Choose Options Quick view Clarke Clarke Honda CRF50/XR50 Gas Tank All Clarke Tanks Take 2-3 weeks to ship as they are built on demand. 1.1 Gallons. Includes new Clarke cap, uses stock petcock. Also works with a Clarke style petcock non grooved (1377NS-01 / 1377NS90-01). MSRP: $259.99 Choose Options Add to Wish List Compare