Review on Red CNC Air Fuel Mixture Screw: Adjustable Carburetor FCR Air Screw for KEIHIN Carbs on 4-Stroke Motocross Motorcycles by Daniel Roe

I didn't think the cut on the handle was too sharp as others have mentioned and it looks like a direct replacement for my factory bolt but the thread pitch on this bolt doesn't match that Thread on my carburetor. The thread on the screw is on the coarse side of the pitch, my factory screw has a fine thread, this screw would destroy my carburettor if I pushed it in there. I didn't see any mention of it in any of the other comments, but the prop I bought from Motion Pro worked great. If it matters, I tried installing this on a 2003 YZ450F, but it didn't work for me. According to Revain, "It fits my bike" and I have no intention of returning it. It might eventually fit my other bike, so I'm just going to stick with it. All that inconsistency aside it sure would have worked as intended, like I said it was close but not exactly what I needed.