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Message: [QUOTE="jonooffler, post: 1354224, member: 107612"] Hi I have just taken my 2003 KDX220 (UK) out for it's first ride since the last owner dropped it off. The bike starts fine and pulls well in high revs but in low revs it's very lumpy and lacks power. Before I start to clean the carb out I just wanted to check to see if any one knew what the stock jets sizes are pilot and main, I wonder at some stage they had been changed over to match a better pipe (it's now back on stock) Any other ideas would be great . Just to add the plug is a 8 and looks dry and a dark tan in colour. When I took it out of the engine after a 20 min ride it felt cold !. This is my first 2stroke and I could do with a bit of help. Thanks all Jono [/QUOTE]