Team Orion CRF 5-Port Engine Line

Team Orion CRF 5-Port Engine Line

Latest from Team Orion:

We have added 5-port engines to our range of CRF competition Off-Road engines.


  • High-performance competition engines
  • CRF crankshaft with angled gas channel and external slots
  • High-performance ABC liner
  • Two needle carburetor with aluminum body
  • High quality, custom made ball bearings
  • Optional carburetor inlet venturis available
  • Improved throttle response characteristics
  • Increased fuel economy
  • Lightweight high efficiency cooling head
  • SG crankshaft

Technical Specifications:

Type: 2-stroke
Displacement: 3.5cc
Bore: 16.2mm
Stroke: 16.9mm
Total Weight: 350 g
RPM : up to 35,000
HP: 2.95
Front Bearing Size: 7mm x 19mm x 6mm Swiss Ballbearing
Rear Bearing Size: 14.2mm x 25.3mm x 6.3mm Special Ceramic
Cylinder Type: ABC
Ports: 5 +2 Bypass
Carb Type: Slide with Aluminum Body
Crank Type: SG-type with Patented CRF Concept

ORI80679 3.5 cm³ CRF 3.5ccm Off-Road Engine (ABC/5 port)
ORI80680 3.5 cm³ CRF 3.5ccm Off-Road Engine (ABC/5 port), set w/ pipe

Alpha Discovery 3.5ccm 5-Port Low Budget Competition Engine

The Alpha Discovery 3.5ccm 5-port off-road engine has all the great features of a competition engine combined with a low budget price! Go for this motor to get world champion technology and great power made in Italy.


  • .21/3.5ccm Low Budget Competition Engine
  • 5-Port ABC Design
  • Good Power and Mileage
  • Turbo Insert
  • Standard Crankshaft (Black Coated)
  • CNC Machined Lightweight Piston
  • Bi-Steel Competition Ball Bearing
  • High Precision CNC Machined Crankcase
  • Red Anodized Aluminium Heatsink
  • 2 Needle Aluminium Body Competition Carburator with Isolating Bushing

ORI80677 – 3.5 cm³ Alpha Discovery Engine (ABC/5 port)
ORI80678 – 3.5 cm³ Alpha Discovery Engine (ABC/5 port), set w/ pipe

Trevor “Chilly” Duncan
Online News Editor
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Updated: October 27, 2010 — 12:16 PM
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