<p>Since right from the very start, Stage6 are committed to develop performance-enhancing tuning parts and don't shy away from tackling new tasks. They are getting into the market for geared mopeds / supermotos now, this is a tuning pack for Derbi Euro 2: <strong>Tuning Kit cylinder + crankshaft Stage6 BigRacing 77cc Derbi Euro 2</strong>.</p> <p>Includes:</p> <ul> <li><a href="/de/kaufen/zylinder-kit-stage6-big-racing-77ccm-aluminium-derbi-euro-2-67891" target="_blank" rel="noopener">77cc cylinder, aluminium, 50mm bore, with 5 transfer ports and 32mm bridged exhaust port</a></li> <li>1-ring Vertex piston, d. 50mm</li> <li>High compression cylinder head, monobloc, aluminium</li> <li>Gasket set (base and head gaskets)</li> <li><a href="/de/kaufen/kurbelwelle-stage6-hpc-derbi-euro2-ebe-22219" target="_blank" rel="noopener">HPC crankshaft original stroke 12mm piston pin</a></li> <li><a href="/de/kaufen/kurbelwellenlager-set-stage6-r-t-c3-polymer-kaefig-derbi-245533" target="_blank" rel="noopener">Crankshaft bearings and oil seals SKF C3 polymer cages</a></li> </ul> <p>The cylinder features a rather basic and inconspicuous exterior, but we all know that appearances can be deceptive. We're talking genuine "Big Bore" here – cylinder layout is not based on a modified standard model that was milled open to create a bigger bore, but was designed as a Big Bore right from the start, with matching transfer ports and a bridged exhaust port big enough to support the excess performance.</p> <p>The BigRacing cylinders impress with <strong>ease of installation</strong>, <strong>outstanding performance</strong>, and <strong>high reliability</strong>. </p> <p><br>- Installation is very easy, crankcase milling or any other modification are not necessary. Squish clearance is pre-set to a value optimized for the respective engine type. <br>- In terms of output, the BigRacing cylinders knock it out of the ballpark: we measured a whopping <strong>23 PS</strong> and <strong>13 Nm</strong> on our P4 test bench using a standard set-up (24mm carburetor, original ignition, racing exhaust etc.). <br>- Port timings are relatively low, cooling system volume is quite large and the piston is a top quality Vertex piston. All of these factors contribute to the cylinder's high dependability and robustness, provided that set-up and adjustments are appropriate. </p> <p>The exterior is a replica of the original cylinder with a 49cc stamp; don't worry, this is definitely a 77cc cylinder!</p> <p><strong>Attention</strong>: For the assembly of this cylinder kit, you have to use longer stud bolts (M7x120mm).</p> <p><strong>Not road-legal.</strong></p>
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