sherpat250

Hello, I tore the carb down and found the jet numbers. They are as follows: Needle Jet 106 Main Jet 160 Pilot Jet 20

Hi Brian, This may not be 100% kosher, but I have found that engaging the choke lever a 1/4 to 1/2 way on a TL-125 cures the cough condition, and the bike still runs reasonably well at higher speeds (though probably not optimal for higher speeds). I've never heard anyone else mention this remedy, but it works for me! You might want to give it a try.

Thanks, I'll give that a try. The needle does appear to be down almost as low as it will go, so there is certainly room to raise it. The slide appears to be nice and snug.

Thanks for the input. The bike is a Model 91, which I believe is 1972-74 time frame. It has a concentric carb, with no overflow tubes.

Hi all, Coming off of a no throttle condition, my engine goes through a brief "flat spot" where it nearly stalls. Advancing the throttle just a bit farther makes it suddenly 'spring' to life and it runs well from there on up to high RPMs. I thoroughly cleaned out the carburetor, even all of the little passages (all that I could find, anyway) and the bike continues to run erratic at low speeds. A possible clue: Adjusting the air mixture screw on the carb seems to make very little, if any, difference in how the engine runs. I thought perhaps the rubber insulator was leaking between the carb and block, so I tightly wrapped the joints with electrical tape--just as a test. It made no difference that I can tell. Anyone have any ideas of other things I can try? Thanks, Kevin Rochester, NY

Thanks, I got in touch with Mike at the Tryals Shop and he provided a wealth of information on trials in this area. I have another request in for some parts needs. Best regards, --Kevin

Thanks, Biff. I have made note of the Cayuta meet and would definitely like to check it out! Regards, --Kevin

Hello all, I'm new to Trials Central and just wanted to say hello from Rochester, NY. I rode trials in the mid-to-late 70s as a kid, and am now thinking of getting back into the sport. I have a 13-year old son who is showing great interest in trials, and we recently went to a vintage meet near here to watch. For most of the last 20+ years, I have had a Bultaco Sherpa T 250 and a Honda TL-125 in storage in my garage. I am now working to get them back in working condition. They only need some minor work (gummed carbs, cables freed up, etc.). It's great to see the interest in vintage bikes after all these years! I hope that I can get a tip or two from the knowledgeable folks on the forum. Wishing you all "cleans" in this year's season! --Kevin, Rochester, NY.