2003 Polaris MSX 140 Personal Watercraft Service Manual, Page 76Get this manual
EngineCooling W120HO- DFI Engine Assembly 16Align ring end gaps with locating pins on each piston and compress ringsInstall each cylinder carefully using gentle fronttoback motionInstall cylinder base nuts looselyCAUTION: Do not twist or force cylinder during installationIMPORTANT: To prevent possible water leaks at exhaust manifold, the cylinders must be aligned before the base nuts are tightened17Temporarily install exhaust manifold to cylinders dry and tighten bolts lightlyThis will ensure proper alignment of cylinders to manifold18Torque cylinder base nuts to specificationsFollow torque sequence shown on pages 3.2 and 3.3