Cylinder Polisher 25-57mm - Professional Motorcycle Kit

Specialized tool for cylinder reconditioning in small diameter engines (25-57mm), compatible with:
• Motorcycle cylinders (50cc to 600cc)
• Lawnmower engines
• Pneumatic compressors

⚙️ Engineering Specifications:

• Diameter Range: 25mm - 57mm (progressive adjustment)

• Transmission: High torsion flexible shaft (carbon steel core)

• Maximum Rotations: 2,400 RPM (ideal for precision honing)

• Connection: Universal adapter for drills (1/2")
  ▸ Compatible with pneumatic systems (90-120 PSI)
  ▸ Electric operation (600W minimum recommended)

• Adjustable Pressure: Calibrated spring system (3 levels)

• Total Length: 210mm (access to deep cylinders)

📦 Complete Kit Contents:

1. Main body with expanding mandrel

2. 3 abrasive stones, grit 220 (trapezoidal shape)

3. Hex adjustment wrench

4. Illustrated technical manual

✅ Professional Benefits:
✔ Uniform Burnishing - Prepares surfaces for new layer of nikasil
✔ Automatic Alignment - Flexible shaft compensates for eccentricities
✔ Bimodal Operation - Use with drill or pneumatic system
✔ Preventive maintenance - Eliminates scratches and ovalizations

🛠️ Recommended Work Protocol:

1. Pre-sanding the cylinder with 400# diamond paste

2. Adjust polisher to exact diameter (tolerance ±0.05mm)

3. Apply rectifier oil during operation

4. Ideal speed: 1,800-2,000 RPM

⚠️ Security Data:
• Always use PPE (glasses, anti-vibration gloves)
• Max. 30 seconds of continuous operation per section
• Cool with SAE 20W50 oil during process

🔍 Wear Parts (Available Separately):

• Abrasive stones grit 180/220/320 (Ref. 56247-XX)

• Repair kit for flexible shaft

📊 Proven Technical Parameters:
• Average service life: 50-60 cylinders (under normal conditions)
• Removal rate: 0.03-0.05mm/pass (cast steel)
• Compatible with: Cast iron, nikasil and ceramic coatings

🏭 Typical Applications:

• Preparation of 2T/4T engines for overhaul

• Removal of carbonization in diesel cylinders

• Final finishing after machining

🛒 Commercial Information:
• Net weight: 680g
• Warranty: 12 months (except abrasive stones)
• Standards: EN 792-3 (rotary tools)