Junior 206

Hand-built in Milwaukee, WI. using tooling and dies specifically for racing for unparalleled repeatability.

Factory sealed short-block with ground cam and controlled piston pop-up (reducing compression variance)

Simplified IKF/WKA rule set designed to maintain a stock configuration right down to the factory shipped carburetor jets.  This is NOT today’s standard Animal rule set.

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
Extended Carburetor slide to control power (555728)
Locking Carburetor Cap system
Racing Crankshaft w/ Induction-Hardened Crankpin
Federal Mogul™ Cam Ground, Barrel-Faced Piston
Goetze performance piston ring set
Nitrited Dished Exhaust Valve
Automotive 3-Piece Valve Retainer System
Beefy Rocker Arm Stud Nuts
Green™ Air Filter
Max-Torque clutch and fastener set

Model Number 124432 8202-01
Type 8202-01
Bore 2.6875/2.6885 in.
Stroke 2.2 in.
Compression Ratio 9 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)

how much oil do you put in this motor?

Asked by: dragracer

Are there any 3D models or 2D drawings of the Junior 206 engine block available?

Asked by: BrentR
We do not have any available CAD drawings of this engine block.
Answered by: Tracey_BriggsStratton
Date published: 2015-07-16

Hi there, our group would like to improve the fuel economy of a project. They are using this type of engine. Could you give me some information, for example, the power curve and other test info? I would very appreciate your help!

Asked by: samD
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: 2015-07-07

Can you tell me what the internal threads are inside the output of the cranshaft? Thanks

Asked by: cobrakid8
That is a specification we do not have to release.
Answered by: Nicole_BriggsStratton
Date published: 2015-05-22

How many cc is the junior 206?

Asked by: AzurithM
Please visit our racing website which you can locate here: http://bit.ly/UG6PIp
Answered by: Tracey_BriggsStratton
Date published: 2015-05-22

what type of oil the junior 206 take?

Asked by: tp678
For information on our Briggs racing engines please visit: http://bit.ly/UG6PIp
Answered by: Tracey_BriggsStratton
Date published: 2015-05-22

What type of oil should be used in a junior 206?

Asked by: fisse
We recommend the Briggs & Stratton full synthetic 4T racing oil. This can be purchase through a local Racing Dealer found here: http://bit.ly/GYxQ2N
Answered by: Nicole_BriggsStratton
Date published: 2015-05-22

I am looking at purchasing a 206, before i do so i have been looking into eletric fuel injection systems and electric starters. I have had little luck, can you point me in the direction of a starter and a fuel injection system. thanks 

Asked by: marey198426
Please work with a Briggs & Stratton Racing dealer/technician found here: http://bit.ly/GYxQ2N
Answered by: Nicole_BriggsStratton
Date published: 2015-02-20
  • 2015-07-26T07:51CST
  • bvseo_cps, prod_bvqa, vn_cps_3.1.5
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_16
  • loc_en_US, sid_43F6F842-42D6-4EC7-85DF-2793B85938EB, PRD, sort_recentQuestionsFirst
  • clientName_BriggsStratton