450EXC and 530EXC |
400XCW |
530EXC-R with Motard Wheels |
Throttle grip marked for testing jetting |
Dirt_Bike_KTM_530EXC_Jet_Kit_Review |
450XCW on Dyno for Air/Fuel monitoring and HP evaluations |
450EXCR |
530EXC-R JDJetting Dyno Testing |
400EXC - on Dynamometer with air/fuel measurement |
530EXC-R JDJetting |
Max HP Comparison for 400 450 530 |
KTM EXC STK vs JD kit with tailpipe restriction removed (S/A remains in place) |
450XCR-W Screen Insert |
Carb Drain Plug Removed for Access to Pilot and Main Jets, and Accelerator Pump Cover Removal |
530EXCR Idle Mixture vs Fuel Screw in 1/2 turn steps |
EXC-R/XCW Silencer Endcap (left) vs XCF/SXF Endcap (right) |
450/530EXC-R Exhaust Tip |
Dual Sport Hose Routing - Converting to Closed Course, the fuel tank and carb must vent openly and the vacuum fitting is blocked |
***Critical Closed Course Mod #1***, Fuel Catch Container, Drain Often to Avoid Overfilling |
Remove Plug from EXC to allow carb venting and prevent over filling of catch container |
450XCR-W Open Tip Exhaust |
***Critical Closed Course Mod #2*** Emissions Vacuum Fitting |
***Critical Closed Course Mod #2*** Emissions Vacuum Fitting with Hose Disconnected |
***Critical Closed Course Mod #2*** Emissions Vacuum Fitting and Replacement 6 x 1.0mm, ~10mm long bolt plug |
***Critical Closed Course Mod #2***, Vacuum Fitting Replaced with Block-off Plug for Closed Course Mod |
***Critical Closed Course Mod #3***, Fuel Tank Vent Line Plug |
***Critical Closed Course Mod #3***, Fuel Tank Vent Line Left Open for Closed Course Mod |
450/530EXC Exhaust Tip Mod for More Power |
530 Max HP Exhaust Comparison Stock Endcap, Open Endcap, and SX Silencer |
Remove Seat Bolt Under Fender to Remove Seat for Jet Kit Installation |
Remove Radiator Shroud Bolts to Remove Tank for Jet Kit Installation |
Remove Radiator Shroud Bolts to Remove Tank for Jet Kit Installation |
Carburetor Manifold Clamp Orientation Recommended |
Pull carb rearwards out from the intake boot, then lower the carb in front, then turn the carb |
Carb Bottom Access when Pulled Back and Lowered for Jet Kit Installation |
Carb Drain Plug Removed for Access to Jets and Accelerator Pump Cover - Pilot jet is only lowered when vacuum line is blocked |
Pump Effects with #40 leak jet and Reduced Pump Flow |
Carb top Access with Carb Pulled Back and Lowered |
Needle is Accessed after Carb Top is Removed |
Vacuum Line to 450EXC/525EXC Street Emissions 2007 |
450 or 530 FCR Carburetor with O-ring on Linkage |
530EXC-R with Motard Wheels |
530EXC-R with Motard Wheels |
Mad Lake Trail with KTM 530EXC |
Mad Lake Trail |
Mad Lake Trail |
Mad Lake Trail |
Mad Lake Trail |
Sugarloaf Lookout Wenatchee |
5800ft at Sugarloaf Lookout |
Sugarloaf Lookout Wenatchee |
5800ft at Sugarloaf Lookout |
400XCW |
400XCW |
400XCW - Riding up to 7000ft |
'06 KTM 450XC 525XC |
JDJetting KTM450XC |
450/530EXC-R Exhaust Tip Mod for More Top-End Power |
450/530EXC-R Exhaust Tip Mod for More Top-End Power |
Drain Plug Removed from Catch Container |
450XCR-W on Dyno with Street Tire |
450XCR-W Lowered and Rotated to Access Bottom Plug and Main/Pilot Jets |
450XCR-W with O-ring on Linkage |
2007 525EXC Street Legal KTM |
450 XC |
525XC with Large Tank Stock for Extra Range |
450XC, Triple Clamp and Shock match SX |
IM002251.JPG |
Dual Sport Exhaust Tip.jpg |
2007 EXC Emissions Canister |
Fuel Catch Container, -Drain Frequently to Avoid Flooding |
KTM 450 XC |
450XC Exhaust Flange Misaligned Causing Popping on Deceleration |
KTM 450 with Air/Fuel Sensor (Wide Band) |
KTM 450 with Air/Fuel Sensor (Wide Band) |
Carburetor fluid catch container- Drain frequently |
IM002241.JPG |
Dual Sport Valve Internals.jpg |
JDJetting Dyno, '06 KTM450XC |
JDJetting Dyno, '06 KTM450XC |
JDJetting Dyno, '06 KTM450XC |
Optional Airbox Cover |
Motorcycle Dyno Tuning for Kit Settings |
Checking Air/Fuel Mixture |
525XC Choke Access Off-Center in '06 |
400EXC - on Dynamometer |
Spare Wheels with Street Tires for Dyno Runs |
Alpine riding at 7500ft |
Stream near French Creek |
Near Riggins, ID |
Burgdorf, ID |
7500ft in near Burgdorf ID |
North of McCall ID |
Idaho Stream Crossing |
John B on Switchback Trail |
KTM 450XC in Idaho |
KTM 525 Jetting Test Bike |
IM002291.JPG |
IM002274.JPG |
KTM 450XC- Plated with Motard Trim |
Plated KTM 450SMR |
KTM 450 with 17 inch rims |
TrailTech Bar Risers with Scotts Damper |
KTM 450XC in Motard Trim |
KTM Motard Front |
KTM Motard Rear |
KTM Rear Hub with Cushioned Drive |
EXC-R Horn |
Motor Changes for 2008 |
KTM 525EXC Dyno test |
KTM 525EXC Dyno test |
Power curves comparing the 450 and 525 EXC's |
Comparison of 450 and 525 EXC's |
Stock '07 525EXC with restrictions in place, JD jet kit vs stock jetting |
450EXC Daul Sport-- Comparing stock restricted/jetted, JD kit only, and JD kit with tailpipe restriction removed |
KTM Exhaust Flange Misaligned, Causing Air Leakage and Popping on Deceleration |
KTM 450 with Air/Fuel Sensor (Wide Band) |
KTM 450 with Air/Fuel Sensor (Wide Band) |
KTM 450 XC |
KTM 450 XC |
KTM (Too Fun to be Legal) |
450XCR-W |
530EXC-R JDJetting Dyno Testing |
530EXC-R JDJetting Dyno Testing |
XCF/SXF Endcap vs EXC-R endcap (right) |
XCF/SXF Endcap vs EXC-R endcap (right) |
530EXCR Max HP Exhaust Comparison with Air/Fuel |
IM004830.JPG |
IM004833.JPG |
Carb Drain Plug Removed for Access to Main Jet, Pilot Jet, and Accelerator Pump Cover |