Thunder Tiger Pro-21M-OB Outboard Marine Engine TTR9567
TTR9567 Thunder Tiger Pro-21M-OB Outboard Marine Engine

Thunder Tiger Pro-21M-OB Outboard Marine Engine TTR9567

reg $339.99
$249.99

In Stock. Usually ships within 24 hours.

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This is the Thunder Tiger Pro-21M-OB Outboard Marine Engine with 1.19:1 Gear Ratio.

Includes:
One Thunder Tiger Pro-21M-OB Outboard Marine Engine with 1.19:1 Gear Ratio
Mount
Lower Unit,
2.5, 2, & 3mm hex wrenches
O-ring

Requires:
Fuel with at least 20% lubricant with 5-15% nitro content, containing a blend of both castor and synthetic oils are best
RC long type glow plugs such as the OS #8
Glow starter
Shore equipment
Displacement: .211 cu in (3.46cc)
Bore: 0.654" (16.6mm)
Stroke: 0.630" (16mm)
Practical RPM: 3,000 - 38,000
Output: 2.10 BHP/30,000 RPM
Gear Ratio: 1.19:1
Weight: 25.39oz (720g)
Needle Valve: 2 - 2-1/2 turns counterclockwise from closed
Mixture Metering Screw: After setting needle valve, 1/8 turn
clockwise if mixture is too rich or 1/8 turn counter-clockwise if
mixture is too lean
Features:
  • Silver and blue colored
  • Best for 3.5cc Tunnel Hull Class
  • Piston made of aluminum with a brass cylinder liner that is "chrome plated
  • Automatic mixture control carburetor
  • Reduction gear system
  • Helical gear set transfers power from crankshaft to flex cable
  • Built-in muffler/expansion chamber incorporated into lower unit
  • Adjustable thrust line
  • Prather S215 metal propeller
  • Anodized water cooled cylinder head
  • Schnuerle porting for the best efficiency

Review Summary