YP100 Full Set of Oil Seal
- Brand: Mortch Motor
- Product Code: MIYP100-5073
- Product Viewed: 263
- Availability: Pre-Order 1-2 Weeks🔔
- Weight: 0.05kg
US$2.42 5 SOLD
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🔧 Yamaha 100 Complete Seal Set
📦 Part Number: MIYP100-5073
⚙️ OEM Quality · Complete Engine & Chassis Shaft Seals
📍 Installation Position: Engine Interior · Transmission · Wheel Axles · Steering Stem
✅ Oil-Resistant Rubber · Precision Fit · Leak-Proof · Complete Replacement Set
This product is a Yamaha 100 Complete Seal Set, part number MIYP100-5073. The set includes most of the engine and chassis joint shaft sealing rings, manufactured to OEM quality standards. It is the ideal choice for engine overhauls, transmission repairs, or full vehicle restoration projects.
Seals are critical components that prevent oil leakage and block moisture and dust ingress. As vehicles age, seals degrade due to heat, wear, and chemical exposure, leading to oil leaks, unusual noises, and power loss. This complete set provides a full replacement solution, addressing all potential seal-related issues at once and restoring your vehicle's sealing performance to factory specifications.
✅ OEM Quality Assurance: Manufactured from high-quality oil-resistant rubber materials, with dimensions and tolerances strictly following original specifications. Guaranteed perfect fit for Yamaha 100 series vehicles, providing reliable and durable sealing performance.
This Complete Seal Set (MIYP100-5073) is compatible with the following Yamaha 100 series models:
- Yamaha Y100 · 2-Stroke (1998-2006)
- Yamaha Y100 · 4-Stroke (2005-2012)
- Yamaha YBR100 · Urban Commuter (2000-2008)
- Yamaha YZ100 · Off-Road (1995-2005)
- Yamaha DT100 · Enduro (1998-2004)
📌 Fitment Note: This set covers crankshaft seals, transmission input/output shaft seals, wheel bearing seals, and steering stem seals for Yamaha 100 series. Please refer to the instruction sheet inside the package for the complete seal list. If your specific model is not listed, please contact us with your VIN for compatibility verification.
- 🔒 Complete Coverage: Includes all major engine and chassis shaft seals, addressing every potential leak point.
- 🧪 OEM Quality Materials: Oil-resistant NBR rubber with FKM (Viton) used in critical high-temperature areas for superior durability.
- 📐 Precision Dimensions: Manufactured to original factory drawings with tolerances within ±0.1mm for I.D., O.D., and thickness.
- 🛡️ Dual-Lip Design: Primary lip seals oil while secondary lip blocks dust and contaminants — double protection.
- 🔄 Easy Installation: Includes assembly lubricant; proper installation ensures reliable sealing.
• Oil stains or wet spots beneath the engine or transmission area.
• White smoke from the crankcase breather or abnormal oil consumption.
• Grease seepage around wheel bearing areas.
• Unusual noise or stiffness when turning the steering stem.
• During engine overhaul or transmission repair, seals should be replaced proactively.
Replacing aged seals promptly prevents oil starvation and protects components from premature wear.
1. When removing old seals, avoid scratching the mounting bore surfaces.
2. Clean the mounting area thoroughly — ensure no burrs, debris, or oil residue.
3. Apply a thin layer of sealant to the outer edge of the new seal and lubricant to the inner lip.
4. Use a proper installation tool or socket to press the seal evenly until flush with the bore face.
5. When installing shafts, take care not to damage the seal lip.
Professional installation by a qualified technician is strongly recommended. Improper installation may cause seal damage or leakage.
- Please verify that this part fits your specific vehicle model and year. Many vehicles share similar names but use different components depending on year or market region.
- We strongly recommend cross-checking with your vehicle's owner's manual or contacting us for confirmation before placing your order.
- Product images, measurements, and descriptions are for reference only. Slight variations in color or appearance may occur due to manufacturing batches or photography lighting—functional specifications remain identical to the ordered part.
- Professional installation is mandatory. Mortch Motor assumes no liability for damages, injuries, or losses resulting from improper installation, misuse, unauthorized modification, or abnormal operation.
- All listed prices EXCLUDE shipping costs, import duties, taxes, and customs clearance fees. These charges (if applicable) are determined and collected by your local customs authority and are solely the buyer's responsibility.
- In case of return due to unpaid duties/taxes or refusal to clear customs, the buyer shall bear the original shipping cost, return shipping fees, and any associated administrative charges deducted from the refund.


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