Thunder Tiger 9568 PRO .21M OB Gear 1.04:1
This is the Thunder Tiger Pro-21M-OB Outboard Marine Engine with 1.04:1 Gear Ratio.
Features
Thunder Tiger 9568 PRO .21M OB Gear 1.04:1
Ideal for 3.5cc Tunnel Hull Class
ABC piston and cylinder construction "A"luminum piston with "B"rass cylinder liner that is "C"hrome plated
Automatic mixture control carburetor
Schnuerle porting
Helical gear set transfers power from crankshaft to flex cable
Built-in muffler/expansion chamber incorporated into lower unit
Reduction gear system
Adjustable thrust line
Prather S215 metal propeller
Blue anodized water cooled cylinder head
Specifications
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: 1.04:1
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
Package Contents
Pro-21M-OB Engine, Mount, Lower Unit, 2.5, 2, & 3mm hex wrenches, O-ring and instruction manual
Requirements
Fuel: At least 20% lubricant with 5-15% nitro content, fuels containing a blend of both castor and synthetic oils are best
Glow Plug: R/C long type such as the OS #8
Glow starter and shore equipment
Comments
N/A.
"What else can I say, but this Magic Cars Hummer is awesome. Bought it for my 1 year old son and he loves it." ... read more