








Oversized Water Pump Impeller Cooler Spacer Kit For Honda CRF 250R / RX 2018-2025
Water pump cooling kits are an effective method to reduce the engine temperature of off-road motorcycles, endurance racing or super motorcycles. These kits typically include larger aluminum impellers designed to increase the circulation of coolant, thus improving heat dissipation efficiency. By increasing the efficiency and circulation capacity of the water pump, these kits can effectively reduce the temperature of the engine during high temperature or high load operation, reducing overheating issues and improving engine performance and reliability.
Features:
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Improved heat dissipation efficiency - By increasing the circulation of coolant, the engine can dissipate heat faster, reducing temperature.
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Reduced risk of overheating - Especially in high temperature environments or under high loads, water pump cooling kits can effectively reduce the risk of engine overheating, improving engine reliability.
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Enhanced performance - Lowering the engine temperature can reduce the impact of heat on engine performance, increasing engine output and responsiveness.
- Increased durability - By reducing damage caused by engine overheating, water pump cooling kits can extend the engine's lifespan, reducing maintenance and repair costs.
Item Specifications:
- Brand: NICECNC
- Condition: 100% Brand new
- Material: Billet 6061 Aluminum
- Processing: CNC-machined
- Surface: Anodization
Package Included:
1x Oversized Water Pump Impeller Cooler Spacer Kit
Fitment:
For Honda CRF 250 R RX RWE 2018-2025
Installation Instructions:
✅ 1. Clean the Contact Surfaces Before installing the gasket, thoroughly clean the water pump contact surface and the engine housing to ensure: • No oil, dust, or old sealant residue remains. • Use a clean cloth or scraper to remove any debris, and wipe the surface with a degreaser to ensure it is dry and residue-free.
🔹 Purpose: To prevent poor sealing and ensure proper adhesion of the sealant.
✅ 2. Evenly Apply PTV Engine Sealant • Evenly apply a thin, uniform layer of PTV engine sealant to both sides of the gasket. • Avoid applying excessive sealant, as this may: • Cause poor sealing • Lead to sealant overflow, making future disassembly difficult
🔹 Note: Use specification-compliant PTV sealant to ensure high-temperature resistance, leak prevention, and long-lasting sealing performance.
✅ 3. Proper Installation and Tightening • Accurately align the gasket with sealant applied between the water pump and the engine. • Tighten the bolts according to the manufacturer's recommended torque specifications to ensure even compression.
⚠️ Caution: • Avoid over-tightening, as it may: • Damage the gasket • Deform the contact surface, compromising the seal.
✅ 4. Curing Time • After installation, allow the sealant to cure undisturbed. • Refer to the sealant’s instructions for curing time to ensure optimal sealing performance before starting the engine.
🔹 Tip: Avoid moving or disassembling the parts during the curing process.
✅ 5. Safety Tips • Wear protective gloves during installation to prevent sealant from contacting the skin. • Work in a well-ventilated area to avoid inhaling volatile gases. • When cleaning excess sealant, use a dedicated cleaner or alcohol to keep the contact surface clean.
Disclaimer:
Nicecnc parts are not sponsored or endorsed by, or affiliated with the brands its parts fit, including KTM, Husqvarna, Honda, Yamaha, Kawasaki, Suzuki, Beta, GASGAS, Sherco, etc.