Amazon Secure Payment System Continue shopping “Idle Adjustment Knob & Retaining Ring – 9.9 & 15 hp – 1974 to 1985 – Johnson Evinrude – OMC 387272” has been added to your cart. Product Price Quantity Subtotal × Ram Mount RAM-108-1 Trolling Motor Stabilizer with Long Double Socket Arm, Black Powder Coat Finish $47.00 Ram Mount RAM-108-1 Trolling Motor Stabilizer with Long Double Socket Arm, Black Powder Coat Finish quantity $47.00 × OEM Evinrude Johnson Impeller with Key 0434424 $16.74 OEM Evinrude Johnson Impeller with Key 0434424 quantity $16.74 × Idle Adjustment Knob & Retaining Ring - 9.9 & 15 hp - 1974 to 1985 - Johnson Evinrude - OMC 387272 $25.82 Idle Adjustment Knob & Retaining Ring - 9.9 & 15 hp - 1974 to 1985 - Johnson Evinrude - OMC 387272 quantity $25.82 Coupon: Apply coupon Update cart Cart totals Subtotal $89.56 Total $89.56 Proceed to checkout