2004-2007 Yamaha ATV Raptor 50 YMF50S Service Manual, Page 67Get this manual

2004-2007 Yamaha ATV Raptor 50 YMF50S Service Manual, Page 67

Quality of the image is intentionally reduced!

MEASURING THE COMPRESSION PRESSURE
Same as without oil

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Install: spark plug Connect: spark plug cap

13 Nm (1.3 kg, 9.4 ft l