18
ENGINE
177
18.5.17 Installing the water pump cover
308145-10
–
Mount the form ring.
Info
Ensure that the dowels are seated properly.
–
Position the water pump cover.
–
Mount and tighten screws
1
.
Guideline
Screw, water pump cover
M6
10 Nm (7.4 lbf ft)
18.5.18 Installing the piston
303084-10
(All 250 models)
–
Oil the upper conrod bearing and position it in the connecting rod.
–
Position the piston.
Piston marking
1
must face the exhaust side.
308143-11
–
Slide piston pin
2
into the connecting rod by hand.
302973-10
–
Cover the engine case opening with a cloth.
–
Position the piston pin retainer in the 6 o'clock or 12 o'clock position.
–
Ensure that the piston pin retainer is seated properly on both sides.
–
Remove the cloth.
302974-10
(All 300 models)
–
Oil the upper conrod bearing and position it in the connecting rod.
–
Position the piston.
Piston marking
1
must face the exhaust side.
