Engine Iame Screamer IV (4) KZ
The Screamer 4 is the brand new engine model launched in 2023 to compete in the challenging KZ/KZ2 gearbox classes.
CIK Homologated, this racing machine benefits from the experience achieved in International KZ/KZ2 competitions with the Screamer III, packed in a lighter and tighter brand newly designed crankcase. The Screamer 4 boasts innovative cylinder concepts, performing solutions applied in the new generation OK/OKJ engines and sets a new benchmark in its class.
Technical information
model: Screamer 4 – KZ/KZ2
description: Single cylinder – 2 stroke
class: CIK/FIA – KZ/KZ2
bore: Ø 54,00mm
max-bore: Ø 54,08mm
stroke: 54,40mm
displacement: 124,59cc
ports: 5
inlet-system: Reed Valve
lubrication: Oil mixture
ignition-system: Analogic
transmission: 6 Speed Gearbox
cooling-system: Water
starter: Push Start
carb-model: Dell’Orto VHSH 30
