7-79
Power unit
POWR
Checking the piston ring end gap
1.
Level the piston ring
a
in the cylinder
using a piston crown at the specified
measuring point
a
.
2.
Measure the piston ring end gap
b
.
Checking the piston ring groove
1.
Measure the piston ring grooves.
Replace the piston if out of specification.
Checking the piston ring side
clearance
1.
Measure the piston ring side clearance.
Checking the piston pin boss inside
diameter
1.
Measure the piston pin boss inside diam-
eter.
Piston ring dimension:
Top ring
a
:
B: 1.200 mm (0.0472 in)
T: 2.800–3.000 mm (0.1102–0.1181 in)
2nd ring
b
:
B: 1.170–1.190 mm (0.0461–0.0469 in)
T: 3.800–4.000 mm (0.1496–0.1575 in)
Oil ring
c
:
B: 2.400–2.470 mm (0.0945–0.0972 in)
T: 2.350–2.750 mm (0.0925–0.1083 in)
Measuring point
a
(reference data):
20.0 mm (0.8 in)
Piston ring end gap
b
(reference data):
Top ring:
0.200–0.300 mm (0.0079–0.0118 in)
2nd ring:
0.600–0.750 mm (0.0236–0.0295 in)
Oil ring:
0.150–0.600 mm (0.0059–0.0236 in)
a
b
a
Piston ring groove:
Top ring
a
:
1.230–1.250 mm (0.0484–0.0492 in)
2nd ring
b
:
1.220–1.240 mm (0.0480–0.0488 in)
Oil ring
c
:
2.510–2.530 mm (0.0988–0.0996 in)
Piston ring side clearance:
Top ring
a
:
0.030–0.050 mm (0.0012–0.0020 in)
2nd ring
b
:
0.030–0.070 mm (0.0012–0.0028 in)
Oil ring
c
:
0.040–0.130 mm (0.0016–0.0051 in)
a
b
c
a
b
c
Содержание F225F
Страница 1: ...SERVICE MANUAL 6CE 28197 3N 11 F L 225F F L 250D F L 300B ...
Страница 4: ......
Страница 54: ...1 31 SPEC Specification MEMO ...
Страница 89: ...2 34 Lower unit 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Страница 116: ...3 25 RIG GING Rigging information SET MENU CANCEL a b b c c c D q e E p v w o v C m h A B D D A B D D D F B ...
Страница 218: ...5 55 ELEC Electrical system 2 Connect the Y COP coupler a Y COP input voltage Red R Ground 12 0 V battery voltage R B a ...
Страница 254: ...6 19 FUEL Fuel system 3 Install the blowby hose f 4 Connect the air temperature sensor coupler a f a ...
Страница 263: ...6 28 Canister 0 1 2 3 4 5 6 7 8 9 10 A j k f b ...
Страница 267: ...6 32 Low pressure fuel pump 0 1 2 3 4 5 6 7 8 9 10 A 11 Fasten the vapor gas hoses p and q using the holder r q r p ...
Страница 296: ...7 13 Power unit POWR 21 Install the tube retainer H and then fasten it using the plastic tie I I H H ...
Страница 319: ...7 36 Shift actuator 0 1 2 3 4 5 6 7 8 9 10 A Shift actuator bolts d 19 N m 1 9 kgf m 14 0 ft lb c b d d a ...
Страница 477: ...8 98 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Страница 493: ...9 14 Upper case and mount 0 1 2 3 4 5 6 7 8 9 10 A Lower mount bracket bolt o 55 N m 5 5 kgf m 40 6 ft lb t u v t v u o ...
Страница 537: ...9 58 PTT cylinder 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Страница 562: ...A 1 MEMO ...
Страница 565: ......
Страница 566: ...May 2010 1 ABE E_1 YAMAHA MOTOR CO LTD ...
Страница 576: ...A 13 ...