The Wacker Neuson Lever Release Spring is a genuine OEM component designed for the BTS series gasoline cut-off saws, including the BTS 630, BTS 635, BTS 635S, BTS 930, BTS 935, BTS 1030, BTS 1035, and BTS 1140 L3 power cutters. As a direct factory replacement, this spring is manufactured to the same specification as the original part installed at the factory. Verified fitment spans the full BTS lineup, making the the correct choice whether you are servicing a compact BTS 630 or a larger BTS 1140 L3.
Key Features
- Genuine OEM Spring Tension: — Manufactured to the exact load and coil specification of the original, ensuring the lever releases and returns with the correct force every time.
- Drop-In Replacement: — Matches the original mounting points and hook geometry on all covered BTS models, so installation requires no modification to the lever assembly.
- Broad BTS Series Fitment: — Compatible with BTS 630, 635, 635S, 930, 935, 1030, 1035, 1035 L3, and 1140 L3 cut-off saws across multiple machine configurations and arbor sizes.
- Consistent Lever Engagement: — A correctly tensioned release spring keeps the blade guard and throttle lever operating smoothly, preventing sluggish or erratic control response under load.
- Throttle and Guard Safety Compliance: — The lever release spring is integral to the saw's throttle lockout and blade guard mechanism; using the correct OEM part ensures these safety-critical functions operate as designed.
- Genuine Wacker Neuson Part: — Supplied under OEM part number 5000125771, sourced directly from the Wacker Neuson parts network for assured authenticity.
The lever release spring provides the return tension that resets the throttle lever or blade guard lever to its resting position after each activation. Without adequate spring tension, the lever may stick in the engaged position or fail to return fully, leading to uncontrolled throttle behavior or an improperly seated blade guard. Replacing a worn or broken spring restores crisp, predictable lever action and ensures the saw's safety interlocks function as intended on every cut.
Part Details
| Part Number | 5000125771 |
|---|---|
| Old Part Number | 0125771 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lever Release Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cut-off saw BTS 635 | BTS 635 | 5000610190, 5000610191 |
| Cut-off saw BTS630 | BTS 630 | 5000610186, 5000610187 |
| Cut-off Saw BTS 635S | BTS 635S | 5000610192, 5000610193, 5000610407 |
| Power Cutter BTS 1035 L3 | BTS 1035 L3 | 5000008912, 5000008990, 5000610076, 5000610182 |
| Cut-Off Saws | BTS 1030 L3 | 5000008989, 5000610075 |
| Cut-Off Saws | BTS 930 L3 | 5000008987, 5000610073 |
| Cut-Off Saws | BTS 935 L3 | 5000008988, 5000610074 |
| Cut-off Saw with 20mm Arbor | BTS 930 | 5000008340 |
| Cut-off Saw with 1in Arbor | BTS 935 | 5000008341 |
| Cut-off Saw with 1in Arbor | BTS 1035 | 5000007975 |
| Cut-off Saw with 20mm Arbor | BTS 1030 | 5000008339 |
| BTS 1140L3 SAW | BTS 1140 L3 | 5000610063, 5000610078 |
| Floor Saw BTS 630S | BTS 630S | 5000610406 |
| BTS635s | BTS635s | 5100005408 |
| BTS635S Cut-off Saw | BTS 635s | 5100005409, 5100005411 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
