My 250 was loading terribly- most notably on the starting gate. Plus I couldnt stand the way the bike sounded like a 1983 CR 500 on decel. I installed this JD Kit and it was an amazing difference with crispness and response as well as fixing the weird decel sounds. Just purchased for my 18 125sx and I'm about to install today. Psyched.
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I put my Clarke tank on fix right on looks good. Now I can ride a long way now. It sucks when you run out of fuel.
The instructions explained exactly what needle and jet to use for my specific elevation of riding. I’ve used jd jet kits on my other bikes and they work great. The only downfall is it didn’t specify what jet/needle combo to use with an aftermarket pipe.
JD jetting totally change my bike it is now a beast
The performance difference is amazing. Get one !
I recently uncorked my WR250 and ran into some stumbling and blogging issues as well as a lack of quick torque. I bought the JD kit, and man has it turned this into a new bike. I can now easily lift the bike over rough terrain and logs with confidence! The instructions are very thorough and it makes it super easy. Comes with plenty of jetting options to make the perfect tune.
Put this on my 2006 crf250r made a positive improvement over all. Comes with two needles main jets and two O-rings. Currently running red needle 5th clip with 185 main and the thicker O-ring of the two. Took that dreaded off idle bog away for the most part. Overall highly suggest this to anyone looking to tune up their carb with performance in mind.
Jetting kits cost a lot for what they give you but they are a bargain for what they accomplish. Removing and reinstalling the carburetor on a DRZ 400 is kind of a pain and it is better to spend your money on a JD kit, follow the instructions one time and have a great running bike than to figure out the jetting variables yourself.
Good kit with everything added, no worries!
Bought a little over a month ago. Has performed flawlessly in the 6 hours I’ve put on the kit.