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Cylinder Head 22 25, 66mm for Yamaha X-Max, YZF, WR 125
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  • Cylinder Head 22 25, 66mm for Yamaha X-Max, YZF, WR 125

Cylinder Head 22/25, 66mm for Yamaha X-Max, YZF, WR 125

€507.25
€456.53 Save 10%
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Naraku Racing 4‑valve cylinder head, 66 mm combustion chamber, enlarged intake port, reinforced springs and 25/23 mm valves. Compatible with Yamaha X‑MAX, WR, YZF‑R125 and other 125cc models fitted with the YI‑3 engine. Jetting or fuel‑injection tuning required (e.g. Malossi Force Master). Compatible with NK600.76 cylinder.
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  • Looking for more displacement? Discover the Naraku Racing 4-valve cylinder head, designed for a 66 mm bore and combustion chamber.
  • Widened intake ports for improved flow, reinforced valve springs and larger valves (23 mm exhaust, 25 mm intake) to optimize performance.
  • Designed to be compatible with YI-3 engines: notably Yamaha X-MAX 125, WR 125, YZF-R 125 and other 125 cc models fitted with the same engine block.
  • Important note: jetting or the fuel injection system must be adjusted after installation (for example using a Malossi Force Master module) to properly tune fueling/engine management.
  • This cylinder head is compatible with the Naraku big bore cylinder part number NK600.76, which is also intended for a 66 mm bore.
  • Main technical specifications: 66 mm combustion chamber; intake valve diameter: 25 mm; exhaust valve diameter: 23 mm.
NARAKU
09300218
5 Items

Data sheet

Marque
NARAKU
Référence fournisseur
NK600.77
Nom du produit
Kit culasse
Unités
Kit
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