WR400 SUPERMOTARD

I finished my WR400 and boy is this fun !!! [*See notes below] The bike has Excel rims 3.5 front and 4.25 rear fitted with Pirelli MT60Rs in 160/60 rear and 120/70 front. On the rear I found that if you move the rim away from the chain a little by loosening the spokes on the chain side and tightening them on the other you can move the tire over just a little to get more rear tire clearence. With the MT60R move the rim until you get the chain to clear and then take a razor knife and trim just the sharp edge off the tire until it just meets the tread. Then do the same to the other side of the tire to provide pipe clearence when the shock bottoms. The pipe is then spaced out just a little. On the front the 120/70 will rub on the fork guard guides so this requires filing the guides flat at the point where the tire will pass. The left side is flat but the right is not so get both guides equal then adjust the rim until it is centered. Again take a razor knife and take just the sharp edge of both sides of the tire. The front brake was the biggest problem. Nobody had anything to fit until I found that Force Racing (602-867-9600) had 300mm front brake kits for the YZ/WR but unfortunatly these were not full floating and too thin for supermoto riding. So I got the caliper mount for the 300mm disk from them and then got a 300mm ductile iron full floating Brembo disk and had a machine shop make a a new center carrier for the disk. A little machining on the caliper mount for the wider disk was needed in order to clear the floating pins. The result is this thing stops HARD. I don't think you really need a 4 piston caliper for this type of bike. The exhaust is a White Bros. E series with no disks and an open end cap along with a larger head pipe. The box on the left side is a DR350 battery box with a YT4LBS sealed battery rated at 3 amp hours. With the E-Line lighting coils the net result is 280 watts of total power. The headlight is stock with a 45/45 watt bulb plus also installed is an additional 50 watt spot light (look close at the front number plate) from Dick Clepk; a company that supplies off road lights for trucks. the bike is wired so the low beam remains on all the time but the high beam activates the spotight as well. This means on high beam I have 45+45+50+145 watts of lighting. A Sigma Sport BC800 bicycle computer was added but I found the sensor would not hold up to motorcycle use so I installed a sensor kit for a Moose Pacemaker enduro computer then picked up a 1/2 inch magnet and drilled a hole in the disk and epoxied it in place. The sensor was wired to the bicycle computer and it works great. Present gearing is 16/45 on the street which works out to 106.99 MPH at 10,500 RPM at which point the rev limiter kicks in. Dual sport use sees 15/45 gearing and works out to 100.30 MPH at a similar rev limit. What's in the future? I will get the dual curve programable Vortex CDI which allow a factory bike type rev limit of 11,400 RPM. This will result in 116 MPH with 16/45 or 108.90 MPH with 15/45. Then how about a Thumper Racing 450 kit with a White Bros. large intake valve kit and some headwork ???.......I was wrong this bike will never be finished ! :-)