MTD 1850 - Manual (Page 22)

PARTS LIST ENGINE MODEL 190402-0689-01
APPROX.
REF.
NO.
PART
NO.
APPROX.
REF.
NO.
PART
NO.
DESCRIPTION
SELLING
PRICE
DESCRIPTION
SELLING
PRICE
1 390399 Cylinder Assembly 36.95 36 26828 Spring—Exhaust Valve .80
2 295962 Bushing—Cylinder 1.20 40 221596 Retainer—Intake Valve .25
Note; Requires special tools for installation. 41 292260 Rotocoil—Exhaust Valve 3.15
3 294606 Seal—Oil .55 42 93630 Retainer—Exhaust Valve Rotocoil (2) .20
5 211778 Head—Cylinder 4.95 45 260933 Tappet—Valve .55
7 *270430 Gasket—Cylinder Head .45 46 210728 Gear—Cam 5.70
8 390321 Breather Assembly 1.20 50 211812 Elbow—Intake 1.60
51 *270684 Gasket—Intake Elbow .20
52 *27828 Gasket—Intake Elbow Mtg. .20
53 93128 Screw—Carburetor Mounting Sem .20
54 93208 Screw—Intake Elbow Mounting Sem .20
55 295272 Housing—Rewind Starter 4.10
9 *27803 Gasket—Valve Cover .20 56 295871 Pulley—Rewind Starter 2.95
10 93536 Screw—Sem .20 57 294303 Spring—Rewind Starter .75
n 67068 Tube Breather .60 58 66564 Rope—Rewind Starter (63" Long) .80
12 *27750 Gasket—Crankcase Cover—1/64'^ Thick .20 59 230228 Pin—Starter Grip .20
*27876 Gasket—Crankcase Cover—.OOS"'"' Thick .20 60 66728 Grip-Starter Rope .55
*27877 Gasket—Crankcase Cover—.009" Thick .20 61 68848 Bumper—Starter Pulley .20
13 93210 Screw—Cylinder Head (2-9/32" Long) .20 62 93254 Screw—Pulley Bumper Mounting Sem .20
93583 Stud—Cylinder Head (2). Used on type 63 260414 Spring—Ratchet .20
Nos. 0646, 0647 .45 64 230543 Adapter—Ratchet Spring .35
14 93211 Screw—Cylinder Head (2-9/16" Long) .20 65 93106 Screw—Rewind Starter Housing
15 91084 Plug—Oil Drain .20 Mounting Sem .20
93418 Plug—Oil Drain (Hex Socket) Used on 66 298798 Clutch Assy.—Rewind Starter 3.00
type Nos. 0144, 0652. .20 67 211383 Housing—Rewind Starter Clutch 1.35
16 261149 Crankshaft 38.00 68 63770 Ball—Clutch .20
17 29530 Bearing—Ball 6.35 69 66718 Washer—Starter Clutch Thrust .20
18 299167 Cover Assy.—Crankcase 12.95 70 298799 Ratchet—Rewind Starter Clutch .95
19 295964 Bushing—Crankcase Cover 1.65 71 221653 Washer—Retainer .20
Note: Requires special tools for installation. 73 221796 Screen—Rewind Starter .80
20 298423 Seal—Oil .85 75 220865 Washer—Spring .20
21 66768 Plug—Oil Filler .20 76 68238 Washer—Ratchet Sealing .20
22 93585 Screw—Crankcase Cover Mounting Sem .75 90 390727 Carburetor Assembly (Manual Choke) 19.50
23 298260 Flywheel 19.50 91 390404 Body Assembly—Upper Carburetor 8.80
24 61760 Key—Flywheel .20 92 390503 Body—Upper Carburetor 5.20
25 390347 Piston Assembly—Std. 9.60 93 23108 Bushing—Throttle Shaft .25
390348 Piston Assembly—.010" O.S. 9.60 94 f292681 Valve Assembly Carburetor Idle .25
390349 Piston Assembly—.020" O.S. 9.60 95 93038 Screw—Throttle and Choke Valve Mtg. Sem .20
390350 Piston Assembly—.030" O.S. 9.60 96 62940 Valve—Throttle .20
RING SETS:
97
98
298826
91920
Shaft and Lever—Throttle
Screw—Machine, Fil. Hd.—8-32 x
1.55
.20
26 299569 Ring Set—Piston—Std. 4.25
99 26157 Spring—Throttle Adjustment .20
CONSISTS OF—
100 61967 Stop—Throttle .65
211637 Ring—Piston, Comp., Top, Std. 1.25
101 93043 Pin—Throttle Stop .20
211636 Ring—Piston, Comp., Center, Standard 1.25
102 f27918 Gasket—Carburetor Body .20
211635 Ring—Piston, Oil, Std. 1.25
103 99333 Float—Carburetor .95
299570 Ring Set—Piston—.010" O.S. 4.25
104 f230896 Pin—Float Hinge .20
CONSISTS OF—
105 299096 Valve—Fuel Inlet .60
211649 Ring—Piston, Comp., Top, .010" O.S. 1.25
107 390403 Body Assembly—Lower Carburetor 6.15
211650 Ring—Piston, Comp., Center, .010" O.S. 1.25
108 62872 Valve—Choke .20
211651 Ring—Piston, Oil, .010" O.S. 1.25
no 62399 Washer—Choke Lever .20
299571 Ring Set—Piston—.020" O.S. 4.25
111 26155 Spring—Choke Lever .20
CONSISTS OF—
112 23123 Screw—Choke Lever .20
211653 Ring—Piston, Comp., Top, .020" O.S. 1.25
113 f390395 Nozzle—Carburetor 2.00
211654 Ring—Piston, Comp., Center, .020" O.S. 1.25
114 f68667 Gasket-Nozzle .20
211655 Ring—Piston, Oil, .020" O.S. 1.25
115 •¡•23117 Retainer—Needle Valve .35
299572 Ring Set—Piston—.030" O.S. 4.25
116 t68677 Packing-Needle Valve .20
CONSISTS OF—
117 •¡•23118 Nut—Needle Valve Pkng. .20
211657 Ring—Piston, Comp., Top, .030" O.S. 1.25
118 t230009 Valve—Needle .40
211658 King—Piston, Comp., Center, O.S. 1.25
119 90746 Screw—Machine, Fil. Hd.—10-32 x W ' .20
211659 King—Piston, Oil, .OSU" O.S. 1.25
120 92290 Washer—Lock—No. 10 x 1 /16" x 3/64" .20
27 68546 Lock—Piston Pin .20
121 295938 Carburetor Overhaul Kit 4.25
28 295840 Pin Assy.—Piston—Std. 1.15
158 27590 Filter—Carburetor Drain .20
295841 Pin Assembly—Piston—.005" O.S. 1.15
159 220521 Retainer—Carburetor Drain Filter .20
29 390401 Rod Assy.—Connecting 3.90
164 390311 Pipe Assy.—Air Cleaner 2.80
Note: For Connecting Rod with .020" unoer-
165 93453 Nut—Wing .30
size Crankpin Bore—Order No. 390773.
166 230768 Stud—Air Cleaner .45
30 222113 Dipper—Connecting Rod 45
167 66648 Gasket—Air Cleaner Stud .20
31 222114 Lock—Conn. Rod Screw .20
168 222150 Strap—Air Cleaner Pipe .30
32 92659 Screw—Connecting Rod .20
171 92129 Nut—Hex—14-28 .20
33 390419 Valve—Exhaust 3.25
180 290816 Tank Assy.—Fuel (4 quart) 9J0
34 261055 Valve—intake 1.70
181 69221 Cap—Fuel Tank .30
35 65906 Spring—Intake Valve .30 182 221935 Bracket—Fuel Tank 2.15
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