Echo PB-251 Service Manual

PB-251MAINTENANCE GUIDE
52
8-3 Disassembly chart
Cylinder
(7-6)
Ignition
coil
(3-8)
Cylinder
cover
Muffler
Intake
insulator
Flywheel
(3-10)
Inner fan
case
(6-1)
Carburetor
Fan hub
Fuel tank
Engine
cover
Throttle
control
(4-1)
Air filter
(5-1)
Pawl
carrier
(2-5)
Fan
(6-1)
Handle
(4-1)
Ignition
switch
(3-7)
Starter
assembly
(2-1)
Outer fan
case
(6-1)
Handle lid
(4-1)
Muffler
cover
Air cleaner
cover
(5-1)
Oil seal,
starter side
(7-5)
Crankcase
(7-9)
Oil seal,
fan side
(7-5)
Piston
(7-7)
Piston ring
(7-7)
Crankshaft
(7-9)
Ball
bearings
(7-10)
Needle
bearing
(7-8)

Echo PB-251 Specifications

General

Engine Displacement	25.4 cc
Air Speed	170 mph
Noise Level	70 dB(A)
Type	Handheld
Power Source	Gasoline
Fuel Capacity	16.9 fl oz