1998-2000 Yamaha WaveRunner GP800 Factory Service Manual, Page 31Get this manual
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4Adjust:
Nozzle control cable Adjustment steps: Set the trim grip in the neutral position Position the handlebar so that it is straight Loosen locknuts CD and Disconnect the nozzle control cable jOint Get pump side) Turn the nozzle control cable jOint Get pump side) in or out until the specified nozzle deflector set length is obtainedTurn in Turn out Length (i) is increasedLength is increased