Junior 206
Junior 206

Junior 206

Hand-built in Milwaukee, WI. using tooling and dies specifically for racing for unparalleled repeatability.

Factory sealed short-block with ground cam and controlled piston pop-up (reducing compression variance)

Simplified IKF/WKA rule set designed to maintain a stock configuration right down to the factory shipped carburetor jets. This is NOT today’s standard Animal rule set.


Dual Ball-Bearing, RACING Reinforced Cylinder

Federal Mogul™ Cam Ground, Barrel-Faced Piston

High-Silicon Valve Springs

Ground Cam w/ Compression Release

Squeeze-Cast, T-7 Treated, Racing Rod

Racing Crankshaft w/ Induction-Hardened Crankpin

Nitrated Dished Exhaust Valve

Goetze performance piston ring set

featuring a chrome-faced top ring for extended life

PVL™ Digital Ignition System

Automotive 3-Piece Valve Retainer System

Racing Only Intake Port

Beefy Rocker Arm Stud Nuts

Walbro™ Round - Slide Carburetor

Green™ Air Filter

Max-Torque clutch and fastener set

Locking Carburetor Cap system

prevent tampering/simplify the tech process. (555726)

Extended Carburetor slide to control power (555728)


124432 8202-01
Compression Ratio
9 to 1
Gross Horsepower
Approximately 3.3 hp using 87 octane
Stroke (in)
2.2 in.
Factory Timing
29 degrees BTDC



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