4 - 29
ENG
REMOVING THE PISTON
1. Remove:
• piston pin clips
1
• piston pin
2
• piston
3
NOTE:
• Before removing the piston pin, deburr the
clip groove and pin hole area. If the piston
pin groove is deburred and the piston pin is
still difficult to remove, use the piston pin
puller
4
.
• Before removing the piston pin clip, cover the
crankcase with a clean rag to prevent the
piston pin clip from falling into the crankcase.
CAUTION:
Do not use a hammer to drive the piston
pin out.
2. Remove:
• piston rings
NOTE:
Spread the end gaps apart while at the same
time lifting the piston ring over the top of the
piston crown.
Piston pin puller
P/N. YU-01304, 90890-01304
CHECKING THE TIMING CHAIN GUIDE
1. Check:
• timing chain guide (exhaust)
Wear/damage
→
Replace.
CHECKING THE CYLINDER AND PISTON
1. Check:
• cylinder and piston walls
Vertical scratches
→
Rebore or replace the
cylinder and the piston.
• cylinder water jacket
Mineral deposits/rust
→
Eliminate.
Summary of Contents for Rhino 450 YXR45FAV
Page 1: ...LIT 11616 19 43 2P5 F8197 10 YXR45FAV SERVICE MANUAL ...
Page 6: ......
Page 57: ...2 31 SPEC OIL FLOW DIAGRAMS 1 Oil delivery pipe 2 Oil pump 3 Oil strainer A A A A 1 2 3 ...
Page 347: ...9 4 ELEC CHECKING THE SWITCHES ...
Page 375: ...9 32 ELEC LIGHTING SYSTEM ...
Page 411: ......
Page 412: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U S A ...