Naraku 09210828 Crankshaft bearing and seal kitRef : NARK00119A / 09210828

Reference: NK100.80 — Brand: NARAKU

Naraku HD (Heavy Duty) crankshaft main bearing kit designed for engine replacement and refurbishment. This kit includes both crankshaft bearings (left and right) in a metal cage as well as the associated shaft seals, for a clean and complete installation when working on the crankshaft.

• Type: crankshaft main bearing set
• Components: left & right metal cage bearings + shaft seals
• Bearing quality: only C3 clearance bearings supplied by NTN or KOYO
• Range: Naraku HD (Heavy Duty)

This kit is aimed at motorcyclists working on 50 cm³ engines and workshops wishing to completely replace the sealing and guiding elements of the crankshaft. It is particularly suitable for Vintage/Classic, Trail/Adventure, Enduro, Urban, Roadster, Sport/Racing, and Supermoto environments.

Common compatibility: 50 cm³ models such as BETA RR 50 Motard X Special Edition (2025), RIEJU MRT 50 SM PRO (2022) or FANTIC CABALLERO 50 M Motard Performance (2020).

Workshop advice: when replacing the crankshaft, always replace bearings and seals with new parts to ensure proper installation and limit abnormal clearances.