2007-2010 Kawasaki Ultra 250X/260X/260LX PWC Factory Service Manual, Page 20Get this manual
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1-14 GENERAL INFORMATION General Specifications
NGK PMR9B 0.60.7 mm (0 .0240.028 in ATDC 300 rminBTDC 000 rmin (rpm) 300 00 rmin (rpm) -in water 300 100 rmin (rpm) -out of water 819268 kP