Skip to product information
1 of 5

Avenger 85cc Engine Kit

Avenger 85cc Engine Kit

Avenger 85 Engine Highlights:

  • The recently launched Avenger 85 engine boasts a 52mm bore and 40mm stroke, providing a genuine 85cc displacement.
  • Enhanced cooling is achieved through additional surface area of cooling fins on the cylinder.
  • The cylinder head features an expanded cooling area for improved heat dissipation.
  • Transfer ports are enclosed with generous radii, contributing to enhanced mid-range power.
  • The intake port opening is increased and comes with a new intake manifold to ensure proper sealing.
  • The exhaust port has been widened with a broader 52mm bolt spacing.
  • A single-ring, lightweight piston design is incorporated to boost power output.
Upgrade your engine game with the Avenger 85cc.

 


 
STAGE 1
- Our Stage 1 85cc Avenger engines includes a copper gaskets with adjusted squish (0.8-1.2) 
-Partnered with OLYIN, we offer unique components for an unmatched experience. Get ready for top-of-the-line performance right out of the box.

Avenger 85cc Stage 1 Include:

Copper Head Gasket 


STAGE 2
- Our Stage 2 85cc engines include 2mm composite this increases timing for improved performance. 
- The cylinder is machined adjusted squish (0.8-1.2) Typically we see 4 to 5 MPH increase in top speed. This is the best performance increase for the cost available. 
- Partnered with OLYIN, we offer unique components for an unmatched experience. Get ready for top-of-the-line performance right out of the box.

STAGE 2 Include:

  • 2mm Composite Spacer 
  • Machined cylinder to set the squish 
  • Copper Head Gasket
  • Transfer and Exhaust ports are fully optimized (Available only with Stage 2)


Avenger 85cc Engines Include:
  1. 2mm Composite Spacer (Stage 2)
  2. Copper Head Gasket 
  3. Front and Rear Mounting Hardware
  4. Spark Plug
  5. Mounting Hardware
  6. CDI ignition
  7. OLYIN Hardened Bevel Gear 
  8. High-Speed Crank Pin Bearing
  9. YD85CC Balance Crankshaft
  10. 420+OHM Magneto Coil and Magnet
FOR FULL KIT PLEASE ADD UPGRADE TO CART!

The Full kit also Includes:

1. 2L Black Fuel Tank
2. Clutch Lever
3. Throttle With Kill Switch 
4. Chromed 9 hole, 44 Tooth Sprocket 
5. 415 Chain 
6. Sprocket Install Kit 
7. Chain Tension-er with 4 bolts.
8. Chain Guard
9. Clutch Cable & Accelerator Cable 
9. Front U Mount 
12. Spark Plug Tool 
13. Clutch Tool
14. High Flow Stock Muffler
15. Bofeng Carburetor


 


 

Regular price $174.99 USD
Regular price Sale price $174.99 USD
Sale Sold out
Tax included. Shipping calculated at checkout.
Kit Choice
STAGE
View full details