Yamaha / MBK Genuine BWS 50 Handlebar Switch Case 4CU-H3987-01
Yamaha / MBK Genuine BWS 50 Handlebar Switch Case 4CU-H3987-01
Low stock: 2 left
Couldn't load pickup availability
Product Description
Yamaha Genuine factory upper handlebar switch housing cover (BOITIER SUP. DE COMMUTATEUR). Black molded protective casing engineered under the 4CU model prefix code specifically for exposed-bar 50cc scooters (BWS / Zuma / Booster series). Secures the handlebar switch mechanism and lever perch to the handlebar, complete with two factory mounting bolts. Manufactured in France by MBK Industrie under strict Yamaha OEM standards.
Vehicle Compatibility
Verified fitment for European 50cc 2-stroke scooter platforms with exposed handlebars:
| Make | Model | Chassis / Engine Variant | Model Years |
| Yamaha | BWS 50 / BWS Original | 49cc 2-Stroke AC (4CU / 3WW Series) | 1995–2003 |
| MBK | Booster 50 / Booster Road | 49cc 2-Stroke AC (4CU / 3WW Series) | 1995–2003 |
| Yamaha | BWS NG (Next Generation) | 49cc 2-Stroke AC (4VA Series) | 1997–2002 |
| MBK | Booster Track / NG | 49cc 2-Stroke AC (4VA Series) | 1997–2002 |
Fitment & Technical Details
Direct factory OEM replacement switch upper housing. Clamps over the exposed 22mm handlebar and mating lower switch housing, held in place using the two included Allen head fasteners. Ensure wiring harnesses are properly aligned inside the inner channels prior to tightening the screws to avoid pinching wires.
Important: Please ensure the part number matches your motorbike before purchasing. If you have any questions about the part or its compatibility, feel free to contact us. We’re here to help!
At Dmmotorcycles, we’ve specialized in vintage and vintage sports motorcycles and parts directly from Japan since 1998. We stock a wide selection of rare genuine and high-quality aftermarket parts and continually update our inventory to meet growing demand.
Looking for a specific part? Don’t hesitate to ask! We may have it in stock even if it’s not listed online. If not, we’ll do our best to source it for you.
We’re also happy to provide guidance on installation and offer excellent after-sales support to ensure your satisfaction.
Shipping Information
We ship worldwide, carefully inspecting and securely packing all parts to ensure safe delivery. Your order will be insured and shipped quickly, with the best available shipping option chosen for speed and reliability.
Please note:
- All parts are shipped from Cyprus (Europe).
- Customers outside the EU may incur additional import taxes based on the value of the item.
How we handle your order in 4 steps
-
1. Order Verification
We confirm the order and make sure the correct part number, quantity, and any special requests match what’s on the sales confirmation
-
2. Quality Check
Since our parts are new old stock we Inspect the parts for any defects, scratches, or missing components to ensure it meets quality standards. otherwise will notify you before proceeding with the order.
-
3. Safe and Secure packaging
- Protective Wrapping: We use bubble wrap or foam padding to wrap the part, focusing on sharp edges or delicate components.
- Boxing: We place the wrapped part inside a sturdy box, filling gaps with packing materials to prevent movement.
- Sealing and Labeling: Securely tape the box and attach the shipping label, including orientation-specific markers like "Fragile."
-
4. Finalizing of Shipment
We confirm the shipping address and contact details, give the package to the Post, keep the tracking number, and then send it to the customer along with the shipment notification.
