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Message: [QUOTE="KM Burgess, post: 657999, member: 25453"] I've been reading this post with interest as it has some great ideas in it. Just a quick tech point: 1. Rings can, BUT don't usually rotate in a bore, they usually stay where they were mounted. That's why you need to stagger the rings in a car engine at the appropriate places. The rings on a 2 stroke dirt bike are pinned only as a SAFE GUARD against any rotation that MAY occur to avoid the POSSABILITY of the ring ends getting caught in the open ports. 2. Some X hatching is always good for oil retention BUT not to the detriment of premeturely wearing out the cylinder or reducing the usable life of the cylinder. (What's best? wearing out your cylinder while riding it or wearing it out on the workshop bench with a hone?) Personally for me the cost of a new cylinder or replating is too high to start wearing cylinders out premeturely. 3. By all means de-glaze if needed but don't reduce the life of your cylinders! Most people wouldn't notice any performance difference whether they did or didn't hone their cylinders and I would rather get 4 or 5 new pistons to a cylinder than only 2 or 3, unless I just won the lottery, and that ain't likely to happen. Cheers PS. What about a thread on premix ratios?, I bet that could fire up a few people! [/QUOTE]