MOTOR OS .21 B2102 SPEED COPMPETIT 1A300

FEATURES

• Low cylinder head reduces the buggy's center of gravity by 0.67" (17mm) for better stability during aggressive driving
• Newly designed 22C slide valve carburetor for better fuel economy
• Tungsten weighted crankshaft with diamond-like coating and silicon potting
• Bypass of crankcase is modified for better performance
• Tuned pipe is constructed of aluminum with polished natural finish and has an EFRA-2089 noise rating

INCLUDES

• O.S. Engines Speed B2102 Engine with P3 Turbo Glow Plug
• T2090SC Tuned Pipe
• 6.5mm Carburetor Reducer in Red
• Exhaust Seal Ring
• One each 3mm, 16mm and 18mm Dust Caps
• Instruction Manual

REQUIREMENTS

• Fuel: 10-30% nitro content
• 20% recommended for break-in
• Air filter
• glow starter
• track equipment

SPECIFICATIONS

• Engine:
  • Displacement: 0.211 cu (3.46 cc)
  • Bore: 0.646 in (16.40 mm)
  • Stroke: 0.646 in (16.40 mm)
  • Practical RPM: 4,000-42,000
  • Power Output: 2.65 PS/2.61 hp @ 34,000 rpm
  • Crankshaft Size: UNF1/4-28
  • Distance/Mounting Hole Centers Same Side: 0.83" (21mm)
  • Distance/Mounting Hole Centers Opposite Side: 1.45" (37mm)
  • Width of Crankcase below Mounting Tabs: 1.2" (31.6mm)
  • Width of Mounting Tabs: 1.8" (45mm)
  • Height/Mounting Tab to top of Cylinder Head: 2.6" (65.9mm)
  • Height/Mounting Tab to center of Exhaust Outlet: 1.1" (28mm)
  • Height Crankcase Bottom to top of Cylinder Head: 3.2" (81.5mm)
  • Length of Crankshaft end to Front Bearing: 1.2" (29.5mm)
  • Length of Crankshaft end to Backplate: 3.7" (94mm)
  • Length of Crankshaft end to Center of Crankcase: 2.9" (73.5mm)

• Carburetor Settings:
  • (Carburetor is preset from factory and should only require very small adjustments)
  • Needle Valve: 3 turns open from fully closed
  • Mixture Control Valve: One turn screwed in from flush position with carb body
  • Metering Needle: 0.3-0.4mm protruding from flush position with carb body
  • Throttle Stop Screw: Approximately 0.5mm from carb body when viewed from above

• T2090SC Tuned Pipe:
  • Length: 6.6" (167mm)
  • Diameter: 1.4" (35.2mm)
  • Exhaust Outlet Diameter: 0.31" (8mm)