Thunder Tiger MARINE ENGINE Parts PRO-21M-OB 9568
|Displacement(c.c. / cu.in.)||3.46 c.c. / .211 cu.in.|
|Bore(mm / in.)||16.6 mm / 0.654 in.|
|Stroke(mm / in.)||16.0 mm / 0.630 in.|
|Practical R.P.M.(R.P.M.)||3,000 ~ 38,000 rpm|
|Output(BHP/RPM)||2.10 BHP / 30,000 RPM|
|Weight(g/oz)||720 g / 25.39 oz|
1. PRO-21MOB engine x 1 EA 2. Carburetor Assembly x 1 EA 3. Allen wrench x 3 EA (2.5mm ＆2mm ＆3mm) 4. Instructional manual x 1 EA 5. TT logo sticker x 1 EA
The Thunder Tiger Pro-21M-OB Outboard engine features an innovative design bound to greatly increase the popularity of the 3.5cc Tunnel Hull class.
A race-proven powerplant is mated to a lower unit utilizing the best gear ratio and flex-cable technologies. A special set of precision helical gears transfers all the power from the crankshaft to the flex-cable, resulting in substantially reduced cable wear and maintenance, while the integrated expansion chamber / muffler reduces exhaust noise. The engine mount allow adjustments to both propeller depth and angle.
To top it off, a Prather S215 prop is included.
The PRO-21M-OB (No. 9568) is equipped with 1.04:1 gear ratio
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