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  3. HONDA
  4. 1978
  5. Z50J (Z50)
  6. CYLINDER / CYLINDER HEAD
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Part Finder - HONDA - 1978 - Z50J (Z50) - CYLINDER / CYLINDER HEAD

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Please note: that parts quantities shown on parts diagrams are the quantity of that part that exists on the bike, Not the quantity that we have in stock. Please click on the parts individually to check stock availability, thank you.
Please note: that pricing shown is individual/single per item pricing only unless otherwise indicated in part description.
Ref Part Number Description Part/Desc
32C6HSAPLUG, SPARK (C6HSA NGK)C6HSAPLUG, SPARK (C6HSA NGK)
32U20FSUPLUG, SPARK (U20FS-U ND)U20FSUPLUG, SPARK (U20FS-U ND)
Ref Part Number Description Part, Description # On Img # Cart $ Each Notes
1 12023-035-405 GUIDE VALVE 12023-035-405GUIDE VALVE1 on diagram x1 27.30
2 12023-051-320 GUIDE EXH-VALVE 12023-051-320GUIDE EXH-VALVE1 on diagram x1 29.15
3 12101-GB2-000 CYLINDER COMP. 12101-GB2-000CYLINDER COMP.1 on diagram x1 229.25
3 12101-GB2-000 CYLINDER COMP. 12101-GB2-000CYLINDER COMP.1 on diagram x1 229.25
4 12191GW8683 GASKET CYLINDER 12191GW8683GASKET CYLINDER1 on diagram x1 8.90
5 12200-041-305 HEAD SET CYLINDER 12200-041-305HEAD SET CYLINDER1 on diagram x1 453.25
5 12200-041-305 HEAD SET CYLINDER 12200-041-305HEAD SET CYLINDER1 on diagram x1 453.25
6 12251-065-505 GASKET.CYLINDER H 12251-065-505GASKET.CYLINDER H1 on diagram x1 36.95
7 12301-035-000 COVER, CYLINDER HEAD 12301-035-000COVER, CYLINDER HEAD1 on diagram x1 43.20
8 12331-035-000 COVER, RIGHT CYLINDER HEAD SIDE 12331-035-000COVER, RIGHT CYLINDER HEAD SIDE1 on diagram x1 43.20
9 12341-035-000 COVER, LEFT CYLINDER HEAD SIDE 12341-035-000COVER, LEFT CYLINDER HEAD SIDE1 on diagram x1 43.20
10 12361-035-000 CAP, TAPPET ADJUSTING HOLE 12361-035-000CAP, TAPPET ADJUSTING HOLE2 on diagram x2 8.10
11 12391KVMC20 GASKET CYLN HEAD COVER 12391KVMC20GASKET CYLN HEAD COVER1 on diagram x1 6.80
12 12394-035-010 GASKET R.CYLINDER 12394-035-010GASKET R.CYLINDER1 on diagram x1 8.60
13 12395-GW8-681 GASKET, L. CYLINDER HEAD SIDE COVER 12395-GW8-681GASKET, L. CYLINDER HEAD SIDE COVER1 on diagram x1 8.10
14 16201-045-306 GASKET INSULATOR 16201-045-306GASKET INSULATOR2 on diagram x2 5.40
15 16211-045-306 INS CARB 16211-045-306INS CARB1 on diagram x1 20.00
16 17111-130-000 PIPE INLET 17111-130-000PIPE INLET1 on diagram x1 93.00
17 90033-041-020 BOLT STUD 6X32 90033-041-020BOLT STUD 6X322 on diagram x2 5.95
17 90033-041-020 BOLT STUD 6X32 90033-041-020BOLT STUD 6X322 on diagram x2 5.95
18 90082-035-010 BOLT HS 6MM 90082-035-010BOLT HS 6MM2 on diagram x2 5.95
19 90442-035-000 WASHER, SEALING, 6MM 90442-035-000WASHER, SEALING, 6MM3 on diagram x3 6.55
20 90443-035-000 WASHER A, SEALING, 6MM 90443-035-000WASHER A, SEALING, 6MM2 on diagram x2 5.65
21 91302-001-020 O RING 30.8 M/M 91302-001-020O RING 30.8 M/M2 on diagram x2 4.35
22 91303-035-000 PACKING, RUBBER, 16MM 91303-035-000PACKING, RUBBER, 16MM2 on diagram x2 12.25
23 91305-028-900 O-RING 9X1.6 91305-028-900O-RING 9X1.62 on diagram x2 5.00
24 91306-141-000 GASKET, RUBBER, 9MM 91306-141-000GASKET, RUBBER, 9MM1 on diagram x1 8.60
25 92101-06025-0A BOLT HEX 6X25 92101-06025-0ABOLT HEX 6X252 on diagram x2 1.00
26 92101-06111-0A BOLT HEX 6X111 92101-06111-0ABOLT HEX 6X1111 on diagram x1 9.15
27 93500-06020-0A SCREW CROSS 6X20 93500-06020-0ASCREW CROSS 6X202 on diagram x2 2.00
28 94001-06200-0S NUT HEX. 6MM 94001-06200-0SNUT HEX. 6MM1 on diagram x1 1.50
29 94021-06000-0S NUT HEXCAP 6MM 94021-06000-0SNUT HEXCAP 6MM3 on diagram x3 3.35
30 94301-08120 PIN KNOCK 8X12A 94301-08120PIN KNOCK 8X12A2 on diagram x2 2.65
31 94301-08140 PIN A, DOWEL, 8X14 94301-08140PIN A, DOWEL, 8X142 on diagram x2 2.00
32 C6HSA PLUG, SPARK (C6HSA NGK) C6HSAPLUG, SPARK (C6HSA NGK)1 on diagram x1 7.95
32 U20FSU PLUG, SPARK (U20FS-U ND) U20FSUPLUG, SPARK (U20FS-U ND)1 on diagram x1 5.15

12023-035-405 - GUIDE VALVE

  • Reference

    1

  • Part Number

    12023-035-405

  • Description

    GUIDE VALVE

  • Price

    27.30

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12023-051-320 - GUIDE EXH-VALVE

  • Reference

    2

  • Part Number

    12023-051-320

  • Description

    GUIDE EXH-VALVE

  • Price

    29.15

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12101-GB2-000 - CYLINDER COMP.

  • Reference

    3

  • Part Number

    12101-GB2-000

  • Description

    CYLINDER COMP.

  • Price

    229.25

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12101-GB2-000 - CYLINDER COMP.

  • Reference

    3

  • Part Number

    12101-GB2-000

  • Description

    CYLINDER COMP.

  • Price

    229.25

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12191GW8683 - GASKET CYLINDER

  • Reference

    4

  • Part Number

    12191GW8683

  • Description

    GASKET CYLINDER

  • Price

    8.90

  • Qty On Diagram

    1

  • Stock in Store

    1

  • Qty In Cart

  • basket not updated, press update to apply change
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12200-041-305 - HEAD SET CYLINDER

  • Reference

    5

  • Part Number

    12200-041-305

  • Description

    HEAD SET CYLINDER

  • Price

    453.25

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12200-041-305 - HEAD SET CYLINDER

  • Reference

    5

  • Part Number

    12200-041-305

  • Description

    HEAD SET CYLINDER

  • Price

    453.25

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12251-065-505 - GASKET.CYLINDER H

  • Reference

    6

  • Part Number

    12251-065-505

  • Description

    GASKET.CYLINDER H

  • Price

    36.95

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12301-035-000 - COVER, CYLINDER HEAD

  • Reference

    7

  • Part Number

    12301-035-000

  • Description

    COVER, CYLINDER HEAD

  • Price

    43.20

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12331-035-000 - COVER, RIGHT CYLINDER HEAD SIDE

  • Reference

    8

  • Part Number

    12331-035-000

  • Description

    COVER, RIGHT CYLINDER HEAD SIDE

  • Price

    43.20

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12341-035-000 - COVER, LEFT CYLINDER HEAD SIDE

  • Reference

    9

  • Part Number

    12341-035-000

  • Description

    COVER, LEFT CYLINDER HEAD SIDE

  • Price

    43.20

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12361-035-000 - CAP, TAPPET ADJUSTING HOLE

  • Reference

    10

  • Part Number

    12361-035-000

  • Description

    CAP, TAPPET ADJUSTING HOLE

  • Price

    8.10

  • Qty On Diagram

    2

  • Stock in Store

    2

  • Qty In Cart

  • basket not updated, press update to apply change
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12391KVMC20 - GASKET CYLN HEAD COVER

  • Reference

    11

  • Part Number

    12391KVMC20

  • Description

    GASKET CYLN HEAD COVER

  • Price

    6.80

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12394-035-010 - GASKET R.CYLINDER

  • Reference

    12

  • Part Number

    12394-035-010

  • Description

    GASKET R.CYLINDER

  • Price

    8.60

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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12395-GW8-681 - GASKET, L. CYLINDER HEAD SIDE COVER

  • Reference

    13

  • Part Number

    12395-GW8-681

  • Description

    GASKET, L. CYLINDER HEAD SIDE COVER

  • Price

    8.10

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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16201-045-306 - GASKET INSULATOR

  • Reference

    14

  • Part Number

    16201-045-306

  • Description

    GASKET INSULATOR

  • Price

    5.40

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

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16211-045-306 - INS CARB

  • Reference

    15

  • Part Number

    16211-045-306

  • Description

    INS CARB

  • Price

    20.00

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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17111-130-000 - PIPE INLET

  • Reference

    16

  • Part Number

    17111-130-000

  • Description

    PIPE INLET

  • Price

    93.00

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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90033-041-020 - BOLT STUD 6X32

  • Reference

    17

  • Part Number

    90033-041-020

  • Description

    BOLT STUD 6X32

  • Price

    5.95

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

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90033-041-020 - BOLT STUD 6X32

  • Reference

    17

  • Part Number

    90033-041-020

  • Description

    BOLT STUD 6X32

  • Price

    5.95

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

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90082-035-010 - BOLT HS 6MM

  • Reference

    18

  • Part Number

    90082-035-010

  • Description

    BOLT HS 6MM

  • Price

    5.95

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

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90442-035-000 - WASHER, SEALING, 6MM

  • Reference

    19

  • Part Number

    90442-035-000

  • Description

    WASHER, SEALING, 6MM

  • Price

    6.55

  • Qty On Diagram

    3

  • Stock in Store

    No Stock

  • Qty In Cart

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90443-035-000 - WASHER A, SEALING, 6MM

  • Reference

    20

  • Part Number

    90443-035-000

  • Description

    WASHER A, SEALING, 6MM

  • Price

    5.65

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

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91302-001-020 - O RING 30.8 M/M

  • Reference

    21

  • Part Number

    91302-001-020

  • Description

    O RING 30.8 M/M

  • Price

    4.35

  • Qty On Diagram

    2

  • Stock in Store

    1

  • Qty In Cart

  • basket not updated, press update to apply change
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91303-035-000 - PACKING, RUBBER, 16MM

  • Reference

    22

  • Part Number

    91303-035-000

  • Description

    PACKING, RUBBER, 16MM

  • Price

    12.25

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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91305-028-900 - O-RING 9X1.6

  • Reference

    23

  • Part Number

    91305-028-900

  • Description

    O-RING 9X1.6

  • Price

    5.00

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

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91306-141-000 - GASKET, RUBBER, 9MM

  • Reference

    24

  • Part Number

    91306-141-000

  • Description

    GASKET, RUBBER, 9MM

  • Price

    8.60

  • Qty On Diagram

    1

  • Stock in Store

    1

  • Qty In Cart

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92101-06025-0A - BOLT HEX 6X25

  • Reference

    25

  • Part Number

    92101-06025-0A

  • Description

    BOLT HEX 6X25

  • Price

    1.00

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

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92101-06111-0A - BOLT HEX 6X111

  • Reference

    26

  • Part Number

    92101-06111-0A

  • Description

    BOLT HEX 6X111

  • Price

    9.15

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

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93500-06020-0A - SCREW CROSS 6X20

  • Reference

    27

  • Part Number

    93500-06020-0A

  • Description

    SCREW CROSS 6X20

  • Price

    2.00

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

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94001-06200-0S - NUT HEX. 6MM

  • Reference

    28

  • Part Number

    94001-06200-0S

  • Description

    NUT HEX. 6MM

  • Price

    1.50

  • Qty On Diagram

    1

  • Stock in Store

    4

  • Qty In Cart

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94021-06000-0S - NUT HEXCAP 6MM

  • Reference

    29

  • Part Number

    94021-06000-0S

  • Description

    NUT HEXCAP 6MM

  • Price

    3.35

  • Qty On Diagram

    3

  • Stock in Store

    No Stock

  • Qty In Cart

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94301-08120 - PIN KNOCK 8X12A

  • Reference

    30

  • Part Number

    94301-08120

  • Description

    PIN KNOCK 8X12A

  • Price

    2.65

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

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94301-08140 - PIN A, DOWEL, 8X14

  • Reference

    31

  • Part Number

    94301-08140

  • Description

    PIN A, DOWEL, 8X14

  • Price

    2.00

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

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C6HSA - PLUG, SPARK (C6HSA NGK)

  • Reference

    32

  • Part Number

    C6HSA

  • Description

    PLUG, SPARK (C6HSA NGK)

  • Price

    7.95

  • Qty On Diagram

    1

  • Stock in Store

    7

  • Qty In Cart

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U20FSU - PLUG, SPARK (U20FS-U ND)

  • Reference

    32

  • Part Number

    U20FSU

  • Description

    PLUG, SPARK (U20FS-U ND)

  • Price

    5.15

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

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