misteright1_99
Member
I bought a used 18mm Mikuni carb from a 70's Yamaha 80cc dirtbike and installed it on my 48cc HT engine. The carb was a direct fit right down to the clamp on type of mount to the intake manifold. The throttle cable fit the replacement carb as well with no modifications. I did have to lengthen the fuel line, as the inlet is on the opposite side in the Mikuni. Because of the style bike I decided to make an air filter assy. on a 90 degree turn. It runs much smoother than the stock carb (no surprise), I am however waiting on some smaller pilot jets as the ones in it are way too large. When I get the jets instaled and know the sizes I will post the Pilot, and Main jet sizes, as well as the air screw adjustment. Here are a few pics.......
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Carb Filter July 08 008.jpg Resized.jpg508.7 KB · Views: 1,952
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Carb Filter July 08 011.jpg Resized.jpg493.9 KB · Views: 1,562
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Carb Filter July 08 010.jpg Resized.jpg495 KB · Views: 1,641