Features
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- Lighter, leaner alternative to .21s delivers competitive power while cutting fuel consumption by 8%.
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- 21J2 carb gives you fine control for throttling down for corners — and nailing hole shots!
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- Low-CG design for added stability and machined head for cooler, stronger performance.
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- Balanced crankshaft smooths airflow with silicone-filled intake passage and DLC coating.
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- Ceramic bearings reduce rolling resistance throughout.
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Finesse and fuel economy for tight, twisty 1/8 scale tracks!
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Replacing a .21* with an O.S. 19XZ-B improves fuel economy by 10%. That means 10% more time to rack up laps before you need to pit…and fewer pits overall. And every second you’re not in the pits is another second you can add straight to your lead. The O.S. 19XZ-B is the engine that offers you all the fuel economy you want with the performance you need to win. *Compared to an O.S. 21XZ-B with 21J2 carb and 6 mm restrictor.
- The ultra lightweight cylinder head weighs 8 grams less than the latest Speed Tuned 21XZ-B.
- A black anodized crankcase helps direct air flow over crucial parts of the engine to dissipate heat.
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- Overall weight of the 19XZ-B Speed is approximately 0.4 oz. (12 g) lighter than the Speed Tuned 21XZ-B.
- Includes glow plug and 6 mm carb restrictor.
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Specifications |
Displacement: 0.19 cu in (3.1 cc)
Output: 2.4 hp @ 34,000 rpm
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RPM Range: 4,000-40,000
Weight: 12.9 oz (343 g)
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