Avenger 85 High-Performance Engine

Avenger 85 High-Performance Engine – 12,000 RPM Rated – Upgraded Crank, CDI, Fiberglass Muffler

The Avenger 85 is a compact high-output engine built for serious hobbyists and custom builders. This unit is engineered for clean high-RPM performance and long-term reliability.

Key Features

• Chainsaw-style performance piston for strong compression and fast throttle response

• Whole Kit comes with all the basics but with upgraded Carburetor, Clutch lever, Cdi, and rubber spacers.

• 85cc connecting rod with Balanced Crank and needle race bearings for reduced friction and smoother revving

• Balanced 8-hole crankshaft to minimize vibration and improve RPM stability

• High-performance CDI + magneto ignition system for consistent spark, even at high revs

• Massive exhaust system paired with a fiberglass-packed muffler for improved flow and a deeper, tuned sound

• Online-rated for ~12,000 RPM operation according to https://youtu.be/ofuV1nl9SsE?si=KvSu6bGvx-c0he3-

• Suitable for racing motorized bikes.

Why This Engine Stands Out

This isn’t a basic 2-stroke — it’s built with upgraded internals, smoother rotating mass, and a performance exhaust setup that lets the motor breathe. Great for anyone wanting a compact engine with real power potential.