Description
Overview:
This Cylinder and Piston Assembly is a complete top-end kit for Partner/Husqvarna K650 cut-off saws. It replaces the worn cylinder barrel and piston to restore compression, starting and cutting performance. The cylinder is a robust aluminium alloy casting with a precision-machined bore, matched to a 50 mm piston for reliable sealing. The piston is supplied with steel piston rings, a gudgeon pin and circlips. Designed for busy site use, it helps return engines to dependable daily operation after scoring or general wear. It is a non-genuine aftermarket replacement, suitable for popular machines such as the K650 and K650 Active, and offers a practical alternative to OEM reference 506 09 92 12 when carrying out routine maintenance or a top-end rebuild.
Key Features:
- 50 mm matched piston and cylinder set to restore compression and power
- Durable aluminium alloy cylinder with steel piston rings for long service life
- Supplied with piston, rings, gudgeon pin and circlips for a straightforward rebuild
- Direct-fit design for Partner/Husqvarna K650 series cut-off saws
- Helps improve starting, idle stability and throttle response after wear
- Machined bore and porting for consistent performance and ring seating
- Can be installed with standard hand tools and workshop practices
- Practical, non-genuine alternative to OEM reference 506 09 92 12
- Suitable for routine maintenance, refurbishment and hire fleet turnarounds
- Supports reliable daily operation in demanding site environments
Typical Applications:
Used to refurbish two-stroke engines in construction-grade cut-off saws. Ideal after scoring, loss of compression, heavy hours or poor starting. Common in concrete, masonry and metal cutting work on building sites, road maintenance, utilities, landscaping, and hire fleets where consistent performance and quick turnaround are essential.
Also known as:
Cylinder kit, piston and barrel kit, top-end kit, top cylinder assembly, engine rebuild kit, top-end rebuild set, piston set with cylinder, cylinder barrel assembly.
Fits Models:
K650, K650 Active, K650 Mark II, K650 MkII, K650 Super, K650Active, K650MarkII, K650MkII, K650Super, MARKII, Mark II
Alternate Part Numbers:
E6008, 506 09 92 12
Product Specifications
| L&S Part No. | 650 012 |
|---|---|
| Unit of Sale | 1 |
| Size | 150mm x 120mm x 100mm |
| Applications | K650, K650 Active, K650 Mark II, K650 MkII, K650 Super, K650Active, K650MarkII, K650MkII, K650Super, MARKII, Mark II |
| Machine Type | Disc Cutters |
| Fits Brands | Husqvarna |
| Fits Models | K650 Super, Mark II |
