6P2-46241-02 Timing Belt for Yamaha F150 F200 F225 F250 LF150 LF200 LF225 LF250 | JLM Marine

Timing Belt for Yamaha F150 F200 F225 F250 LF150 LF200 LF225 LF250 Outboard Engines

This high-quality aftermarket timing belt is engineered to fit Yamaha 4-stroke outboard engines in the F150, F200, F225, F250, LF150, LF200, LF225, and LF250 series. Designed for reliable performance and durability, it ensures proper valve timing and engine synchronization across a wide range of model years from 2005 onward.

This timing belt directly replaces Yamaha OEM part number 6P2-46241-02-00 and Sierra aftermarket part number 18-15132, providing a cost-effective solution for routine maintenance and engine rebuilds.

• Precision-molded to OEM specifications for exact fit and function
• Suitable for valve train applications on Yamaha 4-stroke outboards
• Essential component for scheduled maintenance intervals

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Yamaha owners, here's a guide to help you identify your engine's serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

Technical Specifications

Package Contents

• 1 × Timing Belt (6P2-46241-02)

Installation Guide

1. Disconnect the battery and ensure the engine is completely cool before beginning work.
2. Remove the engine cowling and any components blocking access to the timing belt cover.
3. Rotate the crankshaft to align timing marks on the camshaft and crankshaft gears as specified in your service manual.
4. Remove the timing belt cover bolts and carefully lift off the cover.
5. Release tension on the timing belt by loosening the tensioner pulley bolt. Remove the old timing belt from the gears.
6. Inspect all pulleys, tensioners, and gears for wear or damage; replace if necessary.
7. Install the new timing belt by routing it around the crankshaft gear, camshaft gears, and tensioner pulley in the correct sequence.
8. Ensure the timing marks remain aligned throughout installation.
9. Apply proper tension to the belt using the tensioner mechanism per manufacturer specifications.
10. Rotate the crankshaft two full revolutions by hand and recheck all timing marks for accuracy.
11. Reinstall the timing belt cover, torque all fasteners to specification, and reassemble removed components.
12. Reconnect the battery, start the engine, and verify smooth operation without unusual noises.

Troubleshooting & FAQ

Q: How do I confirm this timing belt fits my Yamaha engine?
A: Cross-reference your engine model and year with the compatibility table above. You can also verify the OEM part number (6P2-46241-02) in your Yamaha service manual or by checking the Yamaha parts diagrams linked in the Compatible Engine Models section.

Q: How often should I replace the timing belt on my Yamaha outboard?
A: Yamaha typically recommends timing belt inspection every 1,000 hours or annually, with replacement every 2,000 hours or as specified in your engine's maintenance schedule. Always consult your owner's manual for exact intervals, as operating conditions may require more frequent replacement.

Q: What are the signs that my timing belt needs replacement?
A: Common warning signs include visible cracks, fraying, or glazing on the belt surface, unusual engine noise (whining or ticking), difficulty starting, rough idling, or loss of power. If you notice any of these symptoms, inspect the timing belt immediately to prevent potential engine damage.

Q: Can I install this timing belt myself, or do I need a professional?
A: While experienced mechanics with the proper tools and service manual may perform this replacement, timing belt installation requires precise alignment of timing marks and proper tensioning. Incorrect installation can lead to catastrophic engine damage, so professional installation is strongly recommended unless you have the necessary expertise.

Q: Is this an OEM or aftermarket timing belt?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.