WR5 BLACK DIAMOND HE High Efficiency Concept LTD

REDS Racing

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WR5 BLACK DIAMOND HE High Efficiency Concept LTD

The REDS WR5 HE Black Diamond .21 engine is a 5 port off road engine based on the famous R5T Team Edition engine that has been a staple in the REDS lineup for 6 years. The WR5 Black Diamond is available in two different models - the WR5 Black Diamond HE High Efficiency that offers low fuel consumption system and smooth power band for high driveability, and the standard WR5 Black Diamond that offers the REDS 5 port high torque power band.
Black Diamond
The REDS 5 port engine with a Black Diamond DLC Coated crankshaft has been improved. The DLC crankshaft can last approximately 3-4 times longer than a standard crankshaft thanks to the extreme hardness and low friction of the diamond coating. Even the conrod life is lengthened about 50%.
HCX CARB UPGRADE
The WR5 includes an improved HCX Carburetor featuring a Flow Improved Low Speed Needle and 7075 Aluminium Fuel Intake for improved tuning stability in extreme temperatures.
Gloss Black
The WR5 comes with a Black Gloss Cooling Head which features an innovative design for improved air flow in order to increase the cooling and guarantee a low gravity center. The cooling head is 10% lighter than the previous 5 port cooling head.

Specifications:
  • Applications: 1/8 Buggy and Truggy 
  • Displacement [cm3]: 3.5cc 
  • Bore [mm]: 16.2 
  • Stroke [mm]: 16.9 
  • Intake Ports: 5 
  • Exhuast Ports: 3 
  • Crankshaft: Balanced BLACK DIAMOND DLC Coated High Efficiency 
  • Front ball bearing: 7x19x6 rubber seal made in Japan 
  • Rear ball bearing: 14x25.4x6 Swiss made ceramic    
  • Carburetor diameter: 6.5 (6.0 and 7.0 optional) 
  • Carburetor: HCX Upgrade 
  • Weight: 345 
  • Cylinder System: ABC 
  • Exhaust Type: Rear 
  • Recommended Glow Plug: REDS T5C or TS3 
  • Recommended Exhaust: REDS 2104 + M 
  • Recommended Fuel: 25-30% nitro, 8-10% oil 
  • Break-in fuel: 12% oil 

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