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La hauteur des boosters auxiliaires soit de 190°
Installer si besoin un ou plusieurs radiateurs grand volume. La température
de fonctionnement idéale doit être compris entre 45 et 55°C
Ce groupe thermique a été développé avec les pièces suivantes :
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Echappement Racing Factory - Ref 150 00 787
Clapet VForce 3i HONDA CR85 – Ref 137 00 870
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Tubulure d'admission HONDA CR85
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Carburateur Type PWK Ø32mm
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Allumage Racing Factory Ref 140 00 350 ( Calage 6.2mm Av PMH)
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Bougie NGK R6252 E105
Do not shorten the piston skirts in any way: this would cause the crankshaft to
be unbalanced and therefore, would cause important vibrations, and a high
wear of the piston due to improper guiding.
Do not touch the oval section of the exhaust outlet. Modifying it in a
circular section, to connect it to an exhaust flange, for example, would result
in a significant decrease in performance.
When running with a squish value, less or equal to 0.60mm, we recommend
you to use higher exhaust distribution, raising the exhaust ports, so that:
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The maximal height of the main exhaust duct is 195 °
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The height of the auxiliary boosters ducts is 190 °
If necessary, install one or more large volume radiators. The ideal operating
temperature must be between 45 and 55 °C
This thermal group has been developed with the following parts:
• Racing Factory Exhaust - Ref 150 00 787
• Reed Valve VForce 3i HONDA CR85 - Ref 137 00 870
• Intake manifold HONDA CR85
• Carburettor Type PWK Ø32mm
• Racing Factory Ignition Ref 140 00 350 or 140 00 380 (Timing 6.2mm BTDC)
• Spark plug NGK R6252 E105
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