1981 Honda NX50 EXPRESS SR. CYLINDER + CYLINDER HEAD OEM Parts Diagram

Air & Fuel
+
Body, Fairing & Fender
+
Drive & Transmission
+
Exhaust
+
Foot Control
+
Frame
+
Seat
+
Suspension
+
Item MSRP Qty
#1 CYLINDER ASSY. A (NOT AVAILABLE)
121A0-187-000
$180.44
Available to order.
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#1 CYLINDER ASSY. B (NOT AVAILABLE)
121A1-187-000
$209.42
Available to order.
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#1 CYLINDER ASSY. A (NOT AVAILABLE)
12100-187-305
Superseded by 121A0-187-000
$180.44
Unavailable
#1 CYLINDER ASSY. B (NOT AVAILABLE)
12101-187-305
Superseded by 121A1-187-000
$209.42
Unavailable
#2 GASKET, CYLINDER
12191-147-306
Superseded by 12191-147-701
$8.20
Available to order.
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#2 GASKET, CYLINDER
12191-147-700
Superseded by 12191-147-701
$8.20
Unavailable
#2 GASKET, CYLINDER
12191-147-701
$8.20
Unavailable
#3 CYLINDER HEAD (NOT AVAILABLE)
12200-187-000
$57.94
Available to order.
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#4 GASKET, CYLINDER HEAD
12251-GM8-000
Superseded by 12251-GN2-000
$6.60
Available to order.
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#4 GASKET, CYLINDER HEAD
12251-GN2-000
$6.60
Unavailable
#4 GASKET, CYLINDER HEAD
12251-147-000
Superseded by 12251-GN2-000
$6.60
Unavailable
#5 BOX ASSY., CONTROL (NOT AVAILABLE)
16600-187-013
$37.02
Available to order.
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#6 TUBE 1, CONTROL VALVE (NOT AVAILABLE)
16605-187-000
$5.73
Available to order.
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#7 TUBE 2, CONTROL VALVE (NOT AVAILABLE)
16606-187-000
$7.30
Available to order.
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#8 TUBE 3, CONTROL VALVE (NOT AVAILABLE)
16607-187-000
$9.27
Available to order.
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#9 TUBE A, CONTROL VALVE (NOT AVAILABLE)
16611-187-000
$7.10
Available to order.
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#10 TUBE B, CONTROL VALVE (NOT AVAILABLE)
16621-187-000
$12.03
Available to order.
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#11 BOLT, STUD (6X16)
92700-06028-0B
Superseded by 92900-06016-0B
$1.47
Available to order.
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#12 CLIP, TUBE (B8)
95002-02080
$1.77
Available to order.
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#13 CLIP, TUBE (B10)
95002-02100
$1.87
Available to order.
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#14 BOLT, FLANGE (6X100)
95800-06100-00
Superseded by 95801-06100-00
$1.85
Available to order.
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#14 BOLT, FLANGE (6X100)
95801-06100-00
$1.85
Unavailable
#15 BOLT, FLANGE (6X20)
96000-060-2000
Superseded by 96001-06020-00
$1.35
Available to order.
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#15 BOLT, FLANGE (6X20)
96001-06020-00
$1.35
Unavailable
#16 SPARK PLUG (BP4HS) (NGK)
98076-54711
Superseded by 98076-54719
$2.63
Available to order.
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#16 SPARK PLUG (BP4HS) (NGK)
98076-54719
$2.63
Unavailable
#16 SPARK PLUG (W14FP-L) (DENSO)
98076-54721
$2.76
Available to order.
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#16 SPARK PLUG (BP5HS) (NGK)
98076-55711
Superseded by 98076-55719
$2.70
Available to order.
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#16 SPARK PLUG (BP5HS) (NGK)
98076-55719
$2.70
Unavailable
#16 SPARK PLUG (W16FP) (DENSO) (NOT AVAILABLE)
98076-55721
$2.55
Available to order.
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#16 SPARK PLUG (BP6HS) (NGK)
98076-56719
$2.63
Available to order.
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#16 SPARK PLUG (W20FR-L) (DENSO)
98076-56721
Superseded by 98076-5672G
$2.80
Available to order.
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