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スペック---------------------------
- Displacement: 3.49 cc / 0.213cu.in.
- Bore: 16.08mm / 0.633 in.
- Stroke: 17.20mm / 0.677 in.
- Output:2.8 ps / 2.76 hp / 35,000 r.p.m.
- practical rpm range: 4,000-45,000 r.p.m.
- weight:340g / 11.99 oz.
- Standard accessories
- Glow plug RP7
- Exhaust seal ring Dust cap set (φ3、φ16、φ18)
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Features
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The outer head adopts the same design as the R2104, which has both high cooling performance and light weight with original laser marking.
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Uses the O-ring embedded inner head used in the R2104. The O-ring uses an oil-resistant one (black).
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The cylinder with 7 ports and piston have a new design with cooling holes added to the bottom of the exhaust with the newly designed crankcase.
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The crankshaft is a specific just for this engine and uses 3 tungsten counterweights. This has improved the torque feeling at medium and low speeds and idling performance.
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Comes with 21M2 (B) carburetor, which is popular with many racers for maximum performance. φ8.5 reducer also comes as standard equipment.
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Combo set that comes with exhaust pipe set is also available. It is combination of the TR01(EFRA2098)+MR02 especially suits well for the circuit in Europe with longer straight.
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