About this product
Description
FEATURES
New 9-port Cylinder: Higher performance, excellent fuel efficiency, great drivability with more torque
RTX Rotating Backplate: Reduces friction between the connecting rod and backplate, improving stability at idle, boosting engine power, and optimizing fuel efficiency for extended runtime
High-Protection Bearings: Includes a double-seal front bearing for durability and stability, along with a 9-ball rear ceramic bearing for reliability under extreme conditions
Balanced DLC Crankshaft
AVAILABLE MODELS
ENBU0041: 921 Speciale™ Limited Edition
ENBU0041B: 921 Speciale™ Limited Ed. – Pre Break-In Service by Mario Rossi
TECHNICAL SPECIFICATIONS
Feature Details
Category 1/8 Buggy
Displacement [cm³] 3.5
Bore [mm] 16.2
Stroke [mm] 16.9 Inlet Ports 7
Outlet Ports 1
Front Bearing
7x19x6 Double Seal
Rear Bearing
14×25.4×6 9 Balls High-Durability Ceramic
Carburetor Diameter [mm]
7.0 (Options: 6.0, 6.5, 7.5, 8.0)
Carburetor Type
VCX3-A Aluminum Short Needle
Weight [g]345
Fuel Consumption [min]> 9
Operating Temperature [°C]110-130
To maximize the performance of your 921 Speciale™ engine, we recommend pairing it with:
Glow Plug: REDS TS4
Exhaust System: 2143 X-ONE High Torque Plus Pipe
Fuel: 16–30% nitro, 8–10% oil
Break-In Fuel: 12% oil
Technical Data
Kit Contents
