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Werks Team Line B3 Pro II .21 Off-Road Competition Buggy Engine

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The Werks Team Line B3 Pro II .21 Off-Road Competition Buggy Engine combines a redesigned 3 port sleeve, ceramic rear bearing and a lightened, epoxy ramped crank to provide excellent fuel efficiency and run time with aggressive bottom end and strong mid to top end power delivery.


  • Redesigned 3 port cylinder for improved performance and fuel economy.
  • "Swiss" ceramic rear bearing for improved reliability and reduced friction.
  • Double shielded front bearing for improved reliability.
  • Lightened and epoxy ramped crankshaft allows the engine to spool up faster for improved acceleration and improved fuel economy.
  • Black anodized crankcase for improved heat dissipation.
  • Billet rear back plate to reduce weight and create a more rigid case assembly.
  • Redesigned carburetor with Werks HHSN technology (Horizontal High Speed Needle) for easier tuning and greatly improved stability.
  • Improved carburetor heat shield to improve carburetor consistency and reduce possibility of heat saturation.
  • Modified crankcase and redesigned super low CG wrap around head design for improved heat dissipation and reduces overall CG of vehicle for improved handling.


  • This engine includes a Werks TLP5BT #5 Turbo Glow Plug. The glow plugs recommended for this engine are the Werks Racing TLP5BT #5 and TLP6BT #6.
  • Werks recommends the 2013 pipe (WRX6658C) for Truggy applications, and the 2058 (WRX6659C) for Buggy.

Stroke: 16.9mm
Bore: 16.2mm
RPM Range: 3,000-40,000
Output: 2.5hp at 30,000rpm
Sleeve: Three Port, Chrome Plated Brass
Piston: CNC Machined High-Silicon Aluminum Alloy
Connecting Rod: Knife Edged, Double Bushed 7075 T6 Aluminum Alloy
Crankshaft: Lightened & Epoxy filled.
Bearings: Double Shielded steel front, Swiss "ceramic" rear.
Carburetor: Revised HHSN technology, 2 Needle, Adjustable Venturi, Heat Isolation Sleeve.
Cooling Head: Lightweight, CNC Machined, Super Low CG Wrap Around Case Design

This product was added to our catalog on December 29, 2017

Brandon Powell
Average Rating: 5
Friday, May 11 2018 (about a year ago)
Werks Team Line B3 Pro II .21 Off-Road Competition Buggy Engine
Ran this in a Truggy with WERKS 2013 pipe. Really nice power band.