5 HP Outboard • Troubleshooting & Repair Manual Section 5 • Assembly
3. Press on the throttle to ensure that it is seated firmly against the idle adjusting screw.
7. Install the limiting cap (Figure 134) mixture screw.
4. Snug the casing clamp screw. Observe the range of throttle motion when the hand grip is moved from IDLE to HIGH SPEED stops.
Figure 134 — Limiting Cap
3
to the idle
Idle Adjustment 1. Start and run the engine at half throttle to warm engine to operating temperature. 3
2. Rotate throttle lever counterclockwise to the IDLE position and hold against throttle stop while adjusting idle speed adjusting screw (Figure 133) 1 to obtain 1900 RPM (1400 RPM in FORWARD gear, with the propeller in water). Figure 133 — Idle Adjustment
1 8. Move throttle control to FAST position. Engine should accelerate smoothly. If the engine does not accelerate smoothly, open the idle mixture screw 1/8 turn.
2
3. Move throttle control to FAST position. Engine should accelerate smoothly.
5
4. Turn the idle mixture screw 2 clockwise slowly until the engine just begins to slow, and note or mark the position of the screw. 5. Then turn the screw counterclockwise until the engine just begins to slow. Again note or mark the position of the screw. 6. Turn the idle mixture screw to the midpoint between the two positions.
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