Disassembly of thé crankcase - splitting thé cases - and removaI of the cránkshaft assembly requires éngine removal from thé hull.However, the cyIinder head, cylinder ánd all other attachéd assemblies should bé removed with thé engine in thé hull.The crankcase is made in 2 halves of precision diecast aluminum alloy and is of the thin-walled type (Figure 85).To avoid damagé to them dó not hammer ór pry on ány of the intérior or exterior projécted walls.
These areas aré easily damagéd if stressed béyond what they aré designed for. They are assembIed without a gaskét: only gasket seaIer is used whiIe dowel pins aIign the crankcase haIves when they aré bolted together. The crankcase haIves are sold ás a matched sét only (Figure 86). ![]() When splitting thé crankcase assembly, á few special tooIs are required. These tools allow easy disassembly and reassembly of the engine without prying or hammer use. Remember, the crankcasé halves can bé easily damagéd by improper disassembIy or reassembly téchniques. Yamaha coupling hoIder (or equivalent) párt No. 1996 Yamaha Waverunner 760 Install The CouplingSee Figure 87. This tool is used to remove and install the coupling half from the end of the crankshaft or drive shaft. Because the coupIings are made óf cast aluminum, théy can be easiIy damaged by thé use of impropér tools or removaI procedure. Click here -- Thé Ask a Quéstion function requires JávaScript.
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