Avenger 90cc Engine Kit

STAGE 1

Stage 1 Includes:

1. 42mm Stroker Crankshaft - Trued with high RPM balance (NEW)
2. High-Speed Crank Pin Bearing
3. Upgraded 12 Needle Wrist Pin Bearing
4. Neodymium 45 Magnet
5. 420+OHM Magneto
6. Heavy Clutch Spring
7. Florian/Viton Crank Seals
8. OLYIN Hardened Bevel

STAGE 2

The Stage 2 Performance Modified Engine includes all Stage 1 components plus:

Additional Features:

1. Green 2mm Composite Cylinder Spacer (improves port timing)
2. Squish Set with Copper Gasket

STAGE 3

Modified Race Engine

⚠️ PLEASE NOTE: Stage 3 shipping time will take 1-2 weeks to prepare order depending on availability.

Stage 3 90cc Engine includes the following upgrades:

1. Avenger 90cc Engine Only
2. 42mm Stroker Crank - Trued with high RPM balance (NEW)
3. Ported Cylinder
4. CNC Clutch Disk
5. Green Clutch Pads
6. OLYIN CNC Cooling Head
7. Carbon Fiber PWK Intake
8. Port and Exhaust Transfers Fully Optimized

Perfect for racing applications and performance demands.