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RevTech 100" 4x4 Engine

Product may vary from photo(s).

Everyday Low Price: $4,549.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info $4,094.99

J&P Part: 308-399

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RevTech 100" 4x4 Engine

Fitment Note: Fits EVO style frames. May require chasis modification for installation.

• Excellent balance with less vibration

• Reduced piston speed which increases reliability due to lowered stresses

• The 4" piston pushed on these 4" strokes are a special story in themselves

• Unique moly-coated forged pistons

• The bigger bore of the new 100 allowed the use of larger valves, so the ports were also redesigned for better flow

• Smaller combustion chambers provide greater squish area for better turbulence and efficiency

• Roller rockers are employed for better valve train reliability

• Pressed-together flywheels

• Monoblock crankcases are used for excellent reliability

• Blind case bolts, machined fin edges, and John Reed design rocker boxes follow the RevTech tradition of making it work good, and look good

• Loads of horsepower and torque for all types of riding come standard

• Crankcase cast from 356-T6 aluminum with wall thickness optimized for maximum strength, advanced one piece casting and matching techniques allows for near perfect case half alignment, 7/16" cylinder studs proven in drag racing applications

• Flywheels connecting rods and flywheels forged from 4340 chromeoly steel, larger straight 1-1/2″ diameter pressed-in crankpin

• Oiling system is the most advanced scavenging system produced yet for air-cooled V-twin applications resulting in better reliability and increased horsepower, 3:1 ratio oil pump drive gears and high volume oil pump enable significantly increased lubrication and cooling

• Cylinders have more fin area for increased cooling

• Heads have John Reed design sculpted two-piece rocker boxes, more fin area for increased cooling

• Carburation include mukuni HSR42, intake manifold matched to heads for ideal flow efficiency, low profile air cleaner design for high performance while providing improved rider comfort

• Self-contained solid-state ignition

• Andrews EV72 .560" lift cam for good performance and easy starting

Product Specs

  • Alternator or Generator: Alternator
  • Assembly: Comes Assembled
  • Finish: Natural Aluminum
  • Ignition: Yes
  • Sold in Units: Each


Fitment Note: Fits EVO style frames. May require chasis modification for installation.

Note: This item is a universal/custom fit component, and does not have any direct standard/OEM model application. Some items may require modification and an advanced level of mechanical skill and/or knowledge for installation.

Customer Reviews


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