The Billetron 38 2-Stroke Carburetors are designed specifically to improve ease of tuning, consistency, and performance

250-300cc, 38mm Bore, 78mm Length

Design Changes:

• Billet construction
• Metric hardware
• OEM throttle cable compatibility for most two stroke applications.
• Shorter overall length and height
• New metering rod adjustment mechanism (1/8th turn increments)
• Bowl drain with integrated g-force kit
• H-Style slide (aluminum now vs. Zinc previously)
• New top cover design with two screws and locating tabs
• Gasketed body halves with dowel pins vs. sealant
• New bore and bell design
• New choke design
• New float system
• New high flow, sprung needle seat valve
• New bowl material (clear, more impact resistant)
• Horizontal power jet screw that is adjustable by hand
• Relocation of carburetor vents with 4 lines

Performance Improvements

• Significantly more bottom end hit
• Significantly improved throttle response
• Faster power jet activation
• New slide design and metering rod location improves idle
• Finer idle adjustment (much finer threads on screw)