Question about 2001 Suzuki FXR 150
1. Install a larger main jet to your standard fxr150 cabrurettor. We suggest fitting a 117.5 main jet, also remove the airbox and replace with an appropriate pod type airfilter. you will notice a gain in power and also a cool induction noise! 2. Fit a new aftermarket carb like a Keihin PE28 this is a chrome round slide carb which has the advantage over the stock carb that while still being 28mm there is no butterfly and shaft obstructing the airflow. 3. Another easy option is a GN250 carb, it’s a CV type of about 33mm, you can fit this with stock GN jetting and the engine will run GREAT and give quite a noticeable gain in power all over the rev range. 4. Try a flatslide carb from a DR200 if you can find one that is! I have one fitted to my race bike (see projects section) and i'm now looking for the best jetting options, but for now with the jetting i have made it looks to be a very promising carb for the fxr150, check back soon! 5. Honda XL250 carb, this so far has worked by far the best with my race engine and also very good with the std engine, but i did have to make a new throttle cable. For my standard road engine i used a 140mains jet, for my race engine with cams i had to drop the size and use a 130 main jet.
Posted on Nov 10, 2008
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