to replace spark plug remove seat and tub under neath,. the spark plug can be found by following the plug wire to it ,. good light helps,. it took me about 1 min. to find the plug the first time,. I wish I new more about computers so I could send pictures,. about sliders remove tranny cover off ,. if it is the same as DT. plastic cover then metal cover,. and your looking at the tranny,. im pack gun to remove bolts,. if not you need a two pin holder to hold the variator while you remove nut. same as cam gear holder but smaller pins. good luck with the job,.