Animal

M-series Discussion

I'm buying an older Rocket kart with 1st gen WF. Engine runs and sounds great but I really have no clue what to expect. What would be the first thing …

Posted by Genes1s in M Series/World Formula Questions

M-series

Building off of the proven success of the Animal engine, the M-series is the first dedicated racing engine engineered to meet the needs of the Quarter Midget market.  Right out-of-the-box, the M-series is focused on the consistency, and simplicity that racers deserve.  Each engine is hand-built and tested in Milwaukee, Wisconsin with the craftsmanship and quality we stand behind

Splined Crankshaft
Factory Controlled Piston Pop-up
Custom Control Plate to better fit today's cars
Ground Cam w/ Custom Compression Release
PVL™ 6100 RPM Limited Digital Ignition
Studded Exhaust Port
Fuel Filter
Dual Ball-Bearing, RACING Reinforced Cylinder
Squeeze-Cast, T-7 Treated, Racing Rod
High-Silicon Valve Springs
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 8203-01
Type 8203-01
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 there anywhere to find the dimensions for your racing engines? I'm performing an engine swap on an old quad and haven't been able to find them. 

Asked by: Jonah D
You will be able to obtain this information from a local Briggs Racing dealer. You can locate a dealer here: http://bit.ly/GYxQ2N
Answered by: Tracey_BriggsStratton
Date published: 2016-01-11

if not which engine can i use its a one of them small four wheelers 

Asked by: strange48
Please locate an engine model number and submit your question here to Briggs Racing: http://bit.ly/UG6PIp
Answered by: Tracey_BriggsStratton
Date published: 2016-01-11

can it be used on a four wheeler im trying to rebuild, and it doesn't have an it don't have a engine

Asked by: strange48
Please locate an engine model number and submit your question here to Briggs Racing: http://bit.ly/UG6PIp
Answered by: Tracey_BriggsStratton
Date published: 2016-01-11

What does this engine have that is an advantage over the standard animal?

Asked by: Jason E
For further assistance, please submit your request here: http://bit.ly/UG6PIp
Answered by: Tracey_BriggsStratton
Date published: 2016-01-03

Yes I'm looking for a short block for the m-series. Do you sell one and how woe I go about ordering it. Thanks. 

Asked by: Strangerodz
For shortblock information, please see an authorized local dealer. You can locate your nearest here: http://bit.ly/14yWuSi
Answered by: Tracey_BriggsStratton
Date published: 2015-09-28

Ih ave about 900$ to spend on a racing engine what would be my best option and how much torque (hp) whould it have and how fast would it go? Thanks! -tucker

Asked by: true_2000
Please contact your local Briggs Racing Dealer for assistance in choosing the best engine for your needs. You can locate a racing dealer here: http://bit.ly/GYxQ2N
Answered by: Kaylin_BriggsStratton
Date published: 2015-07-20

What is the difference between this engine and the racing animal engine?

Asked by: Packman23
The main difference is the HP rating. Please work with your local dealer to determine the best racing engine to fit your needs. You can find a racing dealer here: http://bit.ly/1jE0uFR
Answered by: Nicole_BriggsStratton
Date published: 2016-01-03

What is the starting system for this engine? Recoil or electric?

Asked by: Branden
The starting system is a push start. Typically once the engine is installed on a cart, the cart is pushed to start.
Answered by: Nicole_BriggsStratton
Date published: 2015-02-09
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