2003-2005 Kawasaki Ultra-150 Jet Ski Factory Service Manual., Page 100Get this manual
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6-4 ENGINE TOP END Specifications
(Usable range) 675 070 kPa (6.9 10.9 kgfcm, 98 155 psi) (Open throttle) 0.05 mm (0.0020 in
8 80.015 mm 80.10 mm (3.1535 in (3.14961 3.15019