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Aprilia RS125

Specification

Engine: 124.8cc single cylinder 2 stroke engine made by rotax (122 model) with an integrated 6 speed gearbox.
Weight: 114.0 kg
Overall height: 1090 mm
Overall length: 1960 mm
Overall width: 615 mm
Wheelbase: 1345 mm

Completed mods

Lowered forks and put heavy weight fork oil in
Carbon reed valves
34mm VHsb dellorto carburettor
Arrow expansion chamber with late rs125 end can
Denso iridium spark plug
Renthal Gold O-ring chain with alloy rear sprocket. 16:40 teeth
Wavy front disc
Sintered pads front and back

Planned mods

Flat top piston and head at next piston change.