Honda Parts

Honda — Engineering Precision, HRC Dominance & Legendary Build Quality

### Brand Heritage & Racing Legacy Established in 1948 by visionary engineer Soichiro Honda in Hamamatsu, Japan, Honda Motor Company has earned an unmatched reputation for precision engineering, metallurgical excellence, and dominance across global motorsport. Honda's iconic CRF motocross and off-road motorcycle lineup is the direct product of decades of factory championship testing by Honda Racing Corporation (HRC), the legendary racing arm that has powered superstars like Ricky Carmichael, Jeremy McGrath, and Jett and Hunter Lawrence to countless AMA Supercross and National Motocross championships.

The modern Honda CRF lineup—including the flagship CRF450R, CRF250R, and cross-country CRF450RX—is renowned for its ultra-responsive Unicam single-overhead-cam valvetrain, twin-spar aluminum chassis geometry, and hydraulic clutch actuation. Honda motorcycles are engineered to provide razor-sharp steering agility, immediate low-RPM throttle response, and ergonomic perfection that allows riders to move seamlessly across the cockpit.

• HRC Race ECU & Performance Camshaft Kits: Factory Honda Racing Corporation electronics and billet camshafts with selectable engine maps and launch control algorithms.
• AS3 Performance Aluminum Bash Plates & Braided Lines: Heavy-duty 4mm 5083 aluminum skid plates and zero-expansion stainless brake lines for CRF models.
• Galfer 270mm Tsunami Oversized Brake Kits: Laser-cut high-carbon wave rotors and CNC caliper brackets for maximum stopping power.
• Wiseco & Vertex High-Compression Pistons: Forged 2618 aerospace aluminum pistons engineered to maximize the power potential of Honda Unicam engines.
• Flo Motorsports Billet Radiator Braces & Footpegs: High-strength 7075-T6 aluminum protection and extra-wide platform pegs for CRF250R and CRF450R.
• Boyesen Supercooler Water Pump Assemblies: High-flow hydrodynamic water pump covers and impellers engineered to lower CRF engine operating temperatures.

### How HRC & Performance Components Elevate the Stock CRF Honda production bikes are calibrated to meet broad EPA sound and emissions guidelines, resulting in conservative ignition mapping and mild camshaft profiles: 1. Engine Tuning & Cam Profiles: The factory HRC Camshaft increases valve lift and duration, while the HRC ECU eliminates lean flat spots, providing explosive midrange torque and broad top-end over-rev. 2. Hydraulic Braking Feedback: Factory rubber brake lines on CRF models can feel spongy when heated during long motos. Installing AS3 Performance stainless steel braided lines provides an immediate, solid lever feel and fade-free stopping power. 3. Chassis & Engine Armor: Stock Honda plastic skid plates offer minimal defense against boulder impacts. Fitting an AS3 Performance 4mm aluminum bash plate protects the low-slung CRF engine cases and water pump from severe impact damage.

### The Unicam Valvetrain Advantage Honda's patented Unicam valvetrain architecture utilizes a single overhead camshaft directly actuating the intake valves while operating the exhaust valves through lightweight forked roller rocker arms. This configuration significantly reduces cylinder head weight and overall engine height, allowing the engine to be mounted lower and further forward in the aluminum frame for superior front-wheel steering bite.

• Unicam Valvetrain Maintenance: Inspect intake and exhaust valve clearances every 15 hours. The Unicam design uses direct-acting shims on intake valves and roller rocker arms with shims on exhaust valves.
• Engine & Transmission Oil: Maintain strict oil change intervals every 5-8 operating hours using high-grade synthetic motorcycle oil, replacing the oil filter every other oil change.
• Brake System Care: Flush hydraulic brake systems annually with fresh DOT 4 or DOT 5.1 fluid, ensuring thorough bleeding to prevent lever fade.
• Chassis Pivot Greasing: Disassemble and re-grease swingarm pivot bolts and linkage needle bearings every 20-30 hours using high-pressure waterproof lithium grease.

Frequently Asked Questions