VP Racing Fuel’s Kyle Moose found this 2004 CR250 in decent shape. It was taken down to the frame by Terry Varner and rebuilt from the ground up. Terry explained that he worked on improving the bottom and mid-range with his engine modifications and he let the FMF exhaust help the bike to rev into the stratosphere. The combination of the two made for a potent motor package.
Varner matched the Moto Tassinari V-Force reed to the intake manifold as well as the case matching for more overall power and they were able to use the stock Mikuni carburetor jetted for the stock bore. The jetting we ended up with was a 45 pilot, 420 Main, standard needle clip in the third position. We also used the two stage at Uni filter. The entire engine kit totaled $1,450. This package makes 49-50 hp on C12 and near 52hp on MRXO2.
Plenty of power for fun or racing. The 13/49 gearing is good for most MX riders. The bike was incredible to ride felt like a brand new race machine.
Check out the video to see the entire test.
Cylinder, Head and V-Force mod
Pro Replica Piston kit (ring, pin and clips)
Aluminum Rear Sprocket
Two-Stage air filter
Full Clutch set up with cover (plates, basket, inner hub, pressure plate)
Factory Fatty exhaust
Stadium front plate
Front Cycra Lite front fender
V-Force Reed Cage
Steering stem bearing kit
Shock Bearing kit
MX 3S front 80/100-21
MX 3S rear 110/90-19
Semi-Custom Graphics kit
Pre printed number plates backgrounds
Custom Cool seat cover
Elite Clutch Perch
Rear Master cyl guard
ASV front brake lever
Carb Rebuild kit
Custom made Clamps for 2018 front end pieces and newer forks with large Bar Mounts
Wheel rebuild parts
Full suspension mod and conversion to air fork
Rear Chain Guide & chain slider
Maxima Racing Oils
927 two-stroke oil
CU2_1066 Simon Cudby CU2_1063 Simon Cudby CU2_1065 Simon Cudby CU2_1068 Simon Cudby CU2_1073 Simon Cudby CU2_1072 Simon Cudby CU2_1076 Simon Cudby CU2_1070 Simon Cudby CU2_1079 Simon Cudby DSC00585 Simon Cudby DSC00597 Simon Cudby DSC00612 Simon Cudby DSC00620 Simon Cudby CU2_1069 Simon Cudby CU2_1067 Simon Cudby