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V
INTAGE
I
NTAKE
E
NGINE
S
USPENSION
C
ONTROL
E
LECTRICAL
C
HEMICAL
T
OOLS
W
ATERCRAFT
HSR42/45/48 Carburetor Rebuild Kits
No. Description
Mikuni No.
Order No.
59A.
Idle Adjuster Screw (Short)
990-605-065
007-484
60.
Air Jet (Blank)
BS30/97
002-149
61.
Needle Jet, #723 Series
784-430000
Pg.206
62.
Nozzle, Accelerator Pump
Std.
TM42/11-70
007-487
Nozzle, Accelerator Pump Optional sizes
Pg.171
63.
O-Ring, A/P Nozzle
VN124.063
007-163
64.
Pilot Jet #25 (#20 Sporty)
VM28/486
Pg.212
65.
Extender, Main Jet (
HSR42/45)
TM42/12
007-722
65A.
Extender, Main Jet
(HSR48)
TM42/12-1A
007-707
66.
Main Jet# 160 (HSR42)
N100.604-160
004-204
Main Jet #175 (HSR45)
N100.604-175
004-210
Main Jet #190 (HSR48)
N100.604-190
004-216
Main Jet *Optional Sizes
N100.604
Pg.214
67.
O-Ring, Needle Valve
616-33003
007-470
68.
Screw, Needle Valve Retainer
VM13/216
007-174
69.
Needle Valve Assembly (
HSR42/45)
786-27001-4.2
007-476
69A.
Needle Valve Assembly
(HSR48)
786-27002-1A-4.5
007-708
70.
Float Assembly
859-32027
007-497
71.
Pin, Float
BV26/22
002-107
72.
Screw, Float Pin
C2=0410
007-620
73.
Packing, Float Bowl
616-94028
007-472
74.
Float, Chamber Body
TM42/05
007-500
75.
Hose, Overflow
N122.028
007-630
76.
O-Ring, Drain Plug
VM28/254
002-531
77.
Drain Plug
(HSR42/45)
TM32/41
007-646
77A.
Drain Plug
(HSR48)
TM32/41-1D
007-713
78.
Screw, Float Bowl
C2=0412-B
007-201
79.
Rod, A/P
TM36/44-1A
007-191
80.
Boot, A/P Rod
TM36/64
007-195
81.
Plunger, A/P
TM36/60
007-198
82.
Spring, A/P
VM14SC13/89
007-200
83.
Rubber Cap, Purge Port
(not shown)
N198.063
007-716
HSR42/45/48 New Style Replacement Parts
• Lined through part numbers are no longer available.
Mikuni Part No. Highlighted in
BOLD RED
are included in rebuild kit.
No. Description
Mikuni No.
Order No.
1.
Screw, Top Cover 4x10mm
C5=410-B
007-624
2.
Screw, Top Cover 4x16mm (qt2)
CW2=0416-B
002-615
3.
Top Cover
(HSR42/45)
776-39005
007-741
3A.
Top Cover
(HSR48)
HS42/081
007-691
4.
Gasket, Top Cover
TM42/04
007-480
5.
E-Ring, Jet Needle
BS32/126
002-455
6.
Washer, Jet Needle Clip
826-03002
007-267
7.
Jet Needle (HSR42)
Std.
J8-8DDY01-97
007-082
Jet Needle (HSR45)
Std.
J8-8CFY02-97
007-102
Jet Needle (HSR48)
Std.
J8-8CFY15-97
007-097
8.
Lever, Throttle Valve
(HSR42/45)
TM42/03
007-742
8A.
Lever, Throttle Valve
(HSR48)
TM42/08-1A
–––––––
9.
E-Ring, Link Lever
B40I/56
007-616
10.
Packing, Link Lever
B40I/10
002-629
11.
Pin, Link Lever
834-23041
007-743
12.
Throttle Valve (Slide)
TM42/08-3.0
007-432
13.
Screw, Needle Retainer
739-13002
007-692
14.
Clip, Needle Retainer
TM42/16
007-671
15.
Sealing Ring, T.V.
(HSR42/45)
TM42/13
007-723
15A.
Sealing Ring, T.V.
(HSR48)
TM48/04
–––––––
16.
Seal, Throttle Valve
TM42/10
007-670
17.
Pulley, Cable Bracket
925-98006
007-693
18.
E-Ring, Cable Bracket
T53974
007-694
19.
Bracket Assy., Cable
TM42/51
007-695
19A.
Bracket Assy., Sportster/Buell
TM42/53
007-724
20.
Bolt, Bracket
B3=0520-B
007-696
21.
Spacer, Bracket
VM28/204
007-697
22.
Plate, Lock Tab
TM42/38
007-675
23.
Screw
C2=0514-B
007-698
24.
Guide Holder (Starter)
640-12001
007-161
25.
Spring, Starter Plunger
VM14/241
007-678
26.
Starter Plunger
N189.192
007-635
27.
Body
(HSR42/45)
TM42/06
–––––––
27A.
Body
(HSR48)
TM48/02
–––––––
28.
Seal, Spigot Body
616-94029
007-473
29.
Ring (Steel)
925-19011
–––––––
30.
Lever, A/P
TM42/43
007-699
31.
Pin, Throttle Lever
N138.019
007-171
32.
Lever, Throttle
TM42/48
007-700
33.
Spring, Accelerator Pump
M12F/46-BB
007-629
34.
Screw, Accelerator Adjust
MC-0316-B
007-193
35.
Spring, Accelerator Pump
TM42/47
007-744
36.
Mixing Body
(HSR42/45)
TM48SS1/01-0
–––––––
36A.
Mixing Body
(HSR48)
TM48SS1/01
–––––––
37.
Packing, Shaft (Plastic)
BS36-95
007-615
38.
Adjusting Screw, A/P
TM42/36
007-701
39.
O-Ring, A/P Screw
B30/205
007-188
40.
Bolt
TM40/89
007-669
40A.
Plate, Lock Tab for Shaft
TM42/17
007-703
41.
Pin, Return Lever
BN38/43
007-617
42.
Lever, Return
TM42/46
007-745
43.
Screw, Throttle Stop
B30/1069
007-746
44.
Nut, Throttle Stop
N3=04
007-637
45.
Spring, Throttle Return
TM42/19
007-672
46.
Shaft, Throttle
700-15012
–––––––
47.
Plate, Fuel Joint Retainer
TM42/15
007-704
48.
Screw, Fuel Joint Retainer
C2=0410-B
007-705
49.
Screw, Pilot Air Adjusting
604-20614
007-706
50.
Spring, Pilot Air Screw
N133.206
007-137
51.
Washer, Pilot Air Screw
VM12/205
007-482
52.
O-Ring, Pilot Air Screw
N133.037
002-858
53.
Fuel Joint
TM40/27
007-667
54.
O-Ring, Fuel Joint
KV/10
002-709
55.
Packing, Idle Adjuster
B30/398
007-614
56.
Washer, Idle Adjuster (steel)
VM22/138
007-680
57.
Spring, Idle Adjuster
730-09018
007-603
58.
Ring, Idle Adjuster
925-15001
007-612
59.
Idle Adjuster Screw (Long)
TM42/32
007-674
HSR42/45/48 New Style Parts
Kit contains GENUINE Mikuni parts, all the necessary parts and gaskets to
rebuild an HSR carburetor. Includes needle valve assembly, o-rings, gas-
kets and screws. Sold as a kit.
Mikuni No. Description
Order No
KHS-016
with 4.2 Needle Vlv. Assy. HSR42/45
002-989
KSR42/45 with 4.5 Needle Vlv. Assy. HSR48
002-982
Exploded
View No.
Qt
Contents
4.
1
Gasket, Top Cover
5.
1
E-Ring, Jet Needle
6.
1
Washer, Jet Needle
52.
1
O-Ring, Pilot Air
54.
2
O-Ring, Fuel Joint
63.
1
O-Ring, A/P
67.
1
O-Ring, Needle Valve
68.
1
Screw, N.V. Retainer
69
1
Needle Valve Assy 4.2
(HSR42/45)
69A.
1
Needle Valve Assy 4.5
(HSR48)
73.
1
Packing, Float Bowl
75.
1
Hose, Overflow
76.
1
O-Ring, Drain Plug
78.
4
Screw, Float Bowl (short)
80
1
Boot, A/P Rod
1...,173,174,175,176,177,178,179,180,181,182 184,185,186,187,188,189,190,191,192,193,...556