Naraku 09310983 Cylinder-piston kitRef : NARK00137A / 09310983

Manufacturer reference: NK600.52 — NARAKU 150 cm³ cylinder kit (Ø 57.4 mm) designed for GY6 and Kymco AC engines. This cylinder kit serves as a cost-effective solution to replace a defective original cylinder while maintaining comparable performance to that of the original equipment manufacturer for 150 cm³ engines.

• Contents: complete cylinder kit delivered with all gaskets and small parts necessary for assembly.
• Bore: 57.4 mm (150 cm³).
• Compatibility: suitable for GY6 and Kymco AC 150 cm³ engines; can also be used to enhance the performance of GY6 125 cm³ and Kymco AC engines (depending on engine configuration).
• Cost-effective replacement: reliable alternative for a sleeve/cylinder exchange without using the original part.

Installation advice: for SYM 125 cm³ scooters, ensure that your engine is indeed the GY6 version: bolt hole spacing = 63 mm (outside to outside). No other technical details are provided by the manufacturer.

Mainly urban use — ideal for restoring compression and engine performance on city machines. Examples of models often equipped: REX RS1000 125 (2018), SYM Symphony 150 S (AY15) (2016) and KYMCO Super 8 125 (2016).