OPTIONAL ATTACHMENTS & ACCESSORIES
Accessories
99944100025 Rain Gutter Kit
PARTS CATALOG
99944200300 Yard Shield
PB-251 Power Blower
RePower Maintenance Kits
25.4cc
90107
Tune-Up Kit
MODEL:SERIAL NUMBERS
PB-251: S/N: 09001001 - 09999999
ECHO, INCORPORATED
400 Oakwood Road Lake Zurich, Illinois 60047 USA
WWW.ECHO-USA.COM
99922203923
©2010 ECHO Incorporated, RePower is Registered Trademark of ECHO Incorporated. All Rights Reserved
REVISED 12/29/10
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PB-251 Power Blower
Fuel System
ITEM PART NUMBER QTY DESCRIPTION
REMARKS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A350000510
90025305020
90060300005
V420001430
13211544330
13201049730
V471001860
13201309820
13120507320
A356000030
V471001220
13211501461
13100455530
13101655830
13105156030
1
2
2
1
1
1
1
2
1
1
1
1
1
1
1
TANK, FUEL
SCREW 5X20 - TAPPING
WASHER
CUSHION
GROMMET
PIPE, RETURN - 3X6X85mm
PIPE, FUEL - 3X5X175mm
CLIP
FILTER, FUEL
VENT ASY
REPOWER BULK OPTION: 90017
REPOWER BULK OPTION: 90014
PIPE, VENT - 3X5X50mm
GROMMET
CAP ASY - ORANGE
GASKET, CAP
REPOWER BULK OPTION: 90014
INCLUDES ITEMS 14-15
CONNECTOR, CAP
99922203923
- 5 -
REVISED 12/29/10
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PB-251 Power Blower
Starter
ITEM PART NUMBER QTY DESCRIPTION
REMARKS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
V376000900
V263000070
90016304016
A052000200
90070000004
17723412220
P022006850
A051001060
17723644330
17724611120
17722827030
17722742030
P022008260
17721544430
17722042030
V420001440
90010605014
1
1
4
1
2
2
2
1
1
1
1
1
1
1
1
1
3
SPACER ASY
FLANGE NUT 5
SCREW 4X16
STARTER PAWL ASY
E-RING 4
SPRING, RETURN
PAWL
STARTER, RECOIL
SCREW
INCLUDES ITEMS 2-3
INCLUDES ITEMS 5-7
INCLUDES ITEMS 9-15
RETAINER
GRIP, STARTER
GUIDE, ROPE
ROPE, STARTER - 3X700mm
PULLEY
SPRING, REWIND
CUSHION
REPOWER BULK OPTION: 99944440000
SCREW 5X14
99922203923
- 7 -
REVISED 12/29/10
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PB-251 Power Blower
Intake
ITEM PART NUMBER QTY DESCRIPTION
REMARKS
1
2
3
V299000250
13191103460
A232000340
A226000470
A226000350
A244000070
90010505060
P021010980
13001642031
C480000070
V264000050
V103000400
A200000280
90016205025
V103000390
------------------
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
THUMB SCREW
WASHER
LID, AIR CLEANER
FILTER, AIR - DOUBLE LAYER
FILTER, AIR - SINGLE LAYER
PLATE, PREVENT
1
4
5
6
7
8
OPTIONAL
SCREW 5X60
AIR CLEANER CASE ASY
2
9
GASKET, INTAKE
GUIDE, CABLE
NUT 6
10
11
12
13
14
15
16
2
GASKET, INTAKE
INSULATOR
SCREW 5X25
2
GASKET, INTAKE
CARBURETOR
See Carburetor Diagrams For Additional Information
Footnotes
1: Also Included In REPOWER TUNE-UP
2: Also Included In Gasket Kit
99922203923
- 9 -
REVISED 12/29/10
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PB-251 Power Blower
Carburetor -- RB-K85
ITEM PART NUMBER QTY DESCRIPTION
REMARKS
A021001350
P005002000
12534413931
P005001240
P005000190
P005000100
P005001270
P005000280
------------------
P005001270
P005001260
P005001890
P005000270
12538108660
P005000250
P005001900
12534252130
12534452130
12533942030
P005001670
P005001000
------------------
------------------
------------------
------------------
------------------
------------------
------------------
------------------
------------------
P005001660
------------------
------------------
------------------
------------------
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
4
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
CARBURETOR -- RB-K85
ROTOR COVER ASY
SCREW, ROTOR COVER
SWIVEL
E-RING
SCREW, THROTTLE ADJUST
PLUG
1
2
3
4
5
6
7
8
O-RING
1
BODY, CARBURETOR
9
PLUG
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
NEEDLE - HIGH SPEED
PURGE BASE ASY
SCREW, PURGE BASE ASY
BULB, PURGE
RETAINER, PURGE BULB
SCREW, RETAINER
COVER, DIAPHRAGM
SCREW, DIAPHRAGM COVER
SCREW, METERING LEVER PIN
REPAIR KIT
INCLUDES ITEMS 21-30
ROLLER, GUIDE
PIN, METERING LEVER
VALVE, INLET NEEDLE
LEVER, METERING
SPRING, METERING LEVER
STRAINER
DIAPHRAGM, PUMP
GASKET, PUMP
GASKET, METERING DIAPHRAGM
DIAPHRAGM, METERING
DIAPRAGM/GASKET KIT
DIAPHRAGM, PUMP
GASKET, PUMP
INCLUDES ITEMS 32-35
GASKET, METERING DIAPHRAGM
DIAPHRAGM, METERING
Footnotes
1: NOT AVAILABLE SEPARATELY
99922203923
- 11 -
REVISED 12/29/10
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PB-251 Power Blower
Exhaust
ITEM PART NUMBER QTY DESCRIPTION
REMARKS
1
2
3
4
5
6
7
8
90010605014
A320000410
9136704012
A313000850
A313000840
P021016930
A313001070
V104000940
A310000070
V203000190
90060300005
A300000141
V104000820
2
1
5
1
1
1
1
1
1
2
2
1
1
SCREW 5X14
COVER, EXHAUST
SCREW 4X12
GUIDE, EXHAUST - OUTER
GUIDE, EXHAUST - INNER
EXHAUST GUIDE KIT
GUIDE, EXHAUST
INCLUDES ITEM 7
1
GASKET, EXHAUST
SCREEN
BOLT 5
WASHER
MUFFLER
9
10
11
12
13
1
SHIELD, EXHAUST
Footnotes
1: Also Included In Gasket Kit
99922203923
- 13 -
REVISED 12/29/10
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PB-251 Power Blower
Handle, Switch,Throttle Cable
ITEM PART NUMBER QTY DESCRIPTION
REMARKS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
C411000010
90025305020
90025305025
90023805025
90060300005
C453000260
90060300005
90056250005
C450000240
C454000130
V431000000
A440000770
9154503010
A444000020
V486000070
V485000830
V263000070
C400000471
C459000010
A160000830
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
COVER, HANDLE
SCREW 5X20 - TAPPING
SCREW 5X25
SCREW 5X25
WASHER
LEVER, THROTTLE
WASHER
FLANGE NUT 5
TRIGGER, THROTTLE
ROD, THROTTLE
CABLE, THROTTLE
IGNITION SWITCH ASY
SCREW 3X10
INCLUDES ITEMS 13-14
KNOB
TERMINAL, GROUND
LEAD, GROUND
FLANGE NUT 5
HANDLE, UPPER
COVER, THROTTLE
COVER, ENGINE
99922203923
- 15 -
REVISED 12/29/10
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PB-251 Power Blower
Fan Housing
ITEM PART NUMBER QTY DESCRIPTION
REMARKS
1
2
3
4
5
6
7
8
9
E104000080
90025305020
E162000000
E103000461
90010008014
10014319830
E100000070
E103000451
90016204020
C410000390
C410000400
1
GUARD, FAN
14 SCREW 5X20 - TAPPING
2
1
1
1
1
1
4
1
1
CLAMP
CASE, FAN
BOLT 8X14
WASHER
FAN
CASE, FAN
SCREW 4X20
HANDLE, LOWER - INNER
HANDLE, LOWER - OUTER
10
11
99922203923
- 19 -
REVISED 12/29/10
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PB-251 Power Blower
Ignition, Cylinder Cover
ITEM PART NUMBER QTY DESCRIPTION
REMARKS
1
2
3
4
5
A411000290
9111304020
V475003380
A427000013
A429000010
A426000010
15901019830
A425000000
15611004920
V485000820
15211505530
A409000210
E101000071
A160000820
90010605008
1
2
1
1
1
1
1
1
1
1
1
1
1
1
2
COIL, IGNITION
BOLT
INSULATOR
CAP, SPARK PLUG
COVER, DUST
TERMINAL, SPARK PLUG CAP
6
7
1
SPARK PLUG -- BPM-8Y
1
8
CANADA MODELS
SPARK PLUG -- BPMR-8Y
BUSHING
LEAD, IGNITION
BUSHING
FLYWHEEL
HUB, FAN
COVER, CYLINDER
SCREW 5X8
9
10
11
12
13
14
15
Footnotes
1: Also Included In REPOWER TUNE-UP KIT
99922203923
- 21 -
REVISED 12/29/10
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PB-251 Power Blower
Engine, Short Block - SB1092
ITEM PART NUMBER QTY DESCRIPTION
REMARKS
1
2
3
SB1092
1
4
1
1
1
1
1
2
2
1
1
1
2
2
2
1
3
1
1
1
1
SHORT BLOCK - SB1092
SCREW 5X25
CYLINDER
INCLUDES ITEMS 2-21
90016205025
A130000780
V100000190
P021010260
A101000140
V606000000
10001504630
10001411520
V553000010
A011000371
P021008231
10021242031
V622000020
9403536201
10024242030
90016205028
------------------
------------------
------------------
------------------
1
4
GASKET, CYLINDER
5
6
7
8
PISTON KIT
RING, PISTON
PIN, PISTON
CIRCLIP, PISTON PIN
SPACER, PISTON PIN
BEARING, NEEDLE 8
CRANKSHAFT ASY
CRANKCASE KIT
OIL SEAL
INCLUDES ITEMS 6-9
9
10
11
12
13
14
15
16
17
18
19
20
21
INCLUDES ITEMS 13-17
DOWEL PIN
BEARING, BALL - 6201
1
GASKET, CRANKCASE
SCREW 5X28
1
SEE PAGE "Exhaust"
SEE PAGE "Intake"
SEE PAGE "Intake"
SEE PAGE "Intake"
SHIELD, EXHAUST
1
GASKET, INTAKE
1
GASKET, INTAKE
1
GASKET, INTAKE
Footnotes
1: Also Included In Gasket Kit
99922203923
- 23 -
REVISED 12/29/10
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PB-251 Power Blower
Labels
ITEM PART NUMBER QTY DESCRIPTION
REMARKS
1
2
3
4
5
6
7
8
9
X505002310
X532000671
X532000720
X503008160
X502000330
X506000080
X506000090
X508000120
X505002080
X547000520
1
1
1
1
1
1
1
1
1
1
LABEL - CAUTION -- HOT
LABEL - SPARK PLUG -- BPM-8Y
LABEL - SPARK PLUG -- BPMR-8Y
LABEL - MODEL -- PB-251
LABEL, ECHO
LABEL, CHOKE
LABEL, CHOKE
LABEL, NOISE
LABEL, CAUTION
CANADA MODELS
CANADA MODELS
10
LABEL - MODEL -- PB-251
99922203923
- 25 -
REVISED 12/29/10
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Part Number Index
Click The Page Number After Any Part Number To View The Diagram Containing That Part.
Part Number
Page
Part Number
Page
Part Number
Page
10001411520 ............23
10001504630 ............23
10014319830 ............19
10021242031 ............23
10024242030 ............23
12533942030 ............11
12534252130 ............11
12534413931 ............11
12534452130 ............11
12538108660 ............11
13001642031 ............9
13100455530 ............5
13101655830 ............5
13105156030 ............5
13120507320 ............5
13191103460 ............9
13201049730 ............5
13201309820 ............5
13211501461 ............5
13211544330 ............5
15211505530 ............21
15611004920 ............21
15901019830 ............21
17721544430 ............7
17722042030 ............7
17722742030 ............7
17722827030 ............7
17723412220 ............7
17723644330 ............7
17724611120 ............7
90010008014 ............19
90010505060 ............9
90010605008 ............21
90016204020 ............19
90016205028 ............23
90016304016 ............7
90023805025 ............15
90025305025 ............15
90056250005 ............15
90070000004 ............7
9111304020 ..............21
9136704012 ..............13
9154503010 ..............15
9403536201 ..............23
A011000371 ..............23
A021001350 ..............11
A051001060 ..............7
A052000200 ..............7
A101000140 ..............23
A130000780 ..............23
A160000820 ..............21
A160000830 ..............15
A200000280 ..............9
A226000350 ..............9
A226000470 ..............9
A232000340 ..............9
A244000070 ..............9
A300000141 ..............13
A310000070 ..............13
A313000840 ..............13
A313000850 ..............13
A313001070 ..............13
A320000410 ..............13
A350000510 ..............5
A356000030 ..............5
A409000210 ..............21
A411000290 ..............21
A425000000 ..............21
A426000010 ..............21
A427000013 ..............21
A429000010 ..............21
A440000770 ..............15
A444000020 ..............15
C400000471 ..............15
C410000390 ..............19
C410000400 ..............19
C411000010 ..............15
C450000240 ..............15
C453000260 ..............15
C454000130 ..............15
C459000010 ..............15
C480000070 ..............9
E100000070 ..............19
E101000071 ..............21
E103000451 ..............19
E103000461 ..............19
E104000080 ..............19
E162000000 ..............19
E165000170 ..............17
E165000180 ..............17
P005000100 ..............11
P005000190 ..............11
P005000250 ..............11
P005000270 ..............11
P005000280 ..............11
P005001000 ..............11
P005001240 ..............11
P005001260 ..............11
P005001270 ..............11
P005001660 ..............11
P005001670 ..............11
P005001890 ..............11
P005001900 ..............11
P005002000 ..............11
P021008231 ..............23
P021010260 ..............23
P021010980 ..............9
P021012350 ..............27
P021016930 ..............13
P022006850 ..............7
P022008260 ..............7
SB1092 ......................23
V100000190 ..............23
V103000390 ..............9
V103000400 ..............9
V104000820 ..............13
V104000940 ..............13
V203000190 ..............13
V264000050 ..............9
V299000250 ..............9
V376000900 ..............7
V420001430 ..............5
V420001440 ..............7
V431000000 ..............15
V471001220 ..............5
V471001860 ..............5
V475003380 ..............21
V485000820 ..............21
V485000830 ..............15
V486000070 ..............15
V553000010 ..............23
V606000000 ..............23
V622000020 ..............23
X502000330 ..............25
X503008160 ..............25
X505002080 ..............25
X505002310 ..............25
X506000080 ..............25
X506000090 ..............25
X508000120 ..............25
X532000671 ..............25
X532000720 ..............25
X547000520 ..............25
99922203923
- 28 -
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REVISED 12/29/10
Part Description Index
Click The Page Number After Any Part Desciption To View The Diagram Containing That Part.
GROMMET.....5
GUARD, FAN.....19
GUIDE, CABLE.....9
GUIDE, EXHAUST.....13
GUIDE, EXHAUST - INNER.....13
GUIDE, EXHAUST - OUTER.....13
GUIDE, ROPE.....7
PURGE BASE ASY.....11
A
R
AIR CLEANER CASE ASY.....9
B
RING, PISTON.....23
ROD, THROTTLE.....15
ROLLER, GUIDE.....11
ROTOR COVER ASY.....11
BEARING, BALL - 6201.....23
BEARING, NEEDLE 8.....23
BULB, PURGE.....11
BUSHING.....21
H
S
HANDLE, LOWER - INNER.....19
HANDLE, LOWER - OUTER.....19
HANDLE, UPPER.....15
SCREEN.....13
SCREW.....7
SCREW 3X10.....15
SCREW 4X12.....13
SCREW 4X16.....7
SCREW 4X20.....19
C
HUB, FAN.....21
CABLE, THROTTLE.....15
CAP ASY - ORANGE.....5
CARBURETOR.....9
CARBURETOR -- RB-K85.....11
CASE, FAN.....19
CLAMP.....19
CLIP.....5
I
IGNITION SWITCH ASY.....15
SCREW 5X28.....23
K
SCREW 5X60.....9
SCREW 5X8.....21
KNOB.....15
COIL, IGNITION.....21
CONNECTOR, CAP.....5
COVER, CYLINDER.....21
COVER, DIAPHRAGM.....11
COVER, DUST.....21
COVER, ENGINE.....15
COVER, EXHAUST.....13
COVER, HANDLE.....15
COVER, THROTTLE.....15
CRANKCASE KIT.....23
CRANKSHAFT ASY.....23
SCREW, DIAPHRAGM COVER.....11
SCREW, METERING LEVER PIN.....11
SCREW, PURGE BASE ASY.....11
SCREW, ROTOR COVER.....11
SCREW, THROTTLE ADJUST.....11
SHORT BLOCK - SB1092.....23
SPRING, METERING LEVER.....11
SPRING, RETURN.....7
SPRING, REWIND.....7
STRAINER.....11
L
LABEL - CAUTION -- HOT.....25
LABEL - MODEL -- PB-251.....25
LABEL, CAUTION.....25
LABEL, CHOKE.....25
LABEL, ECHO.....25
LABEL, NOISE.....25
LEAD, GROUND.....15
LEAD, IGNITION.....21
CYLINDER.....23
LEVER, METERING.....11
LEVER, THROTTLE.....15
LID, AIR CLEANER.....9
D
DIAPHRAGM, METERING.....11
DIAPHRAGM, PUMP.....11
DIAPRAGM/GASKET KIT.....11
DOWEL PIN.....23
M
MUFFLER.....13
SWIVEL.....11
N
T
E
NEEDLE - HIGH SPEED.....11
NUT 6.....9
E-RING.....11
E-RING 4.....7
TERMINAL, GROUND.....15
THUMB SCREW.....9
TRIGGER, THROTTLE.....15
TUBE, BLOWER - NOZZEL.....17
TUBE, BLOWER - STRAIGHT.....17
EXHAUST GUIDE KIT.....13
O
OIL SEAL.....23
O-RING.....11
F
FAN.....19
P
V
PAWL.....7
VALVE, INLET NEEDLE.....11
VENT ASY.....5
PIN, METERING LEVER.....11
PIN, PISTON.....23
PIPE, FUEL - 3X5X175mm.....5
PIPE, RETURN - 3X6X85mm.....5
PIPE, VENT - 3X5X50mm.....5
PISTON KIT.....23
PLUG.....11
W
G
GASKET KIT.....27
PULLEY.....7
99922203923
- 29 -
REVISED 12/29/10
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ECHO, INCORPORATED
400 Oakwood Road
Lake Zurich, IL 60047 USA
WWW.ECHO-USA.COM
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