0387272 387272 Idle Adjustment Knob and Retainer Clip for Johnson Evinrude OMC

This idle adjustment knob and retainer clip is a replacement part compatible with Johnson, Evinrude, and OMC outboard motors and matches OEM Part# 0387272 / 387272.

Product Overview

This idle adjustment knob and retainer clip is an OEM-style replacement for Johnson, Evinrude, and OMC outboard motors. It allows precise adjustment of the engine’s idle speed, ensuring smooth operation at low RPM. Perfect for boat owners and marine mechanics restoring or maintaining older two-stroke outboards, this knob and clip set restores original functionality.

Key Features & Performance

• Direct replacement for OEM part numbers 0387272 and 387272
• Knob provides a comfortable grip for fine-tuning idle speed
• Retainer clip secures the knob to the linkage arm or carburetor
• Rugged plastic construction resists marine fuel and UV exposure
• Easy to install – simply remove old knob and clip, then snap into place

Fitment & Compatibility

• Compatible with select Johnson and Evinrude outboard motors from the 1960s through 1990s
• Fits OMC (Outboard Marine Corporation) engines using idle adjustment linkage with a knob and clip
• Commonly used on models with carbureted two-stroke powerheads

Common Uses

• Replacing broken or missing idle adjustment knobs on vintage outboards
• Restoring original idle control on Johnson/Evinrude motors during rebuilds
• Swapping worn clips that no longer hold the knob in place

Technical Specifications

• Part Number(s): 0387272 / 387272
• Material: Plastic (knob), metal (retainer clip)
• Type: Idle adjustment knob with retainer clip

Frequently Asked Questions

Q: Will this idle adjustment knob fit my 1978 Evinrude 15 HP outboard? A: This knob and clip are used on many Johnson, Evinrude, and OMC models from that era – please compare your original part shape to confirm compatibility.

Q: Does the kit include both the knob and the retainer clip? A: Yes, the set includes both the idle adjustment knob and the metal retainer clip as shown.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.