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This is the JL .28 Maxx Engine with Pullstarter from Ofna. This Engine is designed for T-maxx with 51530 mount or Revo's with 51531 mounts.

REQUIRES: Fuel: Car blend, 20% recommended for break-in Glow Plug: Hot or medium range Air filter depending on vehicle Glow starter and track equipment SPECS: Displacement: .28 cu in (4.6cc) Stroke: 0.66" (16.8mm) Bore: 0.75" (19mm) RPM: 38,000 Horsepower: 2.7 Weight: 11.6oz (330g) Height Crankcase Bottom/to Top of Cylinder Head: 4.5" (115mm) Cylinder Head Diameter: 2.4" (60mm) Length/Mounting Hole Centers Same Side: 0.87" (22mm) Length/Mounting Hole Centers Opposite Side: 1.5" (38.3mm) Length/Pull Starter to end of Crankshaft: 4" (102mm) Carburetor Settings- Main Needle Valve, 3-3-1/2 turns from closed, adjust for maximum RPM and power without making engine too lean or too hot Low Speed Needle: 4-3/4 turns from closed, do not adjust until main needle valve is set for power and top speed Barrel Stop Screw: Adjusts idle, set for 1/16" gap to start new engines, open more for faster or higher idle

More Information
Part # 52205
Brand OFNA / Jammin
Fuel Type Nitro / Glow
Type 2 Stroke
Vehicle Type Car