World Formula

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

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

Model Number 124335
Type 8105-01
Displacement 206
Bore 2.6875/2.6885
Stroke 2.2
Compression Ratio 9.5 to 1
Factory Timing 29 degrees BTDC
Description Wrench / socket size Torque
Air Guard 7mm 40-50 lb-in. (4.5-5.6 Nm)
Blower Housing 10mm & 3/8" 60-110 lb-in. (7-12.5 Nm)
Carburetor (to manifold) 10mm 80-110 lb-in. (9-12.4 Nm)
Connecting Rod T27 140-150 lb-in. (16-17 Nm)
Cylinder Head Bolts 10mm 200-220 lb-in. (20-27 Nm)
Exhaust Brace Screws 10mm 95-125 lb-in. (11-14 Nm)
Exhaust Stud 10mm 95-125 lb-in. (11-14 Nm)
Flywheel Nut 15/16" 55-75 ft-lbs. (74.5-101 Nm)
Flywheel Fan 10mm 180-240 lb-in. (20-27 Nm)
Intake (to cylinder) 5mm Allen 70-90 lb-in. (8-10.2 Nm)
Oil Drain Plug 3/8" 100-125 lb-in. (11-14 Nm)
PVL Module 7mm 20-35 lb-in. (2.3-4 Nm)
Rocker Arm Stud 7/16" 90-120 lb-in. (10-14 Nm)
Rocker Arm Plate 10mm 70-90 lb-in. (7.9-10.1 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 10mm 140-170 lb-in. (16-19 Nm)
Starter Gear #2 Phillips 35-53 lb-in. (4-6 Nm)
Top Control Plate 10mm 70-90 lb-in. (8-10 Nm)
Valve Cover 10mm Lower & 3/8" 30-60 lb-in. (3.5-7 Nm)

Hello, Is the Noram clutch a spec clutch for the engine in IKF competition? Thanks

Asked by: golfergregg
Please submit your request to Briggs Racing here: http://bit.ly/UG6PIp
Answered by: Tracey_BriggsStratton
Date published: 2015-08-28

what cc is it

Asked by: turtles
205 cc in the manual although it is sometimes referred to as 206
Answered by: RacerX
Date published: 2015-08-27

show mucho it cost$$$$

Asked by: Anonymous
Please contact your local Briggs racing dealer here: http://bit.ly/GYxQ2N
Answered by: Tracey_BriggsStratton
Date published: 2015-08-19

part # 557117 what are the bore specs on this rod

Asked by: Don G
We do not produce such specs on this part. Please contact a local dealer for further assistance. You can find your nearest here: http://bit.ly/14yWuSi
Answered by: Tracey_BriggsStratton
Date published: 2015-08-11

What is the difference between Briggs Animal part no 555711 and World Formula part no 557015

Asked by: James E
To locate any information on your engine, you will first need the model type and code. Please see the following link for assistance in locating these numbers: http://bit.ly/17rzznN Once you have this information you can find information on your engine here: http://bit.ly/12pIs1I Select engine as your product type and follow the directions for entering the model and type into the search fields.
Answered by: Tracey_BriggsStratton
Date published: 2015-07-13

Hallo I need the Torque and Horsepower diagramm for World Formula engine 8105-01

Asked by: Andrea14
To locate any information on your engine, you will first need the model type and code. Please see the following link for assistance in locating these numbers: http://bit.ly/17rzznN Once you have this information you can find information on your engine here: http://bit.ly/12pIs1I Select engine as your product type and follow the directions for entering the model and type into the search fields.
Answered by: Tracey_BriggsStratton
Date published: 2015-07-24

Is there a rebuild kit available for the World Formula?

Asked by: jimmydean
To locate any information on your engine, you will first need the model type and code. Please see the following link for assistance in locating these numbers: http://bit.ly/17rzznN Once you have this information you can find information on your engine here: http://bit.ly/12pIs1I Select engine as your product type and follow the directions for entering the model and type into the search fields.
Answered by: Tracey_BriggsStratton
Date published: 2015-07-24

How can I change the direction of the world formula exhaust manifold?

Asked by: nmwf
We do not recommend any modifications to the engine. Please work with a dealer to determine if there is something that can be down to have this engine work for your application. Racing Dealer: http://bit.ly/GYxQ2N
Answered by: Nicole_BriggsStratton
Date published: 2015-07-24
  • 2015-09-02T07:23CST
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