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Rules for 2 Stroke Engine Porting - dragonfly75.com

    http://www.dragonfly75.com/moto/portingrules.html#:~:text=2%20stroke%20porting%20rules%20Rule%20%231%3A%20There%27s%20more,suffer.%20You%20are%20robbing%20Peter%20to%20pay%20Paul.
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2-Stroke Porting — Duncan Racing

    https://www.duncanracing.com/2stroke-porting
    DR offers port designs for a multitude of options to accomadate all types of racing and riding including; MX, Desert, Drag Racing, Flat Track, TT, Ice Racing etc. DR performs their extensive port modification process on all 2-Stroke cylinders it ports. The process includes . Bore-Piston check. Cylinder Length Modification (if necessary to properly set deck height for correct squish …

TWO STROKE Drag Racing GONE WRONG! - YouTube

    https://www.youtube.com/watch?v=4NG4oVoiLVw
    It’s a two stroke drag bike race gone wrong…and right, that we will never forget. You will see plenty of drag bike fails but you will also see a 2 stroke dra...

Porting 2 Stroke - ken oconnor racing

    http://www.kenoconnorracing.com/ns/porting_2_stroke
    Porting 2 Stroke. Many things will affect the power delivery of two-stroke motorcycle engines. Pipes, silencers, carburetors, reeds and valves are all popular bolt-on modifications. These modifications can be extremely effective when used in the right combinations. The best thing about bolt-on modifications is if you don't like what the product does to the power band of the …

Two Stroke Cylinder Porting Tips - YouTube

    https://www.youtube.com/watch?v=8zIUhIrNk14
    Tips on how to port a two stroke cylinder, what to do/not do and how to do it right. Support me on Patreon!https://www.patreon.com/2strokestuffingDonate to 2...

Two Strokes - HP Race Development

    https://www.hpracedevelopment.com/two-strokes.html
    The old adage of stuffing cases on every project just isn't true any more. The trend in high performance two strokes has continued towards more case volume, however each engine and application differ. In motocross it's usually a compromise between best peak HP and good early off the pipe power. We have the optimum case modifications to suit ...

Rules for 2 Stroke Engine Porting - dragonfly75.com

    http://www.dragonfly75.com/moto/portingrules.html
    2 stroke porting rules. Rule #1: There's more or less a set amount of power available for you to manipulate. If you port for high RPM power then your low/mid-range power will suffer. You are robbing Peter to pay Paul. In the example below the blue graph shows a porting power peak at 9000 RPM and the black graph shows a porting power peak at 10,700 RPM although they both …

RacingSM Software - 2-Stroke Development

    http://www.software.racingsm.org/
    Enthusiasts, Tuners, Mechanics, GP, Drag Racing, MX, Enduro. There is no 2-Stroke displacement limit for our Software, for example you can have a 125, 250, 500, 700 single-cylinder and our modules will work flawlessly. From a 49cc Racing engine, to a GP 125 engine, or a 1500 Mercurial Triple engine, or a 250 Kart engine, RacingSM Software suits all.

Who does best 2 Stroke porting? - Tech Help/Race Shop

    https://www.vitalmx.com/forums/Race-Shop,42/Who-does-best-2-Stroke-porting,1294957
    Joined: 6/22/2009. Location: Brooksville, FL USA. 12/24/2015 6:40 PM. Brent at TDC 2 Stroke has acquired data from from builders all over the world. He then has put his own programs together and applied to US MX 2 stroke motors. He'll take a competitor's motor tune it to it's best numbers on his dyno.

Lukes Racing Engines

    http://www.lukesracing.com/luksr/tips.html
    Ceramic coated pistons have been in use for years, in drag racing, snowmobile racing, circle track and even NASCAR. All motors benefit from Ceramic coating the piston, head and valves, but 2 stroke motors gain the most. The exhaust valve is the hottest part in a 4 stroke motor and the most likely part to fail.

Building A Record-Smashing Two Stroke Drag Bike

    https://www.cycledrag.com/building-a-record-smashing-two-stroke-drag-bike
    Nov 17 th , final test before ManCup finals, not too bad, starting to show potential. Nov 24 th , set the record for naturally aspirated H2s at 7.83 @ 167mph. Nov 25 th , bike goes five rounds to the S/E finals, motor never missed a beat. After the …

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