TRW Clutch Discs - 738.85.49
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Product Information
Full details
The TRW MCC435 clutch disc kit is engineered for motorcycle enthusiasts and mechanics looking for reliable, high-performance power transfer. Designed with seven precision-engineered friction discs, this kit offers rapid response and consistent engagement across a variety of riding conditions, making it an ideal choice for riders who demand durability. While the kit provides excellent robustness under intense stress, users should ensure their specific clutch basket is free of wear to maximize the longevity of these high-quality replacement parts.
All features
| Model Part Number | 738.85.49 |
|---|---|
| Brand | TRW |
Extended Product Information
FAQs
Does this kit include the metal drive plates?
No, this kit includes 7 friction discs only. You will need to reuse or purchase new steel drive plates separately.
Do I need to soak these in oil before installation?
Yes, it is highly recommended to soak the friction discs in clean engine oil to prevent dry-start burning and ensure smooth operation.
What is the thickness of these discs?
Each friction disc in the TRW 738.85.49 kit measures 3 mm in thickness.
Can I use these for track or racing conditions?
These discs are engineered for high performance and durability, making them suitable for demanding riding, but always follow your motorcycle's specific service manual for intended use.
How do I know if I need new clutch discs?
Signs include slipping during acceleration, difficulty finding neutral, or a 'spongy' feel at the clutch lever that persists after adjusting cable tension.
Troubleshooting
Clutch slipping after installation
Check your clutch cable adjustment to ensure there is enough free-play and that the clutch is not being partially engaged by tension.
Clutch feels 'grabby' or inconsistent
Inspect the clutch basket for ridges or notches and check the condition of the steel drive plates, which may need to be replaced if warped or heat-spotted.
Difficulty shifting gears
Verify the total stack height of your friction and steel plates against the manufacturer's specifications to ensure the assembly is not too thick or thin.
Pros and Cons
Pros
- High-quality friction material for consistent performance
- Durability under high-stress riding conditions
- Precise dimensions for reliable fitment
- Improves clutch engagement response
Cons
- Requires professional mechanical knowledge for installation
- Does not include steel drive plates
- May require clutch soak time before installation
Setup, Compatibility & Care
Proper installation is vital for optimal performance. Before installing, it is standard practice to soak the new friction discs in clean, manufacturer-recommended engine oil for at least 30 minutes to ensure they are fully saturated. Ensure your clutch basket fingers are free of 'notching' or deep grooves, as these imperfections can prevent the new discs from moving freely, leading to poor performance. Check your motorcycle's service manual for specific torque settings on the clutch spring bolts to avoid over-tightening. Periodic maintenance involves checking the clutch cable free-play regularly to ensure the clutch remains fully disengaged when the lever is pulled.