TOPPE MAXI KIT IRON D.50 86CC DERBI D50B 1127337

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<p>This new “MAXI KIT” represents a further technical and performance evolution for those who want to increase their engine’s power. It has been created by combining the Ø 50 piston cylinder assy with disassembled head with a special connecting rod assy with solid plates, 44 mm stroke and specifi c balance, thus obtaining a full displacement of 86 cc.</p>
<p>The main characteristic of this kit is the high torque value it develops, ensuring acceleration, pick-up and driveability never experienced before.</p>
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<p>CYLINDER SPECIFICATIONS</p>
<ul>
<li>Bore&nbsp; 50 mm</li>
<li>Stroke&nbsp; 44 mm</li>
<li>Displacement&nbsp; 86.35 cm3</li>
<li>Squish&nbsp; 0.9-1.1 mm</li>
<li>Compression ratio Geometric 14:1</li>
<li>Compression ratio Effective 8.4:1</li>
<li>Distribution diagram Exhaust 192°</li>
<li>Distribution diagram Transfers 192°</li>
<li>Recommended spark advance: 16° (1 mm before of TDC)</li>
</ul>

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