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OS SPEED B21 ONGARO COMBO SET

 

Combo Motor OS Speed B21 Edición Especial Davide Ongaro con escape completo TB02 para 1/8 Nitro Off Road. 

 

 

Combo Motor+escape completo de competición para 1/8 Todo Terreno Nitro. 

 

Especificaciones: 

 

Displacement:3.49cc / 0.213 cu.in. 

Bore:16.27mm / 0.641 in. 

Stroke:16.80mm / 0.661 in. 

Output:2.68 ps / 2.64 hp / 34,000 r.p.m. 

Practical rpm range: 4,000-42,000 r.p.m. 

Weight: 352g / 12.42 oz 

Standard accessories 

Glow plug T-P3 

Reducer ö5.8, ö6.3 

Exhaust seal ring 

Dust cap set (ö3, ö16, ö18) 

 

 

OS Engines. 


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OS SPEED B21 ONGARO EDITION WITH TB02 COMPLETE SET 

 

 

 

O.S.SPEED B21 ONGARO EDITION Combo Set (TB02 EFRA2089 Pipe £¦ MB01-75 manifold) 

Davide Ongaro, IFMAR 1/8 Engine Off-Road World Championshion, has signed with O.S. SPEED since 2021. This time, "O.S. SPEED B21 ONGARO EDITION", which has been modified according to his feeling, was born! Based on the latest off-road engine O.S. SPEED B2104, the crankshaft has been changed to a counter web shape and use of single tungsten weight crankshaft specially made for this engine to suit his driving style. The inner head is also specially designed combustion chamber, and the synergistic effect of these realizes a smooth feeling and more powerful top end. In addition, the outer head adopts a standard round type, and the laser marking of ONGARO's original logo mark creates a racing atmosphere. A new size ö5.8mm / ö6.3mm black anodized restrictor is also used for the carburetor to create an "Engine that can win big races" that matches his requirements. We also have a combo set that includes the TB02(As known as T-2090) EFRA 2089 tuned silencer and the exhaust system of the / MB01-75 (75mm) manifold. 

 

 

Based on the latest off-road engine O.S. SPEED B2104, the crankshaft has been changed to a counter web shape and use of single tungsten weight crankshaft specially made for this engine to suit his driving style. 

 

 

The outer head adopts a standard round type, and the laser marking of ONGARO's original logo mark creates a racing atmosphere. 

 

A new size ö5.8mm / ö6.3mm black anodized restrictor is also used for the carburetor to create an "Engine that can win big races" that matches his requirements. 

 

Specs: 

Displacement: 3.49cc 

Bore: 16.27mm 

Stroke: 16.80mm 

Output: 2.68ps/2.64hp @ 34.000RPM 

Practical rpm range: 4.000-42.000 

Weight: 352g 

 

Standard accessories: 

Glow plug: T-P3 

Reducer 5.8 & 6.3mm 

Exhaust seal ring 

Dust cap set (3, 16 & 18mm) 


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