May 27, 2019

VSR04 3.5cc nitro on-road engine

Rody Roem’s World Champion Products has introduced the new VSR04 3.5cc nitro on-road engine. The new and exclusive super long stroke .21 power plant is based on the popular O.S. Speed R2102 and features some additional “Rody” touches, such as the DLC-coated VS Bi-turbo crankshaft, the Euro Spec liner and piston and an O-ring protected combustion camber insert. The engine is designed for competition on-road racing and thus ideally suited for experienced users. The engine is available separately or including a VS2098/M2001 exhaust system.

– Super long stroke
– 7-ports with MES
– CNC-machined Euro-Spec piston
– VS Spec 14mm modified ‘”Rody” DLC Bi-turbo crankshaft, lightened and silicone-filled
– Competition conrod
– VS Spec turbo combustion chamber
– 14mm high-speed main bearing
– 7mm high-speed front bearing with rubber seals
– VS Spec R04 super lightweight cooling head
– VS Spec crankcase
– VS spec aluminium lightweight slide carburettor with 8.5mm aluminium venturi

– Type: On-Road
– Displacement: 3.49cc
– Bore: 16.08mm
– Stroke: 17.20mm
– Crankshaft: DLC/Bi-turbo/SIL 14mm SG/SPT (25/245)
– Main bearing: 14mm high speed
– Front bearing: 7mm high speed
– Cylinder: ABC
– Ports intake: 7 (300/60)
– Ports exhaust: 3 (270/90)
– Carburettor: VS Spec, neck 15mm
– Cooling head: VS Spec superlight on-road
– Insert: VS Spec for conical Turbo glow plug
– RPM: Max power @ 33K RPM (4-45K RPM range)
– Weight: 330g

Source: World Champion Products []


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