Manualsbrain.com
  1. Manuals
  2. Brands
  3. Echo
  4. X750010904
  5. User Manual

Echo X750010904 User Manual

Download
Page of 36
32
CS-450
 
MODEL 
CS-450
Dimension 
L × W × H 
mm 
400 × 252 × 278  (15.7 in. × 9.9 in. × 10.9 in.)
Mass 
Power head, dry 
kg 
5.1 (11.2 lb.) Without chain and guide bar
Engine 
Type 
 
Air-cooled two-stroke single cylinder
 
Displacement 
mL (in
3
) 
45.0 (2.746 c.u in.)
 
Carburetor 
 
Diaphragm type 
 
Magneto 
 
Flywheel magneto: CDI system 
 
Spark plug 
 
NGK BPM8Y 
   
 
Starter 
 
Recoil starter 
 
Power transmission 
 
Automatic centrifugal clutch
Fuel 
Mixture ratio 
 
50 : 1 ratio with ECHO Power Blend X™, ISO-L-  
 
 
 
EGD (ISO/CD 13738), JASO M345-FD   
 
 
 
 
two- stroke, air-cooled engine oil.
 
Gasoline 
 
Use 89 octane unleaded.     
 
 
 
 
 
Do not use fuel containing methyl alcohol, more than  
 
 
 
10 % ethyl alcohol or 15 % MTBE.    
 
 
 
 
Do not use alternative fuels such as E-15 or E-85.
 
Tank capacity 
L 
0.45 (15.2 US. fl. oz.) 
Oil 
Bar and chain  
 
ECHO bar and chain oil (or motor oil)
 
Tank capacity 
L 
0.28 (9.5 US. fl. oz.)
Guide bar and   
 
See page 23 for Chain and Guide Bar Combination 
saw chain 
 
 
 
   
 
 
Lubrication 
 
Adjustable automatic oil pump
Engine speed  Idle 
r/min 
2,700  
   
 
 
 
Clutch 
engagement 
r/min 
4,000 
 
   
 
Wide open throttle 
r/min 
12,500 
Standard 
 
 
Front hand guard, Rear hand guard,  
 
features 
 
 
Anti-vibration device, Spiked bumper, 
 
 
 
 
Throttle control lockout, Chain brake,  
 
 
 
 
Chain catcher, Spark arrestor muffler, Kick guard
STORAGE AFTER USE
* Technical data subject to change without notice.
TECHNICAL DATA
   WARNING
Do not store in an enclosure where fuel fumes 
may accumlate or reach an open flame or spark.
   CAUTION
Do not lend or rent your chain saw without the 
Instruction manual and Safety manual.
NOTE
• For future reference, you should keep this Instruction 
manual and the Safety manual.
• If this Instruction manual or the Safety manual has 
become illegible or is lost, please contact your ECHO 
dealer, or go to www.echo-usa.com.
•  Inspect and adjust every part of the chain saw. 
-  Completely clean every part and repair if neces-
sary.
-  Apply thin coating of oil on metal parts to prevent 
rust.
•  Remove chain and guide bar. 
•  Drain fuel tank completely. Press purge bulb 6 - 7 
times to remove remaining fuel from carburetor then 
drain the tank again. Close choke, start and run the 
engine until it stops due to lack of fuel.
•  Allow engine to cool then remove the spark plug and 
pour 7 cc (1/4 oz.) of fresh, clean, two-stroke engine 
oil into the cylinder through the spark plug hole. 
•  Store in a dry area, free from dust.