MSV Racing OptiFlo High-Flow Water Pump Impeller

Suzuki LT250R Quadracer 1987–1992

Help your legendary Suzuki Quadracer run cooler and maintain more consistent performance with the MSV Racing OptiFlo High-Flow Water Pump Impeller, designed specifically for the 1987–1992 Suzuki LT250R.

Precision-machined from high-strength 7075-T6 billet aluminum, the OptiFlo is engineered to improve coolant circulation compared with the original impeller. Its optimized blade design helps move coolant more efficiently through the engine and radiator, reducing heat soak during demanding riding conditions.

Product Highlights

• Fits 1987–1992 Suzuki LT250R Quadracer
• Engineered to increase coolant flow over the OEM impeller
• Helps improve cooling-system efficiency
• Helps reduce heat soak during extended riding
• Promotes more consistent operating temperatures
• Precision CNC-machined from 7075-T6 billet aluminum
• Optimized blade geometry helps reduce turbulence and aeration
• Includes a conical sealing washer and low-profile pan-head fastener
• Direct bolt-on installation
• Ideal for stock, modified and restored LT250R models
• Designed and developed by MSV Racing

Real-World Customer Feedback

“Fit my 1988 LT250R just perfect—definitely better water flow.”
— Joseph ★★★★★

Why Better Cooling Matters

Every horsepower your LT250R produces creates heat. During hard riding, engine temperatures can rise quickly—especially in dunes, tight trails, slow-speed conditions and modified high-performance applications.

Excessive heat can contribute to:

• Heat soak
• Reduced throttle response
• Less consistent power
• Increased stress on engine components
• Accelerated coolant-system wear
• Greater risk of overheating

The cooling system must transfer heat from the engine into the coolant and then release it through the radiator. Improving coolant circulation can help the system move that heat more effectively and maintain more stable operating temperatures.

Optimized for Increased Coolant Flow

The OptiFlo impeller was designed to improve coolant movement through the LT250R water-pump system.

Its optimized blade count, angle and profile help promote:

• Increased coolant circulation
• Smoother coolant entry and exit
• Reduced flow separation
• Less unnecessary turbulence
• More consistent cooling-system performance
• Improved heat transfer between the engine and radiator

The result is a more efficient cooling cycle that helps your LT250R maintain performance during demanding riding.

CNC-Machined 7075-T6 Billet Aluminum

Unlike the original cast impeller, the MSV Racing OptiFlo is precision-machined from premium 7075-T6 billet aluminum.

This material provides:

• Exceptional strength
• Excellent resistance to deformation
• Accurate blade geometry
• Consistent dimensional tolerances
• Long-lasting durability
• Reliable performance in high-temperature applications

Precision machining also allows MSV Racing to create a refined blade shape and smooth surface finish that would be difficult to achieve with a conventional cast component.

Designed to Reduce Turbulence and Aeration

Uncontrolled turbulence and air bubbles can interfere with efficient coolant movement.

The OptiFlo’s carefully developed blade geometry and smooth coolant path help reduce flow disruption as coolant enters and exits the impeller. This supports more stable circulation throughout the LT250R cooling system.

Advanced Fastener and Sealing Design

Every OptiFlo impeller incorporates:

• A conical sealing washer
• A low-profile pan-head fastener
• Precision-machined mounting surfaces

This arrangement creates a smoother coolant-entry area while providing secure retention and dependable long-term operation.

Direct Bolt-On Installation

The OptiFlo High-Flow Impeller is designed as a direct replacement for the original LT250R water-pump impeller.

Installation Features

• Uses the original mounting location
• No grinding or drilling required
• No permanent engine modifications
• Compatible with the factory-style water-pump system
• Installation hardware included where shown

Inspect the water-pump shaft, mechanical seal, bearings, gasket and surrounding components during installation. Worn cooling-system parts should be replaced before installing the new impeller.

Exact Suzuki LT250R Fitment

Fits:

• 1987 Suzuki LT250R Quadracer
• 1988 Suzuki LT250R Quadracer
• 1989 Suzuki LT250R Quadracer
• 1990 Suzuki LT250R Quadracer
• 1991 Suzuki LT250R Quadracer
• 1992 Suzuki LT250R Quadracer

Ideal for Stock and Modified Quadracers

The MSV Racing OptiFlo Impeller is an excellent cooling upgrade for:

• Stock LT250R engines
• Modified engines
• Big-bore builds
• Race-prepared machines
• Dune riding
• Trail riding
• Vintage ATV racing
• Restoration projects
• Riders replacing a worn original impeller

Keep Your LT250R Cooler and More Consistent

The Suzuki LT250R remains one of the most iconic high-performance sport ATVs ever built. Protecting it from excessive heat is one of the best ways to preserve both performance and reliability.

Upgrade your Quadracer with the MSV Racing OptiFlo High-Flow Water Pump Impeller and give its cooling system the efficient coolant circulation it deserves.

Upgrade today. Ride harder. Stay cooler.