Malossi MHR 172 cylinder-crankshaft pack Gilera Runner 125 2t

Tuning kit Gilera Runner 172 2-stroke with Malossi cylinder and Stage6 crankshaft

Tuning pack with 172cc Malossi cylinder and Stage6 crankshaft with 52mm stroke for Gilera Runner 125 2-stroke. The components fit together perfectly and ensure optimum operation and maximum performance.

The engine pack for Gilera Runner, Italjet Dragster and Piaggio Hexagon 125cc 2-stroke consists of the following components:

Cylinder Gilera Runner 172 Malossi MHR

The Malossi MHR 172 cylinder for Gilera Runner has a displacement of 172cc. Torque is significantly improved and top speed is also increased thanks to the optimized port timing.

Please note that the Malossi MHR 172 cylinder head for Gilera Runner 125cc 2-stroke LC is supplied without a cylinder head cover! Just use the original cover.

Stage6 HPC crankshaft 52mm stroke / 105mm connecting rod Gilera Runner 125 2-stroke

The high-quality full-circle crankshaft has been lightened internally on the shoulder side; in combination with the copper counterbalance weights on the other side the crankshaft is perfectly balanced. The result: the engine runs smoothly over a wide range of applications and for all usages, whether for normal road us or for circuit and sprint racing. The crankshaft is equipped with a high-quality forged connecting rod with silver-forging finish to round off the high-quality design.

Crankshaft bearing Stage6 R/T steel cage Gilera Runner 125 2-stroke

The HQ bearings from NTN are suitable for very high speeds. Sufficient lubrication and proper installation of crankshaft and bearings are prerequisites for long bearing life.

After installing the new components in your Piaggio 125 scooter, you should run in the engine for about 150 km and use this phase to adjust the jet slightly.

Technical data tuning kit cylinder - crankshaft Gilera Runner 125cc 2-stroke :

• Engine type: 2-stroke
• Displacement: 172ccm
• For Piaggio / Gilera 125cc
• LC liquid-cooled
• Connecting rod: 105mm (original)
• Stroke: 52mm (original)
• Piston pin: 16mm
• Small end bearing: 16x20x20 mm
• 2x NTN bearings 25x68x12 mm, metal cage
• 2x FKM oil seals 24x35x7 mm