Echo cs-520 Parts Catalog

SCREW 5X12.....5, 11, 15
SCREW 5X14.....9, 11
SCREW 5X16.....21
SCREW 5X18.....11, 15
SCREW 5X20.....21, 25
SCREW 5X22.....25
SCREW 5X32.....15
SCREW 5X50.....5
SCREW, CHOKE VALVE.....7
SCREW, IDLE ADJUST.....7
SCREW, METERING DIAPHRAGM COVER.....7
SCREW, METERING LEVER PIN.....7
SCREW, PUMP COVER.....7
SCREW, THROTTLE LEVER.....7
SCREW, THROTTLE VALVE.....7
SCREWDRIVER -- PHILLIPS.....29
SCREWDRIVER -- SLOTTED.....29
SHAFT, CHOKE.....7
SHAFT, THROTTLE.....7
SHIELD, SNOW.....21
SHORT BLOCK.....25
SOCKET WRENCH -- 17X14.5mm.....29
SOCKET WRENCH/SCREWDRIVER --
10X19mm.....29
SOCKET WRENCH/SCREWDRIVER --
13X19mm.....29
SOCKET WRENCH/SCREWDRIVER --
17X19mm.....29
SPACER.....11, 15
SPACER, PISTON PIN.....25
SPARK PLUG -- BPM-7A.....13
SPARK PLUG -- BPMR-8Y.....13
SPIKED BUMPER KIT.....15
SPRING.....15, 23
SPRING PIN 2.5X12.....15
SPRING PIN 4X30.....21
SPRING PIN 4X8.8.....15
SPRING, BRAKE.....15
SPRING, CHOKE RETURN.....7
SPRING, CLUTCH.....19
SPRING, IDLE ADJUST.....7
SPRING, METERING LEVER.....7
SPRING, RETURN.....11
SPRING, REWIND.....11
SPRING, THROTTLE RETURN.....7, 21
SPROCKET GUARD ASY.....15
SPROCKET, RIM.....19
STARTER ASY.....11
STOPPER, BRAKE.....15
STUD, GUIDE BAR.....25
SWITCH, IGNITION.....5
T
TENSIONER, CHAIN.....15
TERMINAL, SPARK PLUG CAP.....13
TERMINAL, SWITCH.....5
TRIGGER, THROTTLE.....21
V
VALVE CHOKE.....7
VALVE, CHECK.....23
VALVE, INLET NEEDLE.....7
VALVE, THROTTLE.....7
VENT ASY.....21
W
WASHER.....7, 11, 15, 23
WASHER 5.....11
WEIGHT, BRAKE.....15
WOODRUFF KEY.....13
99922204144 - 32 - REVISED 03/19/08
Table of Contents Part Number Index
Part Description Index (continued)

Echo cs-520 Specifications

General

Engine Displacement	50.2 cc
Engine Type	2-stroke
Bar Length	16, 18, 20 inch
Chain Pitch	0.325 inches
Fuel Capacity	0.59 liters
Power Output	2.7 kW
Fuel Tank Capacity	0.59 liters
Chain Gauge	0.050 inches