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Reds All-New 721 Pista Gen2 On-road engine

Jun 28, 2023
2 min read


REDS Racing is excited to introduce a new super powerful 7 ports on-road engine called 721Pista Gen2.


What are the tech specs?


The new 721Pista Gen2 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 ports 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.


What is new and different?


New 7 Ports Sleeve: New high torque 7 ports sleeve for 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.


New high speed front bearing for increased durability and idle stability


Completely redesigned cooling head: lower gravity center for better car handling, improved aerodynamics for a lower drag and improved engine cooling, new design and colors.


New Carburetor and Venturi: Another big improvement is the brand new carburetor made from pressure die casting. The carburetor has been completely redesigned: new body mold, new internal fluid dynamics, new mid range needle, new high speed needle position.


721Pista engine pro tuned is hand-tuned with a silicone-filled, balanced and tuned crankshaft by M. Rossi. Every single engine is hand inspected and compression checked inside Reds Racing headquarters by Mario and Marco Rossi to achieve the highest quality standards. This is core to the values that makes Reds Racing engines different from any other brand on the market.


We advise to use the new engine with 2113 pipe and M manifold and only with REDS original spare parts and accessories.




Available versions:


ENPS0018721PISTA GEN2 ENGINE S SERIES 3.5CC ON ROAD - DLC CRANKSHAFT AND BACKPLATE- STEEL BEARING


ENPS0018T721PISTA GEN2 ENGINE S SERIES 3.5CC ON ROAD - PRO TUNED BY MARIO ROSSI- DLC CRANKSHAFT AND AIRBOOST BACKPLATE - CERAMIC BEARING


ENPS0018B721PISTA GEN2 ENGINE S SERIES 3.5CC ON ROAD - DLC CRANKSHAFT AND BACKPLATE - STEEL BEARING - PRE BREAK-IN SERVICE


ENPS0018TB 721PISTA GEN2 ENGINE S SERIES 3.5CC ON ROAD - PRO TUNED BY MARIO ROSSI- DLC CRANKSHAFT AND AIRBOOST BACKPLATE - CERAMIC BEARING - PRE BREAK-IN SERVICE



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: 14x25.4x6 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




 
 
 

12 Comments



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The redesigned cooling head, new carburetor, and 7-port sleeve make the 721 Pista Gen2 sound like a thoughtful upgrade for serious 1/8 on-road racers, especially with the focus on tuning stability and durability. For anyone documenting a build or race setup, it could also be fun to turn your photo into a drawing and create a stylized image of the finished car.

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The combination of the redesigned 7-port sleeve, new carburetor, cooling head, and DLC-coated crankshaft makes the 721 Pista Gen2 sound like a substantial update rather than a cosmetic refresh. For anyone documenting a setup or race series around this engine, update episode labels in a thumbnail could make technical videos easier to follow.

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龙 王
龙 王
Sep 18

The engineering behind the new 721Pista Gen2 is seriously impressive! Lowering the center of gravity with the redesigned cooling head while boosting torque through the new 7-port sleeve is exactly the kind of innovation that shaves seconds off lap times. Precision timing and tuning by Mario Rossi make all the difference on the track. Speaking of alignments and perfect timing, when I’m off the track, I've been fascinated by how ancient cultures calculated dates—if anyone is curious about their own cosmic timing, I highly recommend checking out this Mayan astrology calculator. It converts your regular birthday into the ancient Tzolk'in calendar to reveal your Mayan sign. It's a fun way to pass the time between races. Can't wait to get…

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