Reds Racing 721 Pista Gen2 Onroad engine

Reds Racing has introduced its latest 7 ports onroad engine, the 721 Pista Gen2.  The new .21 engine features extreme power, high reliability and tuning stability.  Combined with specific technical changes such as new carburetor, new cooling head and front bearing, this 7 port engine features higher power and better fuel efficiency compared to any other engine.  The new engine comes with a DLC Coated crankshaft and backplate for improved engine durability and power delivery.  New high torque 7 ports sleeve gives great torque and power output. Basically, the new exhaust boost design combined with the inlet ports layout ensures an increase in power on the whole RPM range.  The 721 Pista Gen2 also gets a new high speed front bearing for increased durability and idle stability.  The cooling head is completely redesigned leading to a lower centre of gravity for better car handling, improved aerodynamics for a lower drag and improved engine cooling, new design and colours.  Another big improvement is the brand new carburetor made from pressure die casting.  The carburetor has been completely redesigned with a new body mold, new internal fluid dynamics, new mid range needle and new high speed needle position.

SPECIFICATIONS
Category: 1/8 on-road
Displacement [cm^3]: 3.5
Bore [mm]: 16.04
Stroke [mm] 17.32
Inlet ports: 7
Outlet ports: 3
Crankshaft: balanced with low friction DLC Coating
Backplate: aluminum with low friction DLC Coating
Front ball bearing: 7x19x6 rubber seal made in Japan
Rear ball bearing: 14×25.4×6 Swiss made ceramic
Carburetor diameter [mm]: 9.0 stock (8.0, 8.5 and 9.0 optional)
Carburetor: VCX3-A aluminum (3 needles)
Weight [g]: 333
Recommended Glow plug: REDS TS7 or TS8
Recommended pipe: REDS 2113 + M
Recommended fuel: 16-25% nitro, 8% oil
Break-in fuel: 12% oil

Source: Reds Racing [reds-racing.com]