Prox 23x35x7mm Crankshaft oil sealsYAMAHA 50 PW 50 - 1988 - 2026Ref : PRO00099A / 1017332

PROX crankshaft oil seal in the size 23x35x7 mm, manufacturer reference 41.2-23174. Designed for the motocross universe, this seal follows the standard dimensions of small engines and is aimed at riders who are concerned about reliable sealing during an engine overhaul or replacement due to leakage.

• Dimensions: 23 x 35 x 7 mm
• Reference: 41.2-23174
• Brand: PROX
• Manufactured in the USA

The oil seal ensures sealing between the crankshaft and the casing to limit oil loss and protect the intake ports from impurities. Ideal for common maintenance operations — replacement during engine disassembly or prevention after detecting a seep — it fits into standard procedures for restoring a crankshaft.

Common compatibilities (examples):

• YAMAHA PW 50 (2024 - 50 cc)
• YAMAHA PW 50 (2025 - 50 cc)
• YAMAHA PW 50 (2026 - 50 cc)

Before installation, check the size and condition of the seal holder. For a lasting result, clean the seating area, check the alignment of the crankshaft, and lightly lubricate the lip of the seal at the time of installation.