Primary Use: Karting, High School/Collegiate Supermileage
Each Junior 206 racing engine is assembled by hand in Milwaukee, WI. using tooling and dies specifically for racing for unparalleled performance parity.
Factory sealed short-block with ground cam and controlled piston pop-up (reducing compression variance).
Simplified rule set designed to maintain a stock configuration and facilitate consistent tech inspections.
| MODEL/TYPPE(S)124332 8202-01 | M.A.P. PRICE$659.00 | HORSEPOWER/TORQUE3.3 hp/5 ft. lbs. torque* |
| DISPLACEMENT204cc | BORE/STROKE2.6875”/2.6885” | COMPRESSION RATIO8.5 to 1 |
| RPM-DIGITALLY LIMITED4,100 RPM | FACTORY TIMING29 degrees BTDC | FUEL TYPE87 Octane |
| Description | Wrench / Socket Size | Torque |
|---|---|---|
| Air Guard | 7mm | 40-50 lb-in. (4.5-5.6 Nm) |
| Blower Housing | 10 mm & 3/8” | 60-110 lb-in. (7-12.5 Nm) |
| Carburetor (to manifold) | 10 mm | 80-110 lb-in. (9-12.4 Nm) |
| Connecting Rod | 5/16” | 125-135 lb-in (14-15 Nm) |
| Cylinder Head Bolts | 10 mm | 200-220 lb-in. (20-27 Nm) |
| Exhaust Brace Screws | 10 mm | 95-125 lb-in. (11-14 Nm) |
| Exhaust Stud | 10 mm | 95-125 lb-in. (11-14 Nm) |
| Flywheel Nut | 15/16” | 55-75 ft-lbs. (74.5-101 Nm) |
| Flywheel Fan | 10 mm | 180-240 lb-in. (20-27 Nm) |
| Intake (to cylinder) | 5 mm Allen | 70-90 lb-in. (8-10.2 Nm) |
| Oil Drain Plug | 3/8” | 100-125 lb-in. (11-14 Nm) |
| PVL Ignition Module | 7 mm | 20-35 lb-in (2.3-4 Nm) |
| Rocker Arm Stud | 7/16 | 90-120 lb-in. (10-14 Nm) |
| Rocker Arm Set Screw | 1/8” Allen | 50-70 lb-in. (5.6-7.9 Nm) |
| Spark Plug | 5/8” deep | 95-145 lb-in. (11-16.4 Nm) |
| Side Cover | "10 mm (patched, grade 8.8) 10 mm (unpatched, grade 8.8) 10 mm (SIMS patched, grade 10.8 )" | "215-230 lb-in. (24-26 Nm) 160-175 lb-in. (18-19 Nm) 260-270 lb-in. (29-30 NM)" |
| Top Control Cover | 10 mm | 70-90 lb-in. (8-10 Nm) |
| Valve Cover | 10 mm lower & 3/8” | 30-60 lb-in. (3.5-7 Nm) |
