O.S. Engine OS-1A203 - O.S. Speed B2101-TY w/T2090-TY Header and Silencer  [OS-1A203]

Ty Tessmann, OS team motorist, won 1/8 off road World Championship in Sicily in October this year. In commemoration associated with staggering success, OS Engines are releasing Ty Tessmann limited edition 21 buggy engine. This is actually combo set B2101 motor / T2090SC muffler / M2002SC manifold.

Internal framework is the same as SPEED B2101. A variety of points are:

• Normal color brain with black colored colored colored letters
• Engraved crankcase
• Engraved crankshaft
• Engraved muffler
• Carb restrictor is 5.8mm, that would be unavailable in the marketplace but simply making use of this initial variation. The 5.8mm restrictor finished up being anticipated by Tessmann at the globe Championship in Sicily now we particularly offered to him your competitors. He attempted it and won.
• T-2090SC muffler with M2002SC manifold complete set won't be easy to get at in industry. M2002SC(rule #72106480) is usually an optional component. M2002SC is a lot longer than M2000SC. The longer manifold increases torque in low-middle range.
• So the blend of engine/muffler/manifold/carb restrictor is truly just what he situated in the Worlds and just available by this limited variation.

Spec:

• Displacement: 0.211 cu in (3.46cc)
• Bore: 0.646" (16.4mm)
• Stroke: 0.646" (16.4mm)
• Practical RPM: 4,000-42,000 RPM
• manufacturing: 2.61hp @ 34,000RPM
• bodyweight: 12.42oz (352g)
• Distance Between Mounting Hole Centers identical component: 0.83" (21mm)
• Distance Between Mounting Holes Opposite Side: 1.4" (37mm)
• Height Bottom of Mounting Tabs/Top of Cylinder Head: 3.2" (82.6mm)
• Width of Mounting Tabs: 1.8" (45mm)
• Distance from Backplate to Front Bearing: 2.5" (64.5mm)
• Distance from Center of Crankshaft to Front Bearing: 1.7" (44mm)
• Distance from Center of Crankshaft to Backplate: 0.81" (20.5mm)
• Crankshaft Size: UNF1/4-28
• Crankshaft Length: 1.2" (29.5mm) outside motor
• Carburetor Settings: NOTE carburetor is preset at factory and needs simply small improvements
• Needle Valve, 3-1/4 available from entirely closed
• Mixture Control Valve, Flush with carburetor body
• Metering Needle, Flush with ball hyperlink body
• Throttle Avoid Screw, nearly 0.5mm