O.S. Engine Speed 12TZ Spec II  [OS-11385]

O.S. Engine Speed 12TZ Spec II
Price:
USD$384.70
Brand:
O.S. Engine
Model:
OS-11385
Condition:
Brand New
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The O.S. Speed 12 TZ Spec II: Powering Your 1/10 Racing Ambitions

When precision engineering meets the thrill of the race track, the O.S. Speed 12 TZ Spec II emerges as a top contender for serious RC enthusiasts. Crafted with the needs of 1/10 scale racers in mind, this engine is more than just a component—it's a game-changer, designed to adhere to IFMAR specifications while delivering the raw power and reliability that seasoned racers demand.

Engineered for Peak Performance

At the heart of the O.S. Speed 12 TZ Spec II lies a meticulously crafted silicon-filled crankshaft, ensuring optimal balance and reduced vibration. Topped with a nine-fin aluminum cooling head, the engine maintains peak performance even under the most demanding conditions. Its two-piece turbo cylinder head, featuring a magnesium outer shell, not only enhances durability but also contributes to efficient heat dissipation, crucial during long races.

High-Performance Features and Inclusions

Included with the engine are essential components such as the P7 glow plug and the innovative 11HBS Slide Valve Carburetor, known for its precise throttle response—a boon for on-road racing. The package also provides a decal sheet, instruction manual, a 5.5mm carb reducer, and a rubber exhaust sealing ring, ensuring you're well-equipped from the get-go.

Specifications

  • Displacement: 0.128 cu in (2.1cc)
  • Bore: 0.543" (13.8mm)
  • Stroke: 0.551" (14.0mm)
  • Practical RPM Range: 5,000-44,000
  • Power Output: 1.7 ps/35,000 RPM
  • Weight: 7.336oz (208g)
  • Fuel: 10%-30% nitro, minimum 16% lubricant

The O.S. Speed 12 TZ Spec II is a masterclass in performance engineering, ideal for competitive racers seeking an edge in 1/10 scale competitions. While its high-performance capabilities come without a warranty, its precision and power make it a worthy investment for experienced RC racers.

The engine's design aligns with IFMAR standards, offering exceptional power and a high RPM range, perfect for competitive settings.
This engine is designed for experienced racers due to its advanced tuning and maintenance requirements.
No, due to its high-performance nature, the 12 TZ Spec II does not come with a warranty.
It's recommended to start with 20% nitro fuel, with at least 16% lubricant, and adjust based on performance needs.

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