ProX Crankshaft Seals for Yamaha YZ 250 1999-2000

The ProX crankshaft seals for Yamaha YZ 250 (1999–2000) are specially designed for a reliable engine overhaul. This seal kit provides precise oil sealing around the crankshaft during the rebuild, so the engine runs smoothly and reliably once again.

• Compatibility: Yamaha YZ 250 (1999–2000) – precision-matched for engine block overhaul.
• Kit Contents: Two crankshaft seals in one package for a complete overhaul.
• Part Category: Engine Block Overhaul – part of ProX’s high-quality engine overhaul parts.
• Condition: New – ready for immediate installation.
• Part Number: 42.2319 – easy to identify for inventory and ordering workflows.
• Brand Reputation: ProX – proven reliability and consistent fit for engine overhauls.

These crankshaft seals create a tight seal around the crankshaft, minimizing oil loss and preserving compression during break-in and post-maintenance. Thanks to the exact fit for the 1999–2000 YZ 250, you’ll get a reliable solution for engine block overhaul, with reduced risk of leaks and extended downtime. The combination of durable construction and targeted engineering makes this part a wise choice for both professional mechanics and enthusiastic DIYers seeking a long-lasting, professional engine overhaul.