Oversized Water Pump Impeller Cooler Spacer Kit for Honda CRF 250R/RX 2018-2025

Water pump cooling kits are an effective way to reduce the engine temperature of off-road motorcycles, long-distance racing motorcycles, or supermoto bikes. These kits typically include larger aluminum impellers that increase coolant circulation, thereby improving heat dissipation efficiency. By enhancing the efficiency and circulation capacity of the water pump, these kits can effectively lower engine temperature under high heat or heavy load, reduce overheating issues, and improve engine performance and reliability.

Features:

• Improved heat dissipation efficiency – By increasing coolant circulation, the engine can dissipate heat faster and reduce temperature.
• Reduced risk of overheating – Especially in high-temperature environments or under heavy load, water pump cooling kits can effectively lower the risk of engine overheating and improve engine reliability.
• Enhanced performance – Lowering engine temperature can reduce the negative effects of heat on engine performance, improving power and responsiveness.
• Increased durability – By minimizing damage caused by engine overheating, water pump cooling kits can extend engine life and reduce maintenance and repair costs.

Product Specifications:

• Brand: NICECNC
• Condition: 100% brand new
• Material: Billet 6061 aluminum
• Processing: CNC machined
• Surface: Anodized

Package Includes:
1x oversized water pump impeller cooler spacer kit

Fitment:
For Honda CRF 250 R RX RWE 2018-2025

Installation Instructions:
✅ 1. Clean contact surfaces: Before installing the gasket, thoroughly clean the contact surfaces of the water pump and engine case to ensure: • No oil, dust, or sealant residue. • Remove residues with a clean cloth or scraper and wipe the surface dry and residue-free with a degreaser.
🔹 Purpose: To prevent sealing defects and ensure sealant adhesion.

✅ 2. Apply PTV engine sealant evenly • Apply a thin, even layer of PTV engine sealant on both sides of the gasket. • Avoid excessive sealant application as it may cause: • Poor sealing • Sealant overflow, making later disassembly difficult.
🔹 Note: Use specification-compliant PTV sealant to ensure high temperature resistance, sealing protection, and lasting sealing performance.

✅ 3. Proper installation and tightening • Precisely align the gasket with the applied sealant between the water pump and engine. • Tighten the screws according to the manufacturer's torque specifications to ensure even compression.

⚠️ Caution: • Avoid overtightening as it may cause: • Damage to the gasket • Deformation of the contact surface, impairing the seal.

✅ 4. Curing time • Allow the sealant to cure undisturbed after assembly. • Follow the sealant instructions for curing time to ensure optimal sealing performance before starting the engine.

🔹 Tip: Avoid moving or disassembling parts during the curing process.

✅ 5. Safety precautions • Wear protective gloves during installation to avoid skin contact with the sealant. • Work in a well-ventilated area to avoid inhaling volatile fumes. • Use a special cleaner or alcohol to remove excess sealant and keep the contact surface clean.

Disclaimer:

Nicecnc parts are not sponsored, endorsed, or affiliated with the brands to which the parts fit, including KTM, Husqvarna, Honda, Yamaha, Kawasaki, Suzuki, Beta, GASGAS, Sherco, etc.