Maintenance & Technical > KX500 Steel Frame Conversion (SFC)
2003 KX 250 SF Conversion
umberto:
So I finally got a chance to fire Goliath up with the new carb, and dear Lord did that make a difference. No more hesitation at low rpm. It lit the rear tire up going out of my driveway like a funny car. I think I'm going to like this bike even more now. :evil:
I also ordered an IMS 3.1 gallon tank. I got it in black, which is custom order, so it may take up to eight weeks to get here. I guess I'll just have to stay close to home for now. :-D
DoldGuy:
That's Great News! Do you know what needle he sent with the carb (4-2Xl,5-2Xl) ? Also don't forget if/when you get time, check the main jet block on the PWK (I am a Curious George :roll:)
DoldGuy
umberto:
I kept telling myself to write down the needle, because everyone seemed interested on the last Lectron thread. I remembered that I wanted to write it down, right as I finally got the carb in the intake boot. I couldn't bring myself to take it back off. I still haven't talked to Dennis about my throttle fix, so I'll call tomorrow and get the needle when I update him.
I've got the old carb on the workbench. I'll get some pics on Saturday to satisfy your curiosity. I'm curious to see what's going on in there as well.
umberto:
I spoke with Dennis this afternoon, and he told me that he had installed a 5-2 needle in the carb. My riding areas vary from 450 to 1100 feet above sea level (if I don't go up a mountain near my parent's place), if that helps any.
umberto:
One of the last things I wanted to do to Goliath (I'm starting to like that nickname) was to add a Trail Tech Vapor computer. The reason I wanted one is to be able to monitor the engine temp, but having a tachometer and speedometer is nice too. While I had the tank off for the carb swap I went ahead and put the tachometer lead on the plug wire, and covered it with electrical tape to keep it place.
The temperature gauge uses a sensor that goes in the radiator hose. I had to use a tube to connect my radiator hose originally, so I just replaced the tube with the sensor. It works really well.
The last piece is the wheel speed sensor. To fit it, you must drill a hole in the caliper mounting bracket and use the included self tapping screw. Because I am using the oversized rotor, I had to adjust the mounting spot quite a bit. I used some electrical tape to hold the sensor in place so I could test to make sure it worked. I ended up on the opposite side from where the recommended, but it seems to be working fine.
I mounted the computer behind the handlebars, hoping It would protect it from roost and wrecks.
I took the bike around the block to test everything, and I was amazed again at how well the carburetor works. It is about 40 degrees outside, and the bike started, idled, and ran so crisply. Best modification I've ever made to a bike. I desperately need to go ride this dude. Hopefully I'll have some time next weekend.
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