CRF250R and CRF250X |
CR250R and YZ250 |
47.6HP with Stock Pipe and JD Kit Parts |
CR250 PWK VS STOCK TMX CARBS |
CR250 PWK VS STOCK TMX CARBS |
CRF250R Test Bike |
CRF250X Test Bike |
2006 vs 2007 and newer CRF250/450 Carb Needles and Tops |
CRF250X Anti-Tamper Fuel Screw Bowl 2014 onwards |
Dyno Testing CRF250R |
Tachometer and Air/Fuel Monitored |
Dyno Tests with Stock and Twin-Air filters |
CRF250R_40mm_HP_AirFuel.jpg |
A/F Sensor is Behind Kickstart |
Air/Fuel Gauge using Exhaust Sensor |
CRF250R A/F Sensor in Headpipe |
DEP Headpipe |
CRF250R with DEP Pipe and JD Jetting Kit (2 runs) |
DEP Muffler |
CRF250R DEP and JD Jetting Kit Air Fuel (2 runs) |
KTM Handguards P/N 600.02.079.10030 |
CRF250 Carburetor Needle Access |
CRF250X Airbox Modification for Increased Airflow |
CRF250X Airbox Modification for Increased Airflow |
Use a long 3mm Allen wrench to remove the carb needle cover |
Honda needle removal tool to lift the needle out |
Use a long 4mm Allen wrench to remove the needle retainer screw |
Excel Rim Replacement |
06CRF250R 40mm FCR carburetor and manifold |
A/F measurements included |
Dyno Runs on CR250R, Kit w/ 380 &400MJ |
Street Tire for Dyno Tests |
Dyno Display |
CR250R Dyno1.jpg |
06CRF250R FCR carburetor, 40mm to 37mm at Manifold |
04CRF250 Manifold, 40mm to 37mm |
06CRF250 Manifold, 40mm to 37mm |