Yamaha XS1100 XS1100S XS850L Rear Master Cylinder Repair Kit - Replaces Yamaha OEM 2H7-W0042-00
Complete Your Build
Description
Yamaha XS1100 XS1100S XS850L Rear Master Cylinder Repair Kit - Replaces Yamaha OEM 2H7-W0042-00. This rear master-cylinder repair kit renews the hydraulic master cylinder’s internal seals and piston components.
Use when the rear master cylinder leaks, bypasses pressure, or has a worn piston/cup seal; inspect the bore before rebuilding.
Product Details
| Replaces Yamaha OEM | 2H7-W0042-00 |
|---|---|
| Position / side | Rear |
| Part type | rear master-cylinder repair kit |
| Sold as | a kit |
Fitment / Compatibility
Fits Yamaha:
- XS850L (1980)
- XS1100 (1978-81)
- XS1100S (1979-81)
Before Ordering
- Use OEM/reference 2H7-W0042-00 to confirm the correct application
- Confirm rear master-cylinder bore size, piston/cup seal style, reservoir type, and lever/control application
Fitment
Custom / Universal part
Check compatibility before ordering
Universal does not mean it fits every motorcycle. Compare the dimensions, mounting or connection details, and specifications in the description with your setup. Make sure this is the correct part for your intended use.
Selecting your bike does not confirm fitment for this item.
View product detailsCheck the listed model, year and any fitment notes in the description.
| Make | Model | Years |
|---|
No matching models in this list.
Shipping + Returns
Shipping & delivery
In-stock orders typically ship the same or next business day. Ground delivery is estimated at 3–8 business days to the USA and 2–6 business days within Canada after shipping.
Free ground shipping: USA orders of $50 USD or more; Canadian orders over $50 CAD.
View shipping options and details
Returns
Eligible unused, unaltered parts can be returned within 60 days of delivery, with original packaging. No restocking fees. Electrical parts are excluded.
