Index Snowmobiles / ATV Snowmobile Yamaha Phazer PZ50W, PZ50GTW, PZ50FXW, PZ50MW, PZ50VTW, PZ50MPW - instruction 2007 year
|
|
|
5-73 ENG INSTALLATION 1. Install: • Crankshaft journal upper bearing (into the upper crankcase) • Crankshaft journal lower bearing (into the lower crankcase) NOTE: • Align the projections a on the crankshaft journal bearings with the notches b in the crankcase. • Be sure to install each crankshaft journal bearing in its original place. 2. Lubricate: • Crankshaft pins (with the recommended lubricant) Recommended lubricant: Engine oil 3. Install: • Top ring 1 NOTE: Be sure to install the piston rings so that the manu- a face up. 4. Install: • Piston 1 (onto the respective connecting rod 2) • Piston pin 3 4 NOTE: • Apply engine oil onto the piston pin. a on the connecting rod faces left when the punch mark b on the pis- ton is pointing up. Refer to the illustration. • Reinstall each piston into its original cylinder (numbering order starting from the left: #1 to #3). Y 2 1 3 4 a b New |