Honda GX25, Part 2: Porting and Mods : 9 Steps - Instructables
Amazon.com: BGTOOL Trimmer Head Bump Feed for Honda All GX25 GX35 Brushcutter Brush Cutter Grass Trimmer Petrol Straight Shaft Strimmer Universal fit M10 x 1.25 LH Red : Patio, Lawn & Garden