Two 4.00/4.50-18 Heavy Duty IRC Tubes CB300FA 250 XC-F / XCF-W 2008

250 XC-F / XCF-W  2008

3LN5 INNER Carbs Numbers 2 or 3

1998 Yamaha ROYAL STAR STANDARD XVZ13AK

Main Jet  #132

Two 4.00/4.50-18 Heavy Duty IRC Tubes CB300FA 250 XC-F / XCF-W 2008Two IRC 400 450 18 Heavy Duty Tubes 4. 00 4. 50 18 4. 60 5. 10 18 110 100 18 130 80 18 140 80 18 IRC Heavy Duty tubes are designed and constructed to offer great performance in the most extreme motorcycle riding conditions. IRC heavy duty tubes are made 3 mm thick and puncture resistant, making them durable to better handle extreme and aggressive use. For maximum performance and durability, IRC tubes are made of a blend of both natural and butyl