This Is A Big Bore Kit To Fit The Aprilia RS 125 Made By Mitaka.
Fits The Rotax 123 Type Engine
This Kit Will Increase The Capacity Of Your Engine To 140cc.
What's In The Box
Brand New Cylinder Barrel With A 57.00 Mm Bore, Twin Ring Piston Kit, Top End Gasket Kit, And Small End Bearing.
Notes
There Is No Need To Run A Power Valve Spacer, The Mitaka 140 Kit Comes With The Spacer Built In To The Cylinder.
You should Change The Cylinder Head To The Correct 140cc Type Under Product ID: 4306
As With Any Performance Part Jetting Is Required And Due To So Many Variables We cannot Offer Advice On This.
Mitaka Offer NO Warrenty Whatsoever On This Kit Or Any Parts In The Kit.
This Kit fits only the early Aprilia RS125 With The Rotax 123 Type Engine
Road Bike Parts