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Yamaha MX & Off-Road Dirt Bikes
Yamaha XT350 Jets
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[QUOTE="jsnmid, post: 1220859, member: 72228"] I've done quite a bit of work to my carb to solve a mysterious lean condition (after I replaced the intake boots) after it was stored for several years. Here is a list of things I did. 1. Adjust the Pilot screw to 3 1/2 - 4 turns out. The screw is under a brass cap on the fromt of the float bowl. just drill the cap out to get to it. -this will fix the idle and it will start MUCH easier. It will also help off idle response. 2. Shim the needles if it's lean at 1/4 to 1/2 throttle. Just get some small washers from the hrdware store 3. Replace the main jet on the primary carb with one from an XT600. I think I used a 140. If I remember correctly there are 2 sizes available for the 600 that are bigger than the 350 4. Installed home made Power Now inserts. -I did this instead of trying to find a Pilot jet or drilling mine out. I just posted pretty much the same thing over at thumpertalk in the vintage forum except I included some usefull links. Jason '90 XT350 [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Yamaha XT350 Jets
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