Metzeler ME888 Marathon Ultra 180/65B16 Rear Tire User Manual

1. Introduction

This manual provides essential information for the proper installation, use, and maintenance of your Metzeler ME888 Marathon Ultra 180/65B16 Rear Tire. Adhering to these guidelines will ensure optimal performance, longevity, and safety. Please read this manual thoroughly before using the product.

2. Safety Information

Motorcycle tires are critical components for vehicle safety. Incorrect installation, maintenance, or usage can lead to serious accidents. Always prioritize safety.

• Professional Installation: Tire installation should always be performed by a qualified professional using appropriate tools and techniques.
• Correct Tire Pressure: Maintain the tire pressure recommended by your motorcycle manufacturer. Check pressure regularly, especially before long rides.
• Load Capacity: Do not exceed the maximum load capacity specified on the tire sidewall.
• Speed Rating: Do not exceed the maximum speed rating of the tire.
• Tire Inspection: Regularly inspect tires for cuts, punctures, bulges, or excessive wear. Replace damaged tires immediately.
• Break-in Period: New tires require a break-in period of approximately 100 miles (160 km) to allow the tire surface to scuff in and achieve optimal grip. Avoid aggressive acceleration, braking, and cornering during this period.

3. Product Overview

The Metzeler ME888 Marathon Ultra is a high-mileage, high-performance rear motorcycle tire specifically engineered for touring motorcycles. Its design focuses on durability, stability, and wet weather performance.

An image showing the Metzeler ME888 Marathon Ultra rear motorcycle tire, highlighting its tread pattern and sidewall markings. The tire is mounted on a wheel, showcasing its design and construction.

Key Features:

• High Mileage: Engineered for extended tread life, ideal for touring applications.
• Steel Radial Belt Construction: Features a single ply of steel cords wrapped around a radial carcass, providing exceptional high-speed stability and uniform heat distribution.
• Enhanced Wet Performance: Redesigned tread patterns facilitate better water drainage, improving grip in wet conditions.
• Consistent Performance: Advanced technology ensures stable performance throughout the tire's lifespan.
• Smooth Handling: Offers outstanding high and low-speed stability for a comfortable and confident ride.

4. Setup (Installation)

Proper installation is crucial for tire performance and safety. It is strongly recommended that tire installation be performed by a certified motorcycle technician.

Installation Guidelines:

1. Compatibility Check: Ensure the tire size (180/65B16) and specifications match your motorcycle manufacturer's recommendations for the rear wheel.
2. New Valve Stem: Always install a new valve stem when replacing a tire to prevent air leaks.
3. Mounting Direction: Observe the rotation arrow on the tire sidewall and mount the tire in the correct direction.
4. Lubrication: Use appropriate tire mounting lubricant to prevent damage during installation.
5. Bead Seating: Ensure both tire beads are fully seated on the rim. This may require specific inflation procedures.
6. Balancing: After mounting, the tire and wheel assembly must be dynamically balanced to prevent vibrations and uneven wear.
7. Initial Inflation: Inflate the tire to the pressure specified by your motorcycle manufacturer, not the maximum pressure listed on the tire sidewall.

5. Operating (Usage)

To maximize the life and performance of your Metzeler ME888 Marathon Ultra tire, follow these usage recommendations:

• Break-in Period: As mentioned in the safety section, new tires require a break-in period. Ride conservatively for the first 100 miles (160 km).
• Tire Pressure: Regularly check and adjust tire pressure according to your motorcycle's owner's manual. Incorrect pressure can lead to premature wear, reduced handling, and increased risk of failure.
• Load Distribution: Distribute luggage and passenger weight evenly and within the motorcycle's and tire's specified load limits.
• Riding Conditions: Adjust your riding style to suit road conditions, weather, and tire temperature.
• Avoid Overloading: Never exceed the maximum load capacity indicated on the tire sidewall.

6. Maintenance

Regular maintenance is essential for the safety and longevity of your tire.

• Tire Pressure: Check tire pressure at least once a week and before every long trip, using an accurate pressure gauge. Check when tires are cold.
• Tread Depth: Monitor tread depth regularly. Replace the tire when the tread reaches the minimum legal limit (typically 1/32 inch or 0.8 mm in the main grooves) or when the Tread Wear Indicators (TWIs) become flush with the tread surface.
• Visual Inspection: Inspect the tire for any signs of damage, such as cuts, cracks, bulges, punctures, or embedded foreign objects. Pay attention to the sidewalls and tread area.
• Cleaning: Clean tires with mild soap and water. Avoid harsh chemicals or petroleum-based products that can degrade rubber.
• Storage: If storing the motorcycle for an extended period, ensure tires are off the ground, clean, and stored in a cool, dry place away from direct sunlight and ozone-generating equipment.

7. Troubleshooting

Addressing common tire issues promptly can prevent further damage and ensure safety.

Common Issues and Solutions:

• Rapid or Uneven Wear:
  • Cause: Incorrect tire pressure, improper wheel alignment, worn suspension components, aggressive riding style, or improper balancing.
  • Solution: Check and adjust tire pressure, have wheel alignment and balancing inspected by a professional, and inspect suspension.
• Vibrations or Wobbling:
  • Cause: Unbalanced wheel, damaged tire, bent rim, or loose wheel bearings.
  • Solution: Have the wheel balanced, inspect the tire and rim for damage, and check wheel bearings.
• Loss of Air Pressure:
  • Cause: Puncture, faulty valve stem, damaged rim, or improper bead seating.
  • Solution: Inspect the tire for punctures, check the valve stem, and have a professional inspect the rim and bead seating.
• Bulges or Blisters on Sidewall:
  • Cause: Internal damage to the tire structure, often from impact.
  • Solution: This indicates a severely damaged tire. Replace immediately. Do not ride on a tire with bulges.

For any issues not covered here, or if you are unsure about a problem, consult a professional motorcycle tire specialist.

8. Specifications

Detailed specifications for the Metzeler ME888 Marathon Ultra 180/65B16 Rear Tire (Part Number: 2318700).

9. Warranty and Support

For information regarding the product warranty, terms, and conditions, please refer to the official Metzeler website or contact Metzeler customer support directly. Keep your purchase receipt as proof of purchase.

For technical assistance or specific inquiries not covered in this manual, please contact Metzeler customer service or your authorized Metzeler dealer.