World Formula

World Formula Engine by Briggs & Stratton Racing
  • Briggs and Stratton Racing

Building off of the success of the Animal Racing engine, the World Formula was launched in 2003 in accordance with the CIK World Formula class rules. This complete engine package balances the latest in engine design and technology to provide racers with a consistent, low-maintenance and low-cost platform, in which to sharpen their driving skills and chassis setup. Hand-built and individually tested in our Milwaukee, Wisconsin skunk works

Features

  • Dual Ball-Bearing, RACING Reinforced Cylinder
  • Billet Rod
  • Slotted, Stelite-Faced, Ground Cam w/ Compression Release
  • Dual, High-Silicon Valve Springs
  • PVL™ Digital Ignition System w/7,100 RPM Limiter
  • CNC D-Shape Intake Port
  • Walbro™ Round - Slide Carburetor
  • Dana™ Fire-Ring Head Gasket
  • Racing Crankshaft w/ Induction-Hardened Crankpin
  • Green™ Air Filter
  • Federal Mogul™ Moly-Coated Cam Ground, Barrel-Faced Piston
  • Chrome-Faced, Racing Only Ring Package
  • Port-Liner, Exhaust System
  • Mikuni™ Fuel Pump
  • Noram™ Clutch w/ Quick Change Sprocket Set
  • Automotive 3-Piece Valve Retainer System
  • Beefy Rocker Arm Stud Nuts
General Specifications
Model Number124335
Type8105-01
Displacement206
Bore2.6875/2.6885
Stroke2.2
Compression Ratio9.5 to 1
Factory Timing29 degrees BTDC

Technical / Torque Specifications

Description Wrench / socket size Torque
Air Guard7mm40-50 lb-in. (4.5-5.6 Nm)
Blower Housing10mm & 3/8"60-110 lb-in. (7-12.5 Nm)
Carburetor (to manifold)10mm80-110 lb-in. (9-12.4 Nm)
Connecting RodT27140-150 lb-in. (16-17 Nm)
Cylinder Head Bolts10mm200-220 lb-in. (20-27 Nm)
Exhaust Brace Screws10mm95-125 lb-in. (11-14 Nm)
Exhaust Stud10mm95-125 lb-in. (11-14 Nm)
Flywheel Nut15/16"55-75 ft-lbs. (74.5-101 Nm)
Flywheel Fan10mm180-240 lb-in. (20-27 Nm)
Intake (to cylinder)5mm Allen70-90 lb-in. (8-10.2 Nm)
Oil Drain Plug3/8"100-125 lb-in. (11-14 Nm)
PVL Module7mm20-35 lb-in. (2.3-4 Nm)
Rocker Arm Stud7/16"90-120 lb-in. (10-14 Nm)
Rocker Arm Plate10mm70-90 lb-in. (7.9-10.1 Nm)
Rocker Arm Set Screw1/8" Allen50-70 lb-in. (5.6-7.9 Nm)
Spark Plug5/8" Deep95-145 lb-in. (11-16.4 Nm)
Side Cover10mm140-170 lb-in. (16-19 Nm)
Starter Gear#2 Phillips35-53 lb-in. (4-6 Nm)
Top Control Plate10mm 70-90 lb-in. (8-10 Nm)
Valve Cover10mm Lower & 3/8"30-60 lb-in. (3.5-7 Nm)

Latest News

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In last month’s installment of the “Grassroots Tech Barn,” we discussed the initial assembly of your new chassis. From an out of the box state, we assembled our chassis and short of a few minor …

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Machine Name= BRIGG-CW-WEB01