe to Alldatadiy. It will give you a step by step how-to for about 15-20 dollars per year.

 

we were sucesfoul we managed to do 8/8 thanks to my friends good will its very hard but he did it

 

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