Rinlius Recoil Starter Assembly 4140 190 4009 for Stihl FS45/FS55 — Preassembled, Durable Replacement

Rinlius Recoil Starter Assembly 4140 190 4009 is a replacement pull-start unit engineered to restore reliable starting to compatible Stihl FS and KM series trimmers and hedge tools.

If your Stihl brushcutter, kombi engine or long-reach trimmer has a worn or broken starter pulley, this aftermarket Rinlius assembly offers a direct-fit replacement for many common models. It’s supplied as a single complete unit that replaces the original OEM part number 4140 190 4009 and is intended for quick swap-in installation so you can get back to trimming and edging with minimal downtime.

Which Stihl models will this starter assembly fit?

This assembly is compatible with a wide range of Stihl two-stroke garden tools, including FS, KM and HL series handled units. Confirm fit by matching your machine model and the original OEM part number.

• Fits FS models: FC55, FS38, FS45, FS45L, FS46, FS55, FS55C, FS55R, FS55T
• Fits KM models: KM55, KM55C, KM55R, KM55RC
• Also fits HL45 long-reach hedgetrimmers and similar brushcutters
• Replaces OEM part number: 4140 190 4009

How easy is it to install the Rinlius pull start?

Installation is straightforward for anyone with basic small-engine repair experience and common hand tools. The replacement is a single assembled unit, which reduces disassembly steps compared with piecing together individual starter components.

• Comes as one complete recoil starter assembly ready to mount
• Requires removal of the old starter cover and bolts, then refit of new unit
• No need to rewind springs or re-thread rope when properly installed
• Follow your machine manual or service guide for torque and alignment

What performance and durability features should I expect?

The aftermarket unit is made to meet common wear points on pull-start systems, aiming to deliver consistent rope retraction and reliable pulley engagement. While not an OEM part, it’s manufactured as a high-quality replacement to extend the working life of your tool.

• Durable housing and pulley materials to resist cracking and wear
• Precision fit to engage the engine’s starter mechanism cleanly
• Pre-assembled rope and handle for immediate use
• Suitable for regular homeowner and light professional use

Who this replacement is for: If you own one of the listed Stihl models and are experiencing a frayed rope, failed recoil spring, slipping starter pawls, or a cracked starter housing, the Rinlius 4140 190 4009 assembly is a practical, cost-effective repair option. It’s aimed at DIYers, maintenance technicians and small landscaping businesses that need a dependable aftermarket swap without sourcing scarce OEM stock. Always verify model compatibility and consult your tool’s service instructions before starting repairs.