IAME Motor mini GR3 CIK Naked

Artikelnummer: 1366
Kategorie: Motor
Hersteller: IAME

The design has started from the following fundamentals: “The right amount of material, in the right place”, like in an aircraft engine Enhanced cylinder cooling by adequate surface and thickness of the fins, by studied shape of the lateral flow conveyors Enhanced crankcase cooling by combination of vertical and horizontal fins able to capture the even turbulent air flow. Optimized inlet, exhaust and transfers ducts, result of more than one year development Maximum specific output Controlled RPM range as per the Regulation Dry centrifugal clutch (CIK-FIA type) Chain transmission very close to engine centerline to reduce crankshaft flexion and related friction Electric starter Achtung ohne Zubehör wie Auspuff, Kabelbaum, halt das komplette Zubehör. Es wird nur der Motor ohne zusätzliche Anbautele ausgeliefert.

2.479,00 €

inkl. USt. , (Paket)

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Lieferzeit: 2 - 4 Werktage (DE - Ausland abweichend)

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Technical information model: GR-3 040/EM/12 description: Single cylinder – 2 stroke class: Fia Karting Mini bore: Ø 41,80mm max-bore: Ø 42,10mm stroke: 43,00mm displacement: 59,00cc ports: 2 inlet-system: Piston Port lubrication: Oil mixture ignition-system: Digital with adjustable advance – FIA Karting Homologated transmission: Centrifugal dry clutch cooling-system: Air cooled balancer-shaft: – starter: Electric Start carb-model: Dell’Orto PHBG18 BS – FIA Karting Homologated max-power: – max-torque: – max-rpm-limit: 14.000RPM The design has started from the following fundamentals: “The right amount of material, in the right place”, like in an aircraft engine Enhanced cylinder cooling by adequate surface and thickness of the fins, by studied shape of the lateral flow conveyors Enhanced crankcase cooling by combination of vertical and horizontal fins able to capture the even turbulent air flow. Optimized inlet, exhaust and transfers ducts, result of more than one year development Maximum specific output Controlled RPM range as per the Regulation Dry centrifugal clutch (CIK-FIA type) Chain transmission very close to engine centerline to reduce crankshaft flexion and related friction Electric starter CYLINDER The cylinder, made by gravity casting in high-strength aluminum alloy, it is a completely new design. On an air cooled cylinder the thermal efficiency and the structure stability have the same great importance of the fluid mechanics in the internal ducts. Fins’ shape and extension, combined with fins’ thickness and profile allow the heat to be transferred from the cylinder body to the flowing air. Air flow conveyors force the air between the fins assuring the maximum possible air flow. “The right amount of material, in the right place” concept makes robust structure without negative heat accumulation. The cylinder is provided with thick cast iron liner, manufactured in IAME by precision 5-axis CNC machines. The tight manufacturing tolerances guarantee the consistency of performance throughout the production. CYLINDER HEAD The cylinder head is subject of accurate fins’ design in order to get the correct temperature in the combustion chamber. In particular the correct air flow is induced between the base fin of the cylinder head and the first fin of the cylinder. The shape of the central vertical fin allows the use of racing type spark plugs and spark plug caps. CRANKSHAFT The crankshaft is composed type, with 18mm crankpin and 20mm main bearing journals, On a 60cc engine, the crankshaft must guarantee the best compromise between good stability and reduced friction. The plastic stuffers for balance are made by additive manufacturing. Both crankshaft and crankpin are made by forged steel, casehardened and grinded. CONROD The conrod, completely CNC machined from forged steel, has very thin “knife style” body. The design is particularly lightened for the best performance, and it’s supported by precision roller cages on both ends. MAIN BEARINGS The main bearings are special roller bearings, able to give a significant contribution to crankshaft alignment during engine operation, thus reducing friction. PISTON The piston is casted with a particular high-silicon alloy. It is a typical two stroke design with one “L” ring, chromium plated. ILLUSTRAZIONI MINI 2020 - PISTONE CRANKCASE The crankcase is built with a particular sand casting process, able to give the material the maximum possible strength and resilience. Particular attention has been paid to crankcase cooling, keeping into account the turbulent and relatively slow flow able to reach the crankcase. TRANSMISSION The transmission is via centrifugal clutch (unique CIK-FIA design) The chain line is extremely close to engine’s center in order to reduce crankshaft flexion and bearings solicitations. IGNITION The ignition is digital, with 14.000rpm limiter, CIK-homologated EXHAUST The exhaust is one-piece, with unique CIK-FIA design. ELECTRIC STARTER The electric starter acts on a bi-metallic starter gear, which combines high resistance and long life with low inertia. CARBURETTOR The carburettor is Dellorto PHBG18, floating chamber as specified by Regulation.

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