28 mm: 75cc to 125cc engine<br> 30 mm: 100cc to 160cc engine<br> 32 mm: 125cc to 200cc engine<br> 34 mm: 125cc to 250cc engine<br> Fit for HONDA for SUZUKI for KAWASAKI for YAMAHA for Dirt Bike MX Motocross for for Supermoto for Off Road Motorcycle for ATV Quad UTV Scooter<br> Specification:<br> Material: Aluminum Alloy<br> Weight: 600g<br> 28mm size: A1 (inner diameter of air inlet): 28mm A2 (outer diameter of air inlet): 35mm B1 (inner diameter of air outlet): 45mm B2 (outer diameter of air outlet): 50mm C (total width): 80mm D( Total length): 150mm<br> 30mm size: Product size: A1 (inner diameter of air inlet): 30mm A2 (outer diameter of air inlet): 35mm B1 (inner diameter of air outlet): 45mm B2 (outer diameter of air outlet): 50mm C (total width): 80mm D (total length): 150mm<br> 32mm size: Product size: A1 (inner diameter of air inlet): 32mm A2 (outer diameter of air inlet): 40mm B1 (inner diameter of air outlet): 50mm B2 (outer diameter of air outlet): 55mm C (total width): 80mm D (total length): 150mm<br> 34mm size: Product size: A1 (inner diameter of air inlet): 34mm A2 (outer diameter of air inlet): 40mm B1 (inner diameter of air outlet): 50mm B2 (outer diameter of air outlet): 55mm C (total width): 80mm D (total length): 150mm<br> Package Includes:<br> 1 x Carburetor Kit