Vertex Water Pump Rebuild Kit 821483 — Kawasaki KX80 / KX85 / KX100 / Suzuki RM100 1986-2025

Vertex Water Pump Rebuild Kit 821483 — Kawasaki / Suzuki 1986-2025

Product Description

Is your bike running hot, or are you noticing coolant weeping from the weep hole? A failing water pump can lead to catastrophic engine overheating. The Vertex Water Pump Rebuild Kit provides a complete solution to restore your cooling system to factory-fresh performance.

This all-inclusive kit is engineered for reliability, containing every essential component needed for a full overhaul, including high-quality bearings, mechanical seals, rubber seals, gaskets, snap rings, and copper drain washers. By replacing all wear items at once, you ensure optimal coolant flow and engine protection for your next race or trail ride.

Top Features: Vertex Water Pump Rebuild Kit

• Complete kit includes all necessary bearings, seals, and gaskets for a total overhaul
• Includes mechanical water pump seals, snap rings, and copper washers
• Restores factory cooling efficiency and prevents coolant leaks
• Precision-engineered components designed for long-lasting durability in high-RPM 2-stroke engines

Please review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Sub-Model
2022-2025	Kawasaki	KX112
2010	Kawasaki	KX100
2003	Suzuki	RM100
2001-2025	Kawasaki	KX85
2001-2019	Kawasaki	KX85 BW
1995-2009, 2011-2021	Kawasaki	KX100
1992-1994	Kawasaki	KX80 Big Wheel
1986-2000	Kawasaki	KX80

Frequently Asked Questions

Q: How do I know if my water pump needs a rebuild?
A: Common signs include coolant leaking from the weep hole on the engine case, a high-pitched grinding noise, or the engine consistently running hotter than usual.

Q: Is it difficult to install this kit?
A: It requires some mechanical aptitude. You will need to drain the coolant, remove the water pump cover, and potentially press in new bearings or seals. Always have your service manual handy for torque specs and orientation.

Expert Pro-Tip: When installing the new mechanical seal, ensure it is seated perfectly square. If you push it in crooked, it will never seal correctly. Use a socket that matches the outer diameter of the seal to gently press it into place to avoid damaging the ceramic sealing surface.

Recommended Pairings:
• Kawasaki KX85 Performance Parts & Upgrades
• Kawasaki 2-Stroke Performance Parts
• Premium Motorcycle Chemicals & Coolant

At Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. Every order ships fast from our Central Florida location.

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