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.


Racing Engine Reviews

briggsandstratton /

Product Details

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)

Junior 206
Type 124432 8202-01
Stroke (in) 2.2 in.
Compression Ratio 9 to 1
Factory Timing 29 degrees BTDC


Download the operator's manual or illustrated parts list for your Briggs & Stratton engine or equipment by following our step-by-step process.


Have a question? Search our FAQs to find answers related to model specifications, routine maintenance, repair or troubleshooting.

Maintenance How-To Articles

Find DIY articles on how to use & maintain your Briggs & Stratton engine or equipment.

Shop Repair & Maintenance Parts

Find genuine Briggs & Stratton repair and/or maintenance parts for your engine or outdoor power equipment to ensure future performance.