Thunder Tiger new F-91S powerhouse engines is the perfect way to enjoy the advantage of four-stroke performance; the ability to swing a large prop, increase torque, reduce noise and improved fuel economy. Feature with the twin needle updraft carburetor, black anodized cylinder head, oversized valves, combined with a high performance silencer to have the best power-to-weight ratio.

Key features
Black cylinder head.
Crankshaft with Ni plating to reduce corrosion.
The XC2 (extreme composite coating) cylinder liner with special criss-cross pattern etched.
Lightened hyperutectic machined Al-Si ringed piston.
High strength connecting rod with bushings pre-installed.
Over-sized drive washer diameter for 13” to 18” propeller.
Dual ball bearing supported crankshaft.
Rubber- sealed rear bearing to reduce corrosion.
Plain bearing supported camshaft.
Fine polishing rocker cover.
State of the art CNC machined components.
Smooth manifold.
Rear-mounted up draft and Reversible carburetor.
Black anodized muffler included.
Redline RF glow plug included.

Calitate

Specificatii
Displacement: 14.97 c.c. / .914 cu.in.
Bore: 28.3 mm
Stroke: 23.8 mm
Practical R.P.M. : 2,000 ~ 12,000 rpm
Output (BHP/RPM): 1.60 / 11,000
Weight: 742.8 g

Continut
1. F-91S engine x 1
2. Carburetor Assembly x 1
3. Allen wrench 3mm ＆2.5mm ＆2mm ＆1.5mm 4. Wrench 5/5.5 ＆12/14 5. Muffler Assembly x 1
6. REDLINE RF glow plug x 1
7. Instructional manual x 1
8. TT logo sticker x 1 EA

Elice recomandata:
Rodaj: 13x8
Acrobat: 13x8-9, 14x7-8, 15.5x6
Scale: 16x8, 17x7, 13x7 (tripala)

Bujie recomandata: TT Redline RF