Idle Adjustment

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. 4. Snug the casing clamp screw. Observe the range of throttle motion when the hand grip is moved from

IDLE to HIGH SPEED stops.

1. Start and run the engine at half throttle to warm engine to operating temperature. 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).

3. Move throttle control to FAST position. Engine should accelerate smoothly.

2 4. Turn the idle mixture screw 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.

Figure 133 — Idle Adjustment

1

2 7. Install the limiting cap (Figure 134) 3 to the idle mixture screw.

Figure 134 — Limiting Cap

3

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.

5 HP Outboard • Troubleshooting & Repair Manual Section 5 • Assembly

5 HP Outboard • Troubleshooting & Repair Manual Section 6 • Appendix

Appendix 67 Outboard Engine Fastener Specifications 68 Lower Unit Fastener Specifications 68 Ignition System Wiring Diagram 69 Component Location - Gear Case 71 Component Location-Midsection 73