Adjusting Screws

Engines.Parts Genuine Adjusting Screws for Small Engines

Discover our range of genuine Adjusting Screws designed specifically for Kawasaki, Honda, Briggs & Stratton, and Kohler small engines. These precision components enable fine-tuning of engine settings, ensuring optimal performance and longevity.

Adjusting Screws for Accurate Engine Tuning | Genuine Engines.Parts

Our adjusting screws, also known as tuning screws or calibration screws, are engineered to provide smooth and precise adjustments. Crafted from durable materials, they maintain stability under high operating conditions.

  • Genuine Brand Compatibility: Perfectly matched for Kawasaki, Honda, Briggs & Stratton, and Kohler engines for reliable fit and function.
  • Precision Engineering: Enables exact control over fuel mixture, idle speed, and other critical engine parameters.
  • Durability & Reliability: Built to withstand wear, corrosion, and vibrations to keep your engine running smoothly.

Maintain your small engine’s efficiency and extend its service life with our high-quality adjusting screws.

Why Choose Our Adjusting Screws?

We provide genuine, brand-specific adjusting screws that ensure precision, durability, and seamless compatibility to keep your small engines performing at their best.

  • Product
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  • Price
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  • 25 086 270-S - Screw: Speed Adjusting - Kohler Original Part - Image 1

    25 086 270-S Screw - Kohler Engines Genuine OEM Part

    Kohler Engines

    $2.88
    $2.59
    Engineered for Precision, Built to Last Robust construction for consistent and secure fastening Corrosion-resistant materials ensure long-term durability 100% genuine Kohler OEM component, guaranteeing exact fit and peak performance 25 086 270-S Screw...
    $2.88
    $2.59
    Qty in Cart: 0
    Quantity:
    Price:
    $2.88
    $2.59
    Subtotal:
  • ED0098500880-S - Adj Screw - Kohler-image1

    ED0098500880-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $30.47
    $27.42
    Precisely engineered to uphold Kohler's renowned power and durability Maintains accurate engine adjustments for peak performance Crafted as a 100% genuine Kohler OEM component for guaranteed fit ED0098500880-S Adjuster Screw—Elevate Your Kohler...
    $30.47
    $27.42
    Qty in Cart: 0
    Quantity:
    Price:
    $30.47
    $27.42
    Subtotal:
  • 25 086 297-S Idle Adjuster Screw & Spring - Kohler Engines Genuine OEM Part

    25 086 297-S Idle Adjuster Screw & Spring - Kohler Engines Genuine OEM Part

    Kohler Engines

    $2.27
    $2.04
    Engineered for seamless idle control with unmatched durability Exceptional fit and function designed specifically for Kohler Engines Maintains optimal throttle response and fuel efficiency 100% genuine Kohler OEM component ensuring factory-grade...
    $2.27
    $2.04
    Qty in Cart: 0
    Quantity:
    Price:
    $2.27
    $2.04
    Subtotal:
  • 90017-ZDY-000 - Screw Tappet Adj - Honda Original Part - Image 1

    90017-ZDY-000 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $2.68
    $2.50
    90017-ZDY-000 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $2.68
    $2.50
    Qty in Cart: 0
    Quantity:
    Price:
    $2.68
    $2.50
    Subtotal:
  • 90012-ZCJ-000 - Screw Tappet Adjuster - Honda Original Part

    90012-ZCJ-000 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $1.17
    $1.09
    90012-ZCJ-000 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $1.17
    $1.09
    Qty in Cart: 0
    Quantity:
    Price:
    $1.17
    $1.09
    Subtotal:
  • 90012-YM1-D00 - Screw Tappet Adj - Honda Original Part - Image 1

    90012-YM1-D00 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $6.72
    $6.23
    90012-YM1-D00 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $6.72
    $6.23
    Qty in Cart: 0
    Quantity:
    Price:
    $6.72
    $6.23
    Subtotal:
  • 90012-Z2E-000 - Screw Tappet Adj - Honda Original Part - Image 1

    90012-Z2E-000 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $2.88
    $2.67
    90012-Z2E-000 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $2.88
    $2.67
    Qty in Cart: 0
    Quantity:
    Price:
    $2.88
    $2.67
    Subtotal:
  • 90031-ZL8-D00 - Screw Adjusting - Honda Original Part - Image 1

    90031-ZL8-D00 - Screw Adjusting - Honda Genuine OEM Part

    Honda Engines

    $2.23
    $2.07
    90031-ZL8-D00 - Screw Adjusting - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $2.23
    $2.07
    Qty in Cart: 0
    Quantity:
    Price:
    $2.23
    $2.07
    Subtotal:
  • 90031-ZL8-850 - Screw Adjust - Honda Original Part - Image 1

    90031-ZL8-850 - Screw Adjust - Honda Genuine OEM Part

    Honda Engines

    $2.10
    $1.95
    90031-ZL8-850 - Screw Adjust - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $2.10
    $1.95
    Qty in Cart: 0
    Quantity:
    Price:
    $2.10
    $1.95
    Subtotal:
  • 90045-ZG5-D60 - Screw Adjusting - Honda Original Part - Image 1

    90045-ZG5-D60 - Screw Adjusting - Honda Genuine OEM Part

    Honda Engines

    $5.14
    $4.76
    90045-ZG5-D60 - Screw Adjusting - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $5.14
    $4.76
    Qty in Cart: 0
    Quantity:
    Price:
    $5.14
    $4.76
    Subtotal:
  • 90045-ZG5-010 - Screw Adjusting - Honda Original Part - Image 1

    90045-ZG5-010 - Screw Adjusting - Honda Genuine OEM Part

    Honda Engines

    $6.38
    $5.92
    90045-ZG5-010 - Screw Adjusting - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $6.38
    $5.92
    Qty in Cart: 0
    Quantity:
    Price:
    $6.38
    $5.92
    Subtotal:
  • 90012-ZG3-000 - Screw Tappet Adj. - Honda Original Part - Image 1

    90012-ZG3-000 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $12.13
    $11.24
    90012-ZG3-000 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $12.13
    $11.24
    Qty in Cart: 0
    Quantity:
    Price:
    $12.13
    $11.24
    Subtotal:
  • 90012-415-000 - Screw Tappet Adjuster - Honda Genuine OEM Part

    90012-415-000 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $7.95
    $7.36
    90012-415-000 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $7.95
    $7.36
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    $7.36
    Subtotal:
  • 14744-PCX-014 - Screw Tappet Adjuster - Honda Original Part

    14744-PCX-014 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $8.00
    $7.43
    14744-PCX-014 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $8.00
    $7.43
    Qty in Cart: 0
    Quantity:
    Price:
    $8.00
    $7.43
    Subtotal:
  • 14744-PM3-000 - Screw Tappet Adjuster - Honda Original Part

    14744-PM3-000 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $12.72
    $11.79
    14744-PM3-000 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $12.72
    $11.79
    Qty in Cart: 0
    Quantity:
    Price:
    $12.72
    $11.79
    Subtotal:
  • 90012-KK9-960 - Screw Tappet Adjuster  - Honda Original Part

    90012-KK9-960 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $7.04
    $6.52
    90012-KK9-960 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $7.04
    $6.52
    Qty in Cart: 0
    Quantity:
    Price:
    $7.04
    $6.52
    Subtotal:
  • 90017-Z0H-000 - Screw Tappet Adj - Honda Original Part - Image 1

    90017-Z0H-000 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $2.74
    $2.55
    90017-Z0H-000 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $2.74
    $2.55
    Qty in Cart: 0
    Quantity:
    Price:
    $2.74
    $2.55
    Subtotal:
  • 90012-Z6L-000 - Screw Tappet Adj - Honda Original Part

    90012-Z6L-000 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $3.07
    $2.85
    90012-Z6L-000 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $3.07
    $2.85
    Qty in Cart: 0
    Quantity:
    Price:
    $3.07
    $2.85
    Subtotal:
  • 90012-333-000 - Screw Tappet Adj - Honda Original Part - Image 1

    90012-333-000 - Screw Tappet Adjuster - Honda Genuine OEM Part

    Honda Engines

    $3.62
    $3.36
    90012-333-000 - Screw Tappet Adjuster - Honda Genuine OEM Part - This is a Honda genuine part. We are a Honda authorized dealer and offer original parts at the best price.
    $3.62
    $3.36
    Qty in Cart: 0
    Quantity:
    Price:
    $3.62
    $3.36
    Subtotal:
  • ED0098501590-S - Adjusting Screw M6 - Kohler Original Part - Image 1

    ED0098501590-S - Adjusting Screw M6 - Kohler Original Part

    Kohler Engines

    $11.48
    $10.33
    Precision engineered for unwavering control Ensures accurate engine adjustment for optimal performance Durable construction guarantees extended service life Authentic Kohler Engines OEM component for guaranteed compatibility and quality KOH...
    $11.48
    $10.33
    Qty in Cart: 0
    Quantity:
    Price:
    $11.48
    $10.33
    Subtotal:
  • 25 086 715-S - Screw; Speed Adjusting - Kohler Original Part

    25 086 715-S - Screw; Speed Adjusting - Kohler Original Part

    Kohler Engines

    $2.88
    $2.59
    Engineered Excellence, Built to Last Precision-crafted screw ensuring optimal engine assembly integrity Durable design resists wear and vibration for enhanced reliability 100% genuine Kohler OEM part guaranteeing perfect fit and performance 25 086...
    $2.88
    $2.59
    Qty in Cart: 0
    Quantity:
    Price:
    $2.88
    $2.59
    Subtotal:
  • 25 086 712-S - Screw, Speed Adjusting - Kohler Original Part - Image 1

    25 086 712-S - Screw; Speed Adjusting - Kohler Original Part

    Kohler Engines

    $2.88
    $2.59
    Engineered to perfection, built to last—experience genuine Kohler quality. Precision-crafted screw designed for optimal engine assembly and stability. Manufactured to withstand rigorous engine conditions, providing long-lasting dependability. Certified...
    $2.88
    $2.59
    Qty in Cart: 0
    Quantity:
    Price:
    $2.88
    $2.59
    Subtotal:
  • ED9850-094-S - Adj Screw - Kohler Original Part - Image 1

    ED9850-094-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $10.63
    $9.56
    Precision engineered for the heart of your Kohler engine’s performance. Durable construction ensures consistent, repeatable adjustments for optimal engine timing. Critical component for maintaining smooth operation and peak power output. 100% genuine...
    $10.63
    $9.56
    Qty in Cart: 0
    Quantity:
    Price:
    $10.63
    $9.56
    Subtotal:
  • ED9850-090-S - Adj Screw - Kohler Original Part - Image 1

    ED9850-090-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $3.59
    $3.23
    Precision craftsmanship for flawless engine calibration Durable design ensures long-lasting performance under demanding conditions Manufactured and tested by Kohler for guaranteed OEM quality and compatibility ED9850-090-S Adjuster Screw – The...
    $3.59
    $3.23
    Qty in Cart: 0
    Quantity:
    Price:
    $3.59
    $3.23
    Subtotal:
  • ED9850-078-S - Adj Screw - Kohler Original Part - Image 1

    ED9850-078-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $3.59
    $3.23
    Precision engineering that restores optimal engine control Durable construction ensures consistent adjustment performance 100% genuine Kohler OEM component for guaranteed compatibility ED9850-078-S Adjuster Screw – Elevate Your Kohler Engine’s...
    $3.59
    $3.23
    Qty in Cart: 0
    Quantity:
    Price:
    $3.59
    $3.23
    Subtotal:
  • ED9850-069-S - Adj Screw - Kohler Original Part - Image 1

    ED9850-069-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $5.25
    $4.72
    Precision-engineered for seamless adjustment and dependable performance Designed to maintain optimum engine tuning for enhanced power delivery 100% genuine Kohler OEM component assuring perfect fit and longevity ED9850-069-S Adjuster Screw – The Small...
    $5.25
    $4.72
    Qty in Cart: 0
    Quantity:
    Price:
    $5.25
    $4.72
    Subtotal:
  • ED9850-036-S - Adj Screw - Kohler Original Part - Image 1

    ED9850-036-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $10.02
    $9.01
    Precision tuning that keeps your engine performing at its peak Durable construction for lasting adjustment accuracy and stability 100% genuine Kohler OEM part engineered for perfect compatibility and trusted reliability ED9850-036-S Adjuster Screw –...
    $10.02
    $9.01
    Qty in Cart: 0
    Quantity:
    Price:
    $10.02
    $9.01
    Subtotal:
  • ED0098652130-S - Adjusting Screw - Kohler Original Part - Image 1

    ED0098652130-S - Adjusting Screw - Kohler Original Part

    Kohler Engines

    $11.44
    $10.29
    Engineered precision for lasting performance Durable, exact-fit design for consistent engine tuning Ensures smooth and reliable adjustment of engine settings 100% genuine Kohler OEM component for trusted authenticity ED0098652130-S Adjusting Screw –...
    $11.44
    $10.29
    Qty in Cart: 0
    Quantity:
    Price:
    $11.44
    $10.29
    Subtotal:
  • ED0098501270-S - Adjuster Screw - Kohler Original Part

    ED0098501270-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $17.47
    $15.72
    Engineered precision for flawless performance. Enhanced adjustment control for consistent engine efficiency. Durable design crafted to OEM standards by Kohler. 100% genuine Kohler Engines OEM component for perfect fit and reliability. ED0098501270-S...
    $17.47
    $15.72
    Qty in Cart: 0
    Quantity:
    Price:
    $17.47
    $15.72
    Subtotal:
  • ED0098501100-S - Adjuster Screw - Kohler Original Part

    ED0098501100-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $23.29
    $20.97
    Precision that powers performance. Engineered for exact calibration to maintain seamless engine adjustments. Crafted from premium materials to withstand harsh operating conditions. 100% genuine Kohler OEM part guaranteeing perfect compatibility and...
    $23.29
    $20.97
    Qty in Cart: 0
    Quantity:
    Price:
    $23.29
    $20.97
    Subtotal:
  • ED0098500550-S - Adj Screw - Kohler Original Part - Image 1

    ED0098500550-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $7.50
    $6.75
    Precision engineering for your Kohler power. Designed to ensure exact adjustment and optimal engine function. Durable construction guarantees long-lasting performance under demanding conditions. 100% genuine Kohler OEM part, crafted to meet factory...
    $7.50
    $6.75
    Qty in Cart: 0
    Quantity:
    Price:
    $7.50
    $6.75
    Subtotal:
  • ED0098500520-S - Adj Screw - Kohler Original Part - Image 1

    ED0098500520-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $9.78
    $8.80
    Precision engineered for uncompromising engine performance Ensures exact adjustment to maintain optimal engine operation Durable construction for long-lasting reliability under demanding conditions 100% Genuine Kohler Engines OEM component, guaranteeing...
    $9.78
    $8.80
    Qty in Cart: 0
    Quantity:
    Price:
    $9.78
    $8.80
    Subtotal:
  • ED0098500480-S - Adjuster Screw - Kohler-image1

    ED0098500480-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $7.18
    $6.46
    Precision engineered for seamless performance and reliability Durable construction provides consistent, long-lasting adjustment control 100% genuine Kohler OEM component designed to maintain factory-standard engine integrity ED0098500480-S Adjuster...
    $7.18
    $6.46
    Qty in Cart: 0
    Quantity:
    Price:
    $7.18
    $6.46
    Subtotal:
  • ED0098500450-S - Adjuster Screw - Kohler Original Part

    ED0098500450-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $12.52
    $11.26
    Precision in every turn, reliability in every part. This adjuster screw ensures accurate tuning and stable engine function under all conditions. Constructed for extended durability to maintain optimal engine performance over time. 100% genuine OEM...
    $12.52
    $11.26
    Qty in Cart: 0
    Quantity:
    Price:
    $12.52
    $11.26
    Subtotal:
  • ED0098500020-S - Adjuster Screw - Kohler Original Part

    ED0098500020-S - Adjuster Screw - Kohler Original Part

    Kohler Engines

    $15.42
    $13.87
    Precision that powers performance Durable construction designed to withstand demanding engine conditions Engineered specifically to maintain optimal engine adjustment settings 100% genuine Kohler OEM part ensuring exact fit and reliable...
    $15.42
    $13.87
    Qty in Cart: 0
    Quantity:
    Price:
    $15.42
    $13.87
    Subtotal:
  • ED00726A1010-S - Adjusting Screw - Kohler Original Part - Image 1

    ED00726A1010-S - Adjusting Screw - Kohler Original Part

    Kohler Engines

    $7.35
    $6.61
    Engineered to maintain peak performance with precision adjustment Provides accurate control for carburetor tuning, optimizing fuel efficiency Genuine Kohler OEM component ensuring perfect compatibility and durability ED00726A1010-S Adjusting Screw –...
    $7.35
    $6.61
    Qty in Cart: 0
    Quantity:
    Price:
    $7.35
    $6.61
    Subtotal:
  • ED00722R0410-S - Registro/Adjusting Screw - Kohler Original Part

    ED00722R0410-S - Registro/Adjusting Screw - Kohler Original Part

    Kohler Engines

    $24.30
    $21.87
    Precision adjustment for peak performance every time Durable construction guarantees extended engine reliability Engineered by Kohler as a 100% genuine OEM component ED00722R0410-S Registro/Adjusting Screw – The Essential Tune for Kohler Engines’...
    $24.30
    $21.87
    Qty in Cart: 0
    Quantity:
    Price:
    $24.30
    $21.87
    Subtotal:
  • ED00722R0400-S - Adjusting Screw - Kohler Original Part - Image 1

    ED00722R0400-S - Adjusting Screw - Kohler Original Part

    Kohler Engines

    $22.44
    $20.20
    Engineered to deliver precise adjustments for optimal engine performance Durable construction ensures consistent operation through demanding conditions 100% genuine Kohler OEM part guaranteeing exact fit and peak reliability ED00722R0400-S Adjusting...
    $22.44
    $20.20
    Qty in Cart: 0
    Quantity:
    Price:
    $22.44
    $20.20
    Subtotal:
  • ED00722R0240-S - Adjusting Screw - Kohler Original Part - Image 1

    ED00722R0240-S - Adjusting Screw - Kohler Original Part

    Kohler Engines

    $7.39
    $6.65
    Engineered for precision and durability to maintain optimal engine performance. Essential for fine-tuning fuel and air mixture settings, ensuring consistent power delivery. 100% genuine Kohler OEM part for perfect fit and reliability in every use...
    $7.39
    $6.65
    Qty in Cart: 0
    Quantity:
    Price:
    $7.39
    $6.65
    Subtotal:
  • 63 086 05-S - Screw; Valve Adjuster - Kohler Original Part

    63 086 05-S - Screw; Valve Adjuster - Kohler Original Part

    Kohler Engines

    $5.65
    $5.08
    Precision engineering meets unmatched reliability for your Kohler engine. Expertly crafted valve adjuster screw ensures exact valve clearance for smooth operation. Durable design maintains performance and engine health over extended use. 100% genuine...
    $5.65
    $5.08
    Qty in Cart: 0
    Quantity:
    Price:
    $5.65
    $5.08
    Subtotal:
  • Total: items /

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