CDI MODULE 1996-1999 YAMAHA BIG BEAR YFM 350 KODIAK TIMBERWOLF 400 4KB-85540-30-00 4SH-85540-00-00
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 18+, T&Cs apply
This CDI module is a direct replacement for Yamaha Big Bear and related utility ATV models, providing reliable ignition control and maintaining factory timing curves. It features a plug-and-play design and is constructed with high-grade Japanese electronic components to ensure durability and performance. This unit retains the original factory timing curve and is designed to handle increased power loads, matching OEM appearance and specifications. It is 100% factory tested before shipping. Electrical parts are non-returnable. Reference image before ordering. Cross-reference OEM Part Numbers: 4SH-85540-00-00, 4KB-85540-30-00, F8T32372, F8T32374, 20-5360.
- SKU
- 44-465.DR
- Brand
- Dirt Racing
- Availability
- In Stock (5)
- General Product Group
- Ignition & Electrical Parts
- General Product Type
- CDI Box
- Variant Id
- 242100
FULL DESCRIPTION
Direct Replacement CDI Module for Yamaha ATVs
This CDI module is engineered as a direct OEM replacement for select Yamaha Big Bear, Kodiak, and Timberwolf utility ATVs. It ensures precise ignition timing and maintains the original factory timing curves for optimal engine performance. Designed for straightforward installation, this unit offers reliable ignition control, essential for the consistent operation of your ATV.
Key Features:
- Plug-and-Play Installation: Designed for a simple, direct connection without modifications.
- Factory Timing Curve: Retains the original ignition timing specifications for your vehicle.
- High-Grade Components: Constructed using premium Japanese electronic components for enhanced durability and performance.
- Superior Quality: Exceeds OEM equipment quality standards, offering a robust and long-lasting solution.
- Power Load Management: Engineered to effectively handle increased power loads, ensuring consistent operation.
- OEM Appearance: Matches the original equipment's look and specifications for a seamless integration.
- 100% Factory Tested: Each unit undergoes rigorous testing to guarantee functionality before shipping.
Cross-Reference OEM Part Numbers:
- 4SH-85540-00-00
- 4KB-85540-30-00
- F8T32372
- F8T32374
- 20-5360
Important Notes:
- Electrical parts are non-returnable.
- Please review the reference image before ordering to confirm compatibility.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


