I concur, the right side cutting out and then okay, then repeating. CDI going bad, if it is that it will get progressively worse.

having gone down this road with 2 OEM units and a Pro Com, the TTP firestarter is definitely the way to go.

05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter