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O.S. SPEED B2103 TYPE-S .21 Buggy Off-road Racing Engine

O.S. SPEED B2103 TYPE-S .21 Buggy Off-road Racing Engine

Code No.:OS1BN00
Brand:O.S. Engines
Status:In Stock
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- The long-stroke off-road engine put a high value on torque in low-middle range with smooth operation and better fuel mileage.
- The crankcase, carburetor and cover plate, and inner head are designed new.
- All the parts are interchangeable to those of TYPE R’s.
- High vertical finned ow-profile cooling head for improving the drivability and better heat dissipation.
- The new DLC coated crankshaft has two tungsten counter weights for smooth rotation and the best balance.
- A newly designed 3-port cylinder& piston set.
- The inner head with an silicon O ring for reducing vibration and preventing dust.
- A newly designed 22D carburetor, which produces high response and smooth acceleration.

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