2003-2005 Kawasaki Ultra-150 Jet Ski Factory Service Manual., Page 11Get this manual
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1-6 GENERAL INFORMATION General pecifications
NGK BR9ES (0 Solid post 15 BTDC 250 rmin 22 BTDC 500 rmin (rpm) 250 100 rmin (rpm)-in water 800 100 rmin (rpm)-out of water (6, 155 psi) 440