Naraku 09210816 Crankshaft bearing and seal kitRef : NARK00282A / 09210816

Reference: NK100.67 — Brand: NARAKU

NARAKU HD crankshaft bearing kit, designed for urban environments and lightweight roadsters. This set includes the left and right main bearings with a metal cage as well as the necessary shaft seals for reassembling the crankshaft. The supplied bearings are C3 clearance models (manufacturers NTN or KOYO), suitable for thermal variations and typical loads of 50 cm3 engines.

• Contents: left bearing + right bearing (metal cage) and corresponding shaft seals
• Type: Heavy Duty (HD)
• Clearance: C3 (NTN / KOYO)
• Category: Crankshafts + Parts

Ideal for the maintenance or rebuilding of small scooter/roadster engines: Piaggio NRG DD 50, Aprilia SR 50, Vespa Sprint 50 (compatibility examples). When replacing the crankshaft, it is recommended to systematically install new bearings and seals to ensure a clean assembly and limit the risk of premature wear.

For secure installation, ensure you have the appropriate tools (press or extraction/installation kit, alignment checks) and adhere to the manufacturer's torque specifications. Product sold as a ready-to-install kit.