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22
EXHAUST SYSTEM
Spark Arrestor Screen
Level 2.
Tools Required: Cross Head Screwdriver. Soft metal brush.
Parts Required: Screen P/N 14586240630, Gasket P/N 14586642031
1.
Remove engine cover, see "Cooling System Cleaning" pages 19 - 21
for step by step instructions.
2.
Remove spark arrestor screen cover (A), gasket (B), and screen (C)
from muffler body.
3.
Clean carbon deposits from muffler components.
4.
Replace screen if it is cracked, plugged or has holes burned
through.
5.
Assemble components in reverse order.
CARBURETOR ADJUSTMENT
Engine Break-In
New engines must be operated a minimum duration of two tanks of fuel
break-in before carburetor adjustments can be made. During the break-in
period your engine performance will increase and exhaust emissions will
stabilize. Idle speed can be adjusted as required.
High Altitude Adjustment
High altitude adjustment is not required for proper operation of this
engine.
Level 2.
Tools required: Screwdriver, Tachometer (ECHO P/N 99051130017).
Parts required: None.
NOTE
Every unit is run at the factory and the carburetor is set in compli-
ance with emission regulations. This carburetor does not have
acceleration and high speed adjustment needles.
C
B
A
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