Ryobi 766 User Manual
Issued 12/99
ENGINE PARTS - MODEL 766r
2-CYCLE GAS TRIMMER
(Serial Number 810185404 and greater)
37
39
32
31
33
34
32
37
36
35
25
30
29
32
40
46
24
47
48
41
42
43
44
45
15
28
27
26
23
20
22
16
49
21
19
18
17
14
13
12
10
9
8
3
2
1
36
3 4
5
6
7
11
38
Item Part No. Description
1 182059 Air Cleaner/ Muffler Cover Assembly
(includes 2 & 36)
2 180350 Air Cleaner Filter
3 180351 Carburetor Mounting ScrewAssembly
4 180226 Wavey Washer
5 182061 Choke Lever Assembly (includes 6)
6 182070 Choke Knob and Screw
7 182060 Choke Lever and Plate (includes 5)
8 182062 Carburetor Assembly w/Limiter Caps
(includes 9 &21)
9 610675 Carburetor Gasket
10 181860 Carb Mount Screw
11 181558 Primer and Hose Assembly
12 180354 Carb Mount Assembly (includes 15)
13 684451 Reed Assembly
14 181866 Power Shaft Assembly
15 612115 Carburetor Mount Gasket
16 181865 Crank Case Service Assembly
(includes 10, 14 & 24)
17 612134 Rear Mounting Pad
18 181438 Fuel Tank Assembly (includes 19-21)
19 181559 Fuel Cap Assembly
20 181168 Fuel Return Line
21 682039 Fuel Line Assembly
22 145308 Front Mounting Pad
23 153520 Shroud Assembly
24 181861 Shroud Screw
25 182064 Shroud Extension and Stand
26 181867 Flywheel Assembly
27 610303 Square Drive Nut
28 181597 Recoil Pulley Assembly
29 613102 Recoil Spring
Item Part No. Description
30 181441 Pulley Retainer Assembly
31 611061 Rope Guide
32 181442 Switch Assembly (includes 40)
33 181079 Pull Handle
34 613103 Rope
35 181443 Starter Housing Assembly
(includes 28-35 & 40)
36 181862 Housing Screw
37 181345 Cover Screw
38 180098 Clutch Cover Assembly
39 153597 Upper Clamp Assembly
40 180036 Wire Lead
41 181937 Module Assembly
42 610311 Spark Plug
43 182065 Exhaust Gasket
44 182066 Muffler Assembly (includes 43 & 45)
45 147575 Muffler Mounting Bolt Assembly
46 181622 Cylinder Assembly(includes 48 & 49)
47 684449 Piston and Rod Assembly
48 610674 Cylinder Gasket
49 181870 Cylinder Bolt
* 182067 Engine Gasket Kit
* 180602 O.E.M. Carburetor Repair Kit (Walbro)
* 180090 O.E.M. Carburetor Repair Kit (Zama)
* 181069 Gasket Diaphragm Repair Kit (Walbro)
* 180091 Gasket Diaphragm Repair Kit (Zama)
* 180530 Piston Ring
* 181863 Short Block Assembly
(includes 10, 14, 16, 24, 42, 46-49)
* 181501 Starter Housing Screw Set
* 610309 Crankcase Seal
* 180030 Spark Arrestor Kit
* not shown
Issued 12/99
BOOM AND TRIMMER PARTS - MODEL 766r
2-CYCLE GAS TRIMMER
(Serial Number 810185404 and greater)
1
2
3
4
1
5
6
7
8
9
10
13
14
10
12
12
11
15
16
17
18
19
Item Part No. Description
1 181557 Throttle Housing and Trigger Assembly
2 610314 Throttle Trigger Spring
3 181556 Throttle Trigger
4 182068 Throttle Cable Assembly
5 145819 D-Handle
6 181587 D-Handle Hardware Assembly
7 181590 Drive Shaft Housing Assembly
8 682064 Flexible Drive Shaft
9 153597 Lower Clamp Assembly (includes 13)
10 180547 Guard Mounting Screw Assembly
11 180548 Guard and Blade Assembly (includes 12)
12 180553 Blade Assembly
13 145569 Anti-Rotation Screw
14 180549 Gearbox Assembly (includes 15)
15 153619 Outer Spool and Eyelet Assembly
16 610660 Retainer
17 610317 Spring
18 610318 Inner Reel
19 153066 Bump Head Knob Assembly
Optional
Accessories
* 610375 Cutting Line (50 ft)
* 153577 Spool and Line (25 ft) Assembly
* 682075 Shoulder Strap Assembly
* 147541 Ryobi 2-Cycle Oil (48 4-oz bottles)
* not shown
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