YAMAHA CT1 Replacement Parts Manual
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CT1
A1
1 (248-11412-00-00) CRANK 1 . . . . . . . . . . . . . . . . . 1
2 (248-11422-00-00) CRANK 2 . . . . . . . . . . . . . . . . . 1
3 3R2-11651-01-00 . ROD, CONNECTING . . . . . . . . 1
4 3M5-11681-00-00 . PIN, CRANK 1 . . . . . . . . . . . . 1
5 93310-42277-00 . BEARING, CYLINDER.#10
(93310-42231) . . . . . . . . . . . . 1
6 90209-22248-00 . WASHER . . . . . . . . . . . . . . . . 2
7 (251-11638-00-00) PISTON 4 O/S 1. 0 . . . . . . . . . . 1 U.R.
251-11631-00-96 PISTON STD . . . . . . . . . . . . . . 1 U.R.
251-11635-00-00 PISTON 1 O/S 0. 5 . . . . . . . . . . 1 U.R.
251-11636-00-00 PISTON 2 O/S 0. 0 . . . . . . . . . . 1 U.R.
251-11637-00-00 PISTON 3 O/S 0. 5 . . . . . . . . . . 1 U.R.
8 93310-216E1-00 BEARING . . . . . . . . . . . . . . . . . 1
9 251-11633-00-00 PIN, PISTON . . . . . . . . . . . . . . 1
10 93450-17025-00 CIRCLIP . . . . . . . . . . . . . . . . . . 2
11 251-11601-00-00 PISTON RINGSET STD . . . . . . 1 U.R.
251-11601-10-00 PISTON RINGSET 1ST . . . . . . . 1 U.R.
251-11601-20-00 PISTON RINGSET 2ND . . . . . . 1 U.R.
251-11601-30-00 PISTON RINGSET 3RD . . . . . . 1 U.R.
251-11601-40-00 PISTON RINGSET 4TH . . . . . . . 1 U.R.
12 132-11561-00-03 SHIM, CRANK 1 . . . . . . . . . . . . 1
13 93306-20529-00 BEARING (B6205C4) . . . . . . . . 1
14 93102-25061-00 OIL SEAL, SD-TYPE . . . . . . . . 1
15 136-11561-00-03 SHIM, CRANK 1 . . . . . . . . . . . . 1 U.R.
136-11561-00-04 SHIM, CRANK 1 . . . . . . . . . . . . 1 U.R.
136-11561-00-05 SHIM, CRANK 1 . . . . . . . . . . . . 1 U.R.
16 93306-30421-00 BEARING (B6304C3) . . . . . . . . 1
17 93103-28011-00 OIL SEAL . . . . . . . . . . . . . . . . . 1
18 93210-180A6-00 O-RING . . . . . . . . . . . . . . . . . . 1
CONTINUED ON NEXT FRAME ➤
CRANK - PISTON
Ref. Part
No. Number Description Qty Remarks
A2
CT1
19 90387-205E9-00 COLLAR . . . . . . . . . . . . . . . . . 1
20 (248-16111-00-00) GEAR, PRI DRIVE . . . . . . . . . . 1
21 90208-12015-00 WASHER, CONICAL SPRING . . 1
22 90170-12060-00 NUT . . . . . . . . . . . . . . . . . . . . . 1
23 90280-03017-00 KEY, WOODRUFF . . . . . . . . . . 1
24 90170-12067-00 NUT . . . . . . . . . . . . . . . . . . . . . 1
25 92901-12100-00 WASHER, SPRING . . . . . . . . . . 1
26 90201-12535-00 WASHER, PLATE . . . . . . . . . . . 1
-1 (248-11400-01-00) CRANKSHAFT ASSEMBLY . . . 1
CRANK - PISTON
Ref. Part
No. Number Description Qty Remarks
A3
CT1
1 137-13137-00-10 . SHIM (1.0T) . . . . . . . . . . . . . . 1
2 137-13138-01-00 . PLATE, ADJUSTING . . . . . . . 1
3 95380-05600-00 . NUT . . . . . . . . . . . . . . . . . . . . 1
4 92990-05100-00 . WASHER, SPRING . . . . . . . . . 1
5 93101-10090-00 . OIL SEAL . . . . . . . . . . . . . . . . 1
6 (137-13128-00-00) PLATE, STARTER . . . . . . . . . . 1
7 91401-12018-00 . PIN, COTTER . . . . . . . . . . . . . 1
8 93505-32002-00 . BALL . . . . . . . . . . . . . . . . . . . 1
9 (90501-02017-00) SPRING, COMPRESSION . . . . . 1
10 90430-06011-00 . GASKET . . . . . . . . . . . . . . . . 2
11 90401-06001-00 . BOLT, UNION . . . . . . . . . . . . 1
12 98511-04006-00 . SCREW, PAN HEAD
(98501-04005) . . . . . . . . . . . . 1
13 90430-04004-00 . GASKET . . . . . . . . . . . . . . . . 1
14 3MT-13116-00-00 GASKET, PUMP CASE
(8Y0-13116-00) . . . . . . . . . . . . . 1
15 (214-13175-01-00) SHAFT, WORM . . . . . . . . . . . . 1
16 93603-22028-00 PIN, DOWEL . . . . . . . . . . . . . . 1
17 1E7-13176-00-00 METAL, WRM SHAF OTR . . . . 1
18 93101-10002-00 OIL SEAL . . . . . . . . . . . . . . . . . 1
19 99001-08600-00 CIRCLIP . . . . . . . . . . . . . . . . . . 1
20 90201-105J4-00 WASHER, PLATE
(90201-106H1) . . . . . . . . . . . . . 1
21 248-13178-00-00 GEAR, DRIVE (28T) . . . . . . . . . 1
22 95303-08700-00 NUT . . . . . . . . . . . . . . . . . . . . . 1
23 92901-08400-00 WASHER, EX.TOOTH . . . . . . . . 1
24 98580-05016-00 SCREW, PAN HEAD . . . . . . . . 2
25 214-13162-01-00 BANJO, DLVRY PIPE . . . . . . . . 2
26 90401-06001-00 BOLT, UNION . . . . . . . . . . . . . 1
27 90430-06011-00 GASKET . . . . . . . . . . . . . . . . . 2
CONTINUED ON NEXT FRAME ➤
OIL PUMP
Ref. Part
No. Number Description Qty Remarks
A4
CT1
28 248-13174-00-00 HOLDER, OIL PIPE . . . . . . . . . 1
29 90468-02033-00 CLIP . . . . . . . . . . . . . . . . . . . . 2
30 90445-05301-00 HOSE (214-13161-01) . . . . . . . . 1
-1 (214-13101-04-00) OIL PUMP ASSEMBLY . . . . . . . 1
OIL PUMP
Ref. Part
No. Number Description Qty Remarks
A5
CT1
1 (248-14411-01-33) CASE, AIR CLEANER 1 . . . . . . 1
2 248-14451-00-00 ELEMENT, AIR CLNR . . . . . . . 1
3 (248-14412-01-33) CAP, CLEANER CASE 1 . . . . . 1
4 98580-05010-00 SCREW, PAN HEAD . . . . . . . . 2
5 248-14453-00-00 JOINT, AIR CLNR 1 . . . . . . . . . 1
6 90460-49248-00 CLAMP, HOSE (1) . . . . . . . . . . 1
7 90480-14023-00 GROMMET . . . . . . . . . . . . . . . . 4
8 90387-065L7-00 COLLAR (51L) (214-21633-00) . 4
9 90201-06067-00 WASHER, PLATE . . . . . . . . . . . 4
10 97313-06070-00 NUT (97301-06070) . . . . . . . . . . 1
11 95380-06600-00 NUT . . . . . . . . . . . . . . . . . . . . . 2
12 92995-06100-00 WASHER, SPRING . . . . . . . . . . 2
13 97311-06090-00 BOLT, HEXAGON . . . . . . . . . . 1
14 90506-06106-00 SPRING, TENSION . . . . . . . . . . 1
INTAKE
Ref. Part
No. Number Description Qty Remarks
A6
CT1
1 193-14142-30-A0 . JET, PILOT #30 (#30) . . . . . . . 1
2 168-14190-20-00 . NEEDLE VALVE
ASSEMBLYASSY . . . . . . . . . 1
3 214-14195-00-00 . WASHER, NEEDLE VALVE . . 1
4 (248-14141-28-00) NOZZLE, MAIN . . . . . . . . . . . . 1
5 (248-14145-01-00) SETTER, NEEDLE JET . . . . . . . 1
6 137-14153-00-00 . WASHER, MAIN JET . . . . . . . 1
7 93210-04121-00 . O-RING . . . . . . . . . . . . . . . . . 1
8 137-14143-28-A0 . JET, MAIN (#140) . . . . . . . . . . 1 U.R.
137-14143-30-00 . JET, MAIN #1 0 . . . . . . . . . . . 1 U.R. STD
137-14143-32-00 . JET, MAIN #1 0 . . . . . . . . . . . 1 U.R.
9 248-14198-00-00 . GASKET . . . . . . . . . . . . . . . . 1
10 248-14166-00-00 . BOLT, BANJO . . . . . . . . . . . . 1
11 156-14185-00-00 . FLOAT . . . . . . . . . . . . . . . . . . 1
12 127-14186-00-00 . PIN, FLOAT . . . . . . . . . . . . . . 1
13 156-14184-00-00 . GASKET, FLOAT CHMBR . . . 1
14 (248-14181-01-00) BODY, FLOAT CHMBR 1 . . . . . 1
15 204-14112-20-00 . VALVE, THROTTLE 1 . . . . . . . 1
16 156-14116-03-00 . NEEDLE . . . . . . . . . . . . . . . . . 1
17 137-14137-00-00 . CLIP . . . . . . . . . . . . . . . . . . . 1
18 246-14132-00-00 . STOPPER, CABLE . . . . . . . . . 1
19 248-14131-00-00 . SPRING, THROTTLE VALVE . 1
20 802-14158-00-00 . TOP, MIXING CHAMBER . . . . 1
21 802-14161-00-00 . NUT, CABLE ADJUSTING . . . 1
22 12G-14106-00-00 . CABLE ADJUST SCREW SET 1
23 802-14169-00-00 . CAP . . . . . . . . . . . . . . . . . . . . 1
24 137-14133-00-00 . SPRING, THRTL STOP . . . . . . 1
25 24X-14103-00-00 . THROTTLE SCREW SET . . . . 1
26 127-14134-00-00 . SPRING, AIR ADJUSTING . . . 1
CONTINUED ON NEXT FRAME ➤
CARBURETOR
Ref. Part
No. Number Description Qty Remarks
A7
CT1
27 23X-14104-00-00 . AIR SCREW SET . . . . . . . . . . 1
28 132-14171-00-00 . PLUNGER, STARTER . . . . . . 1
29 156-14135-00-00 . SPRING, PLUNGER . . . . . . . . 1
30 (132-14179-00-00) WASHER, STARTER LVR . . . . 1
31 (248-14175-00-00) LEVER, STARTER 1 . . . . . . . . . 1
32 (132-14174-00-00) CAP, PLUNGER . . . . . . . . . . . . 1
33 132-14173-00-00 . COVER, PLUNGER CAP . . . . 1
34 98503-04014-00 . SCREW, PAN HEAD . . . . . . . 4
35 92901-04100-00 . WASHER, SPRING . . . . . . . . . 4
36 (170-14178-00-00) PLATE, STARTER LVR . . . . . . 1
37 248-14147-00-00 . O-RING . . . . . . . . . . . . . . . . . 1
38 90445-05013-00 HOSE (137-14197-00) . . . . . . . . 1
39 97313-08030-00 BOLT, HEXAGON . . . . . . . . . . 2
40 92990-08100-00 WASHER . . . . . . . . . . . . . . . . . 2
41 92990-08200-00 WASHER, PLAIN . . . . . . . . . . . 2
42 (248-13555-01-00) MANIFOLD, INTAKE . . . . . . . . 1
43 248-13556-70-00 GASKET, MANIFOLD . . . . . . . . 1
-1 248-14101-01-00 CARBURETOR ASSEMBLY 1 . 1
CARBURETOR
Ref. Part
No. Number Description Qty Remarks
A8
CT1
1 (261-14610-30-00) EXHAUST PIPE ASSEMBLY L . 1
2 214-14753-01-00 . SILENCER, EXHAUST . . . . . . 1
3 261-14752-30-00 . PIPE, OUTLET . . . . . . . . . . . . 1
4 97011-06010-00 . BOLT . . . . . . . . . . . . . . . . . . . 1
5 92995-06100-00 . WASHER, SPRING . . . . . . . . . 1
6 92990-06200-00 . WASHER . . . . . . . . . . . . . . . . 1
7 (248-14718-30-00) PROTECTOR, MUFF 1 . . . . . . . 1
8 98903-06012-00 SCREW, BIND . . . . . . . . . . . . . 5
9 90202-05187-00 WASHER, PLATE . . . . . . . . . . . 5
10 90202-05005-00 WASHER, PLATE
(218-14766-10) . . . . . . . . . . . . . 5
11 152-14613-00-00 GASKET, EXST PIPE . . . . . . . . 1
12 (248-14612-30-00) NUT, RING . . . . . . . . . . . . . . . . 1
13 97023-06020-00 BOLT (3XF) . . . . . . . . . . . . . . . 2
14 92995-06100-00 WASHER, SPRING . . . . . . . . . . 2
15 90506-12029-00 SPRING, TENSION . . . . . . . . . . 2
16 248-14623-00-00 GASKET, EXST PIPE . . . . . . . . 1
17 (248-14794-00-00) PLATE, MUFFLER . . . . . . . . . . 2
18 90480-14329-00 GROMMET . . . . . . . . . . . . . . . . 1
19 95303-08800-00 NUT (CROWN) (95301-08800) . 1
20 (248-14747-01-00) DAMPER, MUFFLER . . . . . . . . 1
EXHAUST
Ref. Part
No. Number Description Qty Remarks
A9
CT1
1 (248-15111-02-00) CRANKCASE 1 . . . . . . . . . . . . 1
2 (444-15121-01-00) CRANKCASE 2 . . . . . . . . . . . .
3 248-15357-00-00 GROMMET . . . . . . . . . . . . . . . . 1
4 99530-10014-00 PIN, DOWEL . . . . . . . . . . . . . . 1
5 99530-14016-00 PIN, DOWEL . . . . . . . . . . . . . . 1
6 98580-06545-00 SCREW PAN HEAD
(92503-06045) . . . . . . . . . . . . . 6
7 98580-06055-00 SCREW, pan head
(92501-06065-00) . . . . . . . . . . . 2
8 98580-06565-00 SCREW, PAN HEAD
(92501-06065) . . . . . . . . . . . . . 3
9 98501-06070-00 SCREW, PAN HEAD . . . . . . . . 1
10 99530-10014-00 PIN, DOWEL . . . . . . . . . . . . . . 2
11 583-15371-00-00 BREATHER . . . . . . . . . . . . . . . 1
12 90446-07241-00 HOSE (3AK) . . . . . . . . . . . . . . . 1
13 90430-12207-00 GASKET . . . . . . . . . . . . . . . . . 1
14 90340-12005-00 PLUG, DRAIN . . . . . . . . . . . . . 1
15 90116-08064-00 BOLT, STUD . . . . . . . . . . . . . . 4
16 248-11351-00-00 GASKET, CYLINDER . . . . . . . . 1
17 (251-11311-00-00) CYLINDER 1 . . . . . . . . . . . . . . 1
18 251-11181-00-00 GASKET, CYLINDER HEAD 1 . 1
19 (251-11111-00-00) HEAD, CYLINDER 1 . . . . . . . . . 1
20 90179-08303-00 NUT . . . . . . . . . . . . . . . . . . . . . 4
21 90201-12362-00 WASHER, PLATE . . . . . . . . . . . 4
22 90340-14022-00 PLUG, STRAIGHT SCRW
(214-11197-00) . . . . . . . . . . . . . 1 PN 252
23 214-11198-01-00 GASKET . . . . . . . . . . . . . . . . . 1 PN 252
A.--- BEARING, CYLINDER. (2TV) . .
B.--- GEAR, KICK . . . . . . . . . . . . . .
C.--- GEAR, KICK IDLE . . . . . . . . . .
CONTINUED ON NEXT FRAME ➤
CRANKCASE
Ref. Part
No. Number Description Qty Remarks
A10
CT1
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Full Search Facility
Print one or all pages of your manual
$30.99
This Parts Manual is an invaluable resource for anyone involved in vehicle repair and maintenance. It features detailed illustrations and Exploded Parts Diagrams, making it an ideal aid for disassembly, repair, and reassembly. The manual is designed to be easily understandable, catering to both professional mechanics and DIY enthusiasts.
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