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Adjustment of the engine – DLE 35RA User Manual

Page 14

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14

Adjustment of the Engine

Each DLE Engine has been factory preset. However, higher
elevations will infl uence the performance of the carburetor. To
obtain optimum output of the engine, slight adjustment of the
carburetor maybe necessary. For safety reasons do not make
adjustment to the carburetor while the engine is running.

Engine Functions and Adjustments

1. Choke Control

(the choke control

should be used

when the engine
is cold)

2. Throttle Control

3. Idle Adjustment

Screw (adjust
the idle speed)

4. (L) Low-speed

Needle (adjusts
the fuel/air
mixture at low
speeds)

5. (H) High-speed

Needle (adjusts
the fuel/air
mixture at high
speeds)

Idle Adjustment

Turning the Idle Adjustment Screw (No.3) clockwise will increase the

idle speed. Turning the Idle Screw counter-clockwise will decrease
the idle speed.

Low Speed Needle Adjustment

Turning the Low-speed Needle (No.4) clockwise will lean the fuel/air

mixture at low speeds. Turning the Low-speed Needle (No.4) counter-

clockwise will richen the fuel/air mixture at low speeds. (The default