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| James Dean | profile | all galleries >> Galleries >> KTM 2-Stroke 250/300 POWER VALVE TUNING -Picture Gallery | tree view | thumbnails | slideshow |
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 Testing for Power and Jetting on Dyno |
 2017 Mikuni Carb Testing TMX 38mm on KTM 2 Strokes |
 KTM Motorcycle Power Comparison- 4 Stroke vs 2 Stroke |
 Torque Comparison- 4 Stroke vs 2 Stroke |
 HP Comparison_150 200 250 300 |
 Torque Comparison_150 200 250 300 |
 125 MX Dyno Comparison |
 Mikuni TMX 38mm Oval Slide Carburetor Overflow Tube Routing to Improve Mileage |
 Mikuni TMX 38mm Oval Slide Carburetor used on 2017 KTM 2-Stroke Motorcycles |
 KTM 300XCW 2013 Stock and SX Heads Torque Comparison |
 Mikuni TMX38 Late Model Float Height Approx. - 8mm |
 Mikuni TMX Float Measurement 8.7mm +/- 1.0mm (2003 RM125) |
 Mikuni 38mm Carb on 2017 KTM 250 300 motor |
 Mikuni 38mm Carb on 2017 KTM 125 150 motor |
 2017 KTM -TMX Late Model V2 Inlet- Needle Jet is Removed |
 TMX Late Model V1 Inlet |
 KTM Power Valve Opening vs Engine Speed |
 Power Valve Colored Spring Adjustment RPM 2013-16 |
 PWK28 vs PWK41 vs PWM38 |
 JDJetting Dirt Rider Power Valve Tuning Article Lead-in |
 PV BOTTOM LINE- Turning out the PV screw lowers power 4.5-6K, Turning inwards or a stiffer colored spring loses power 6-8K rpm |
 JDJetting Dirt Rider Power Valve Tuning Article 2- Turning PV Screw Outwards Lowers Power 4.5-6K rpm |
 JDJetting Dirt Rider Power Valve Tuning Article 3- Turning PV Screw Inwards Lowers Power 5.5-7.5K rpm |
 JDJetting Dirt Rider Power Valve Tuning Article 4- Stiff colored Yellow and Green Springs drop 6-8K Power |
 KTM 300 Power Valve- Turning Screw Outwards from Approximate Mid-Point |
 KTM 300 Power Valve - Turning Screw Inwards from Approximate Mid-Point |
 KTM 300 Colored Power Valve Spring Comparison- None Red Yellow Green with PV Screw Near Midpoint |
 Powervalve Springs- Adjustment (Dolly adjust) Springs and Red, Blue, Yellow, Green Auxiliary Springs |
 Testing for Power and Jetting on Dyno |
 KTM 300XCW |
 KTM Power Valve Opening vs RPM with Springs and Dolly Screw Position- Threads Showing by Turning Inwards |
 Red Spring- Screw Settings Low(in), Med, Hi(out) |
 Red Spring- Screw Settings Low(in), Med, Hi(out) |
 Red Spring- Screw Settings Low(in), Med, Hi(out) |
 KTM 250/300 Power Valve Adjustment Tool |
 Green Spring- Screw Settings Low(in), Med, Hi(out) |
 Green Spring- Screw Settings Low(in), Med, Hi(out) |
 Green Spring- Screw Settings Low(in), Med, Hi(out) |
 KTM 300 Ignition Map Hi/Low Tests at Quarter, Half, and Full Throttle |
 KTM 300 Ignition Map Hi/Low Tests at Quarter, Half, and Full Throttle |
 KTM 300 Ignition Map Hi/Low Tests at Quarter, Half, and Full Throttle |
 KTM Power Valve Study Torque Red 1 3 5 Turns Inwards from completely outwards, Green 4 Turns Inwards |
 KTM 300 Stock PWK36 vs Bored Carb =50HP |
 KTM 300- Stock 36mm Carb vs 38mm PWM Carb = 52HP |
 KTM 300 Stock 36mm Carb vs 38mm Air Striker Carb = 50HP |
 PWK 38mm Air Striker Adapter Kit for 2012-14 KTM 250/300 XCW, 2011 250/300XC, SX |
 PWK 38mm Air Striker Adapter Kit for 2012-13 KTM 250/300 XCW, 2011 250/300XC, SX |
 KTM 300XCW |
 Powervalve Springs- Adjustment (Dolly adjust) Springs and Red, Blue, Yellow, Green Auxiliary Springs |
 KTM 250/300 Power Valve Springs |
 KTM Power Valve Springs vs RPM |
 KTM Power Valve Springs Graphed |
 Dicks Racing Oval Bore 38-39mm Carb with JDJetting Specific Kit |
 Stock 36mm and Oval Bore 38-39mm Carburetors with JDJetting Specific Kit |
 Stock PWK 36 Before Oval Bore |
 Dicks Racing Carb After Bore Carb with JDJetting Specific Kit |
 PWK 38mm Air Striker Adapter Kit for 2012-14 KTM 250/300 XCW, 2011 250/300XC, SX |
 KTM 300XCW Bored carb vs PWK38 Air Striker vs Stock PWK36 HP |
 Stock KTM 300XC 46HP |
 KTM 300XCW |
 KTM 300XC |
 KTM 300XC with air/fuel monitoring |
 KTM 300XC - Dyno Testing |
 KTM 300XCW |
 KTM 300XCW |
 KTM 300XCW |
 Testing for Power and Jetting on Dyno |
 Testing for Power and Jetting on Dyno |
 Testing for Power and Jetting on Dyno |
 300XCW Power Valve Study HP Red 1 3 5 Turns Inwards, Green 4 Turns Inwards |
 KTM 250SX PWM38 vs Stock PWK36 HP |
 KTM 300XCW 38mm Carb vs 450XCF Both Stock and Modified |
 KTM 300XCW 38mm Carb vs 450XCF Both Stock and Modified HP |
 KTM 300XCW Power Valve Springs- None Red Yellow Green HP |
 KTM 300 PV Tuning Adjustments vs KTM 350 and 450 |
 KTM 300XCW with 38mm Carb vs 450XCF HP |
 KTM 300XCW with 38mm Carb vs 450XCF Torque |
 PWM Intake Pic |
 PWM Intake Pic |
 PWM Intake Pic |
 PWM Intake Pic |
 KTM 300XCW 2010 20 and 19 Adjust Spring Torque rpm.jpg |
 KTM 300XCW 2010 20 and 19 Adjust Spring HP vs RPM |
 KTM 300 Red and Green PV Springs vs KTM 350XCF and 450XCF HP |
 PWK 38mm Air Striker Adapter Kit for 2012-16 KTM 250/300 XCW, 2011 250/300XC, SX |
 KTM 38mm Air Striker Manifold Conversion |
 KTM 38mm Air Striker Manifold Conversion |
 KTM 38mm Air Striker Manifold Conversion from stock 36mm for More Power |
 KTM 38mm Air Striker Manifold Conversion |
 PWK 38mm Air Striker Adapter Kit for 2012-13 KTM 250/300 XCW, 2011 250/300XC, SX |
 KTM 38mm Air Striker Manifold Conversion |
 PWK 38mm Air Striker Adapter Kit for KTM 250 300 XCW |
 KTM 300XC - Dyno testing with street tire |
 KTM 300 (Upper Curves) and KTM 200(Lower Curves) Torque and Wheel Speed vs RPM |
 KTM 200XCW Power Valve Study Torque- Stock vs Turning In and Out on PV Height Adjustment |
 KTM 200XCW Power Valve Study HP- Stock vs Turning In and Out on PV Height Adjustment |
 KTM 200XCW PowerValve Study Torque- Adjusting PV Height |
 KTM 200XCW PowerValve Study HP- Adjusting PV Height |
 Float Weight PWK Carburetor |
 Float Weight TMX Carburetor |
 TMX Overflow Tube in Float Bowl |
 TMX Float Vent Overflow Tube Routing for Increased Mileage and Less Fuel Spillage |
 Lectron Vent and Overflow Hoses are High on Carb |
 PWK 28 vs TMX 38 on KTM 300 |
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