Low Speed Adjustment Knob for Johnson Evinrude 74-92 Slow Idle Rich Lean 319152

Low Speed Adjustment Knob for Johnson Evinrude

This low speed adjustment knob, OEM cross-reference number 319152, allows adjustment of the slow idle rich/lean mixture on Johnson Evinrude outboard motors from 1974 to 1992.

Overview

This low speed adjustment knob is designed for Johnson Evinrude outboard motors produced between 1974 and 1992. It enables precise tuning of the slow idle mixture for smooth operation. The knob replaces worn or missing adjustment controls on carbureted outboards.

Built For Performance

• Direct replacement for OEM part number 319152
• Allows fine adjustment of idle air/fuel mixture
• Durable plastic construction resists corrosion
• Easy installation - screws onto existing adjustment screw
• Compatible with both Johnson and Evinrude brands

Fits These Machines

• for Johnson Evinrude outboard motors (1974-1992)

On-The-Job Use

• Adjust idle mixture for smoother running at low speeds
• Tune for optimal performance during trolling or docking
• Fine-tune rich/lean mixture for cold starts

Specs At A Glance

Good To Know

Q: How do I install this adjustment knob? A: Simply remove the old knob or screw and thread this replacement knob onto the adjustment barrel. Finger-tighten only.

Q: Does this knob work on all Johnson Evinrude models? A: It is designed for outboards from 1974 to 1992 with the standard low speed adjustment screw; always confirm compatibility with your serial number.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.