Animal Racing Engine Discussion

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Posted by rhtxuawz in Animal/206 Engine Questions

Animal Racing Engine

Performance by Design. Briggs & Stratton Racing took the latest approaches in engineering, manufacturing, and testing to design for its dedicated racing engine from the ground up. One of the most popular Briggs racing engines, the Animal engine will help you compete in your next snocross or kart race.

Each Animal racing engine by Briggs & Stratton is hand-built by master small engine technicians and tested in our skunk-works in Milwaukee, Wisconsin.

Dual Ball-Bearing, RACING Reinforced Cylinder
Squeeze-Cast, T-7 Treated, Racing Rod
Ground Cam w/ Compression Release
High-Silicon Valve Springs
PVL™ Digital Ignition System
Racing Only Intake Port
Walbro™ Round - Slide Carburetor
Dana™ Fire-Ring Head Gasket
Racing Crankshaft w/ Induction-Hardened Crankpin
Federal Mogul™ Cam Ground, Barrel-Faced Piston
Chrome-Faced, Racing Only Ring Package
Nitrited Dished Exhaust Valve
Automotive 3-Piece Valve Retainer System
Beefy Rocker Arm Stud Nuts

Model Number 124332
Type 8003-01
Displacement 206
Bore 2.6875/2.6885
Stroke 2.2
Compression Ratio 8.5 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 115-120lb-in. (13 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)

Is this motor ready to run right out of the box? What do I need to run?

Asked by: joe10286
Please work with a Racing dealer for any additional items you may need depending on what type of equipment this will be used on. You can find a dealer here:
Answered by: Nicole_BriggsStratton
Date published: 2014-11-13

is it horizontal or vertical

Asked by: chito
Answered by: Nicole_BriggsStratton
Date published: 2014-11-11

what is the starting procedure for an animal on methanol?

Asked by: RAMracing

Is this engine ready for a rolling chassi ? Or are other products needed to run?

Asked by: big day

Wanting to know what all u need to make a racing mower have a Bolens st110 want to make pretty quick. Any ideas would be great thanks

Asked by: kaleob95
Our engines are not to be used in this type of applications. We can make no recommendations on how to do this.
Answered by: Nicole_BriggsStratton
Date published: 2014-10-13

Hi, i am from philippines and i bought briggs animal egine, i am completely noob with engines i thought when it comes i will just start it,anyone can help me how to set it up?i dont know where to connect fuel pumps. anything i need to set up? Thanks

Asked by: Lowell
Please go to our racing site at
Answered by: Nicole_BriggsStratton
Date published: 2014-09-12

can this engine be modified to improve power?

Asked by: butterfly
yes it can the animal is built to take anything you can give it so put a big cam and do what you want with it
Answered by: isabree01
Date published: 2014-09-07

I noticed that both the Local option and the world formula are 206cc. How is it that the world formula has up to 15HP, and the local option has only 8.8, when they have the same size displacement of 206cc.

Asked by: 22BM084
There are several reasons for the World Formula's power. It starts with a larger carburetor which flows into a cylinder head specific to the WF with a larger CNC Intake port and a 'kidney bean' combustion chamber. This combustion chamber combined with a custom piston exclusive to the WF with a matching 'kidney bean' dome increases both squish and compression. The last major performance difference is a much larger cam than the 206/Animal with over .050" more lift and duration. Allowing this all to happen is a PVL ignition system rev limited to 7,100 rpm, a dual valve spring system (springs, keepers, and valves unique to the WF), and a bullet aluminum rod to handle the extra power.
Answered by: Nicole_BriggsStratton
Date published: 2014-11-04