Engine for thermal car OSSPEED R21GT II Combo with resonator and elbowO.S. ENGINES

Product description : Engine for thermal car OSSPEED R21GT II Combo with resonator and elbow

High-performance GT engine enters the next generation!< /span>

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While inheriting the flexibility and from the very good performance of the previous model the OSSPEED R21GT, which had been well appreciated in Europe, the cradle of the GT category, the feeling of power has been improved at low and medium revs by playing on the balancing of the crankshaft. In addition, the new cylinder head insert improves idle stability, the O-ring reduces vibrations while offering protection against dust. The new R21 GT II cylinder head is lighter.

Features:

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• Displacement: 3.49 cc
• Bore: 16.08mm
• Stroke: 17.20mm
• Output: 2.65hp @ 34,000 rpm
• RPM range: 4,000-42,000 rpm
• Mass: 362g

Accessories provided:

• An RP7 Candle
• A 7.0MM Venturi red anodized aluminum
• An exhaust gasket

• A TB01 resonator (EFRA2042)

• One elbow MB01-70.

Engine highlights :

1. The crankshaft has 2 tungsten balancing weights.

2. The cylinder head insert has been reworked. Better feeling at low and medium revs, more stable idle. An O-ring provides vibration reduction and dust protection.

3. The new cylinder head is lighter, the fins are cut by CNC machining.

4. Compliant with IFMAR regulations with 5 intake transfers and 3 exhaust.

5. Fitted with the type 22E(B) GT carburettor and the new 7.0MM(RED) AL2 venturi.