1199cc standard bore and stroke 83mm x 55.4mm. Stock cams and valve timing Stock valves but Muzzy racing valve springs with spacers on exhaust valves, standard springs on inlet valves, Cylinder head studs uprated to Ape heavy duty studs with Cometic head gasket, head torqued down to 55 ft lbs (stock 42 ft lbs). JE 13:1 forged pistons. Carillo steel connecting rods. Bear stacks, (purple). Muzzy advance/retard unit mounted on crank set to plus 3 degrees over stock timing, (to take advantage of race fuel when running without gas). Manual cam chain tensioner Stock sump shortened by Ray Debben with drain bolt at the side Oil - Valvoline Racing mineral oil 15/50 SAE Gearbox - stock ZX12R but modified shift drum for smoother changes and undercut gears by Roger Upperton. Remote adjustable fuel pressure gauge set to 50 psi no gas or 50 shot, 55 psi 60 shot, 60 psi 70 shot. Muzzy “Hi-Flow” fuel pump for 250 hp. Clutch - Muzzy lockup using MRE light two part springs in four holes only, Muzzy billet basket, Mick Hand hydraulic conversion controlled by GPZ1100 clutch master cylinder, Lockheed fluid. Manual cam chain tensioner
EXHAUST
Muzzy Sidewinder with baffle made by Mark Fall (Jesster).
CHASSIS
Front forks shortened 2” by Ray Debben Hyperpro custom shock (1” shorter than stock) with remote reservoir and compression and rebound damping adjustment. Spondon 6-10 inch over swing arm with integral air tank for shifter. MPS electric over air air shifter with MPS electronic kill box set at 65 ms. Stock wheels and sprocket carrier Custom seat unit by Masters Molds and Models - USA Hyperpro tank mounted steering damper Tie down straps Side mounted Nitrous Oxide 2lb bottle with reserve bottle to match. Schnitz adjustable lowering links.
Yes this is the new bike for 2010 Keith parnells legendary Parny express...more to follow