OS Max OSM13640

This is the O.S. Max .21 VG-P Pilot Shaft Sport Engine. Developed for 1/8 scale Car, Truggy and Truck Use. ROAR Legal. 1/4-28 pilot (SG) crankshaft for Centax type clutch Advanced Bi-Metallic Liner. This process uses a double layer of plating material rather than one thick layer. This helps the metal to bond to the cylinder and is more durable. Also, the plating process is more consistent, resulting in a more precise fit between piston and sleeve for better compression, longer life. Two-needle 21F Slide Valve Carburetor One-piece 8-fin Tornado cylinder head uses standard glow plug Rear exhaust Two year limited warranty O.S. Max .21 VG-P Pilot Shaft Sport Engine with Slide Valve Carburetor, exhaust seal ring, #8 glow plug and instruction manual Fuel: Nitro car blend with 10-30% nitro content and at least 16% lubricant Glow starter and track equipment Displacement: 0.211 cu in (3.46cc) Bore: 0.654" (16.6mm) Stroke: 0.63" (16.0mm) Practical RPM: 3,000 - 36,000 RPM Power Output: 2.0 ps / 30,000 RPM Weight: 12.24oz (347g) Distance Between Mounting Holes Same Side: 0.83" (21mm) Distance Between Mounting Holes Opposite Side: 1.4" (37mm) Height Bottom of Mounting Tabs/Top of Cylinder Head: 3.4" (87.4mm) Width of Mounting Tabs: 1.8" (45mm) Distance from Backplate to Front Bearing: 2.6" (65.6mm) Distance from Center of Engine to Front Bearing: 1.7" (44mm) Distance from Center of Engine to Backplate: 0.85" (21.6mm) Needle Settings: High Speed: 3 turns out from fully closed Metering needle (low speed): flush with ball link body Throttle Stop Screw: 1/2 turn out from fully closed jxs 8/16/06 ir/jxs updt lmm 4/14/09 &