2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 305Get this manual

2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 305

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Control system
1 Check: Knock sensor ground connection Knock sensor not grounded when installed Install the knock sensor correctlyRefer to "Oil separator tank and oil pan removal" in Chapter 52