Planning an extended endurance tour or a long-distance race? Prefer to avoid constantly looking for gas stations? Sometimes you just need more gas on board. Best of all: The slim lines together with the usual full freedom of movement are retained, despite the increased capacity. Note: Closed course competition use ONLY. Note: During installation on SX models the fuel hose (P/N 556.07.016.000; sold separately) is additionally required. KTM PowerParts P/N: 5560701303399.